Publications

Peiffer, S., Maisch, M., Kappler, A., Schmidt, C., Mansor, M., Obst, M., Frei, S. (2024) Kinetic constraints for the formation of microniches for microaerophilic Fe(II) oxidation. Geochimica Cosmochimica Acta 364, 211-223.

Shen, W.Z., He, J., Li, S., Zhuang. Y., Wang, H., Liu, H., Zhang, L., Kappler, A. (2024) Opportunity and shift of nitrogen use in China. Geography and Sustainability 5, 33-40.

Endriss, F., Kuptz, D., Wissmann, D., Hartmann, H., Dietz, E., Kappler, A., Thorwarth, H. (2024) Impacts on X-ray fluorescence measurements for rapid determination of the chemical composition of renewable solid biofuels. Renewable Energy 222, 119923.

Xiang, Y., Liu, J., Chen, Y., Zhang, J., Ren, L., Ye, B., Tan, W., Kappler, A., Hou, J. (2024) The change of coordination environments induced by vacancy defects in hematite leads to a contrasting difference between cation Pb(II) and oxyanion As(V) immobilization. Environmental Pollution 344, 123318.

Yang, L., Zhang, Y., Lu, L., Huang, F., Peng, J., Kappler, A., Li, S. (2024) Floating macrophyte phyllosphere as a habitat for methanogens. Environmental Chemistry Letters 22, 63-70.

Nikeleit, V., Roth, L., Maisch, M., Kappler, A., Bryce, C. (2024) Phototrophic Fe(II) oxidation benefits from light/dark cycles. Environmental Microbiology Reports; 16:e13239

Fang, X., Colina Blanco, A.E., Christl, I., Le Bars, M., Straub, D., Kleindienst, S., Planer-Friedrich, B., Zhao, F.J., Kappler, A., Kretzschmar, R. (2024) Simultaneously decreasing arsenic and cadmium in rice by soil sulfate and limestone amendment under intermittent flooding. Environmental Pollution 347, 123786.

Nikeleit, V., Maisch, M., Byrne, J.M., Harwood, C., Kappler, A., Bryce, C. (2024) Phototrophic Fe(II) oxidation by Rhodopseudomonas palustris TIE-1 in organic and Fe(II)-rich conditions. Environmental Microbiology 26:e16608.

As, K., Peiffer, S., Uhuegbue, P.O., Joshi, P., Kappler, A., Marouane, B., Hockmann, K. (2024) Sulfate affinity controls phosphate sorption and the proto-transformation of schwertmannite Chemical Geology 653, 122043.

Visser, A. N., Martin, J., Osenbrueck, K., Ruegner, H., Grathwohl, P., Kappler, A. (2024) In situ incubation of iron(II)-bearing minerals and Fe(0) reveals insights into metabolic flexibility of chemolithotrophic bacteria in a nitrate polluted karst aquifer. Science of the Total Environment 926, 172062.

Runge, E., Mansor, M., Chiu, T. H., Shuster, J., Fischer, S., Kappler, A., & Duda, J. P. (2024). Hydrothermal sulfidation of biogenic magnetite produces framboid-like pyrite. Communications Earth & Environment, 5(1), 252.

Pei, Y., Suarez‐Gonzalez, P., Duda, J.P. and Reitner, J., 2024. Organic matter influence on ooid formation: New insights into classic examples (Great Salt Lake, USA; Triassic Germanic Basin, Germany). Sedimentology.

Han, X., Wang, F., Zheng, S., Qiu, H., Liu, Y., Wang, J., Menguy, N., Leroy, E., Bourgon, J., Kappler, A., Liu, F., Pan, Y., Li, J. (2024) Morphological, microstructural and in situ chemical characteristics of siderite produced by iron-reducing bacteria. Environmental Science & Technology 58, 11016-11026.

Chauhan, A., Patzner, M.S., Bhattacharyya, A., Borch, T., Fischer, S., Obst, M., ThomasArrigo, L.K., Kretzschmar, R., Mansor, M., Bryce, C., Kappler, A., Joshi, P. (2024) Interactions between iron and carbon in permafrost thaw ponds. Science of the Total Environment 946, 174321

Voggenreiter, E., Schmitt-Kopplin, P., ThomasArrigo, L., Bryce, C., Kappler, A., Joshi, P. (2024) Preferential adsorption and coprecipitation of permafrost organic matter with poorly crystalline iron minerals. Environmental Science: Processes and Impacts. DOI: 10.1039/D4EM00241E.

Li, Y., Sutherland, B.R., Ilian, A.M., Schad, M., Robbins, L.J., Kappler, A., Yusta, I, Sanchez-Espana, J., Owttrim, G.W., Dreher, C.L., Smith, A.J.B., Alessi, D.S., Gringras, M.K., Konhauser, K.O. (2024) Cyanobacteria-ferrihydrite aggregates, BIF sedimentation and implications for Archaean-Palaeoproterozoic seawater geochemistry. South African Journal of Geology 127.2, 359-378.

Zhang, Y., Tong, M., Lu, Y., Zhao, F., Zhang, P., Wan, Z., Li, P., Yuan, S., Wang, Y., Kappler, A. (2024) Directional long-distance electron transfer from reduced to oxidized zones in the subsurface. Nature Communcations 15, 6576.

Grimm, H., Drabesch, S., Nico, A., Straub, D., Joshi, P., Zarfl, C., Planer-Friedrich, B., Muehe, E.M., Kappler, A. (2024) Arsenic immobilization and greenhouse gas emission depend on quantity and frequency of nitrogen fertilization in paddy soil. Heliyon 10, e35706.

Najem, T., Joshi, P., Kappler, A., Fortin, D. (2024) Effects of gamma( γ)-irradiation on the physicochemical properties and bioavailability of iron oxyhydroxides coprecipitated with varying concentrations of Na-alginate. Chemical Geology 662, 122235.

Runge, E.A., Mansor, M., Chiu, T.H., Shuster, J., Fischer, S., Kappler, A., Duda, J.P. (2024) Hydrothermal sulfidation of biogenic magnetite produces framboid-like pyrite. Nature Communications Earth & Environment 5, 252.

Joshi, P., ThomasArrigo, L., Sawwa, D., Sauter, L., Kappler, A. (2024) Complexation by particulate organic matter alters iron redox behavior. ACS Earth and Space Chemistry 8, 310-322.

Van Le, A., Muehe, E.M., Bone, S., Drabesch, S., Fischer, S., Kappler, A. (2024) Field and laboratory evidence for manganese redox cycling controlling iron and arsenic retention in household sand filters. Environmental Science & Technology Water 4, 33-43.

Voggenreiter, E., Schmitt-Kopplin, P., ThomasArrigo, L., Bryce, C., Kappler, A.,  Joshi, P. (2024) Preferential adsorption and coprecipitation of permafrost organic matter with poorly crystalline iron minerals. Environmental Science: Processes and Impacts, 26, 1322.
Liu, J., Duan, Y., Chen, H., Ye, B., Zhang, H., Tan, W., Kappler, A., Hou, J. (2024) Extent of As(III) versus As(V) adsorption on iron (oxyhydr) oxides depends on the presence of vacancy cluster-like micropore sites: Insights into a seesaw effect. Science of the Total Environment 954, 176376. 

Bayer, T., Jakus, N., Kappler, A., Byrne, J.M. (2024) Magnetite Nanoparticles are Metastable Biogeobatteries in Consecutive Redox Cycles Driven by Microbial Fe Oxidation and Reduction. Geo-Bio Interfaces 1, e3, 1-11.

Wu, Y.F., Huang, H., Zhang, J., Hu, g., Wang, J.J., Peng, C., Kappler, A., Zhao, F.J. (2024) Sulfate-mediated Fe(III) mineral reduction accelerates arsenic mobilization by a Desulfovibrio strain isolated from paddy soil. Science of the Total Environment 954, 176529.

Nikeleit, V., Mellage, A., Bianchini, G., Sauter, L., Buessecker, S., Gotterbarm, S., Schad, M., Konhauser, K., Zerkle, A.L., Sánchez-Baracaldo, P., Kappler, A., Bryce, C. (2021) Inhibition of photoferrotrophy by nitric oxide in ferruginous environments. Nature Geoscience. doi.org/10.1038/s41561-024-01560-9.

Jiang, O., Zhang, S.Y., Zhao, X.D., Liu, Z.T., Kappler, A., Xu, J., Tang, X. (2024) Arsenic reduces methane emissions from paddy soils: insights from continental investigation and laboratory incubations. Environmental Science & Technology 58, 17685-17694.

Valdez-Nuñez, L.F., Kappler, A., Ayala-Muñoz, D., Chávez, I.J., Mansor, M. (2024) Acidophilic sulfate-reducing bacteria: diversity, ecophysiology and applications. Environmental Microbiology Reports 16:e70019.

Shi, T., Peng, C., Lu, L., Yang, Z., Wang, Z., Kappler, A. (2024) The influence of Fe(III)-organic matter complexes on the bacterial community structure, Fe(III)-reducing kinetics, and Fe(III)-related functional genes in a lake sediment. Biogeochemistry https://doi.org/10.1007/s10533-024-01186-4.

Guo, Y.X., Yu, G.H., Hu, S., Liang, C., Kappler, A., Liu, C.Q., Jorgenson, M.T., Guo, L. (2024) Deciphering the intricate control of minerals on deep soil carbon stability and persistence in Alaskan permafrost. Global Change Biology 30: e17552.

Barczok, M., Smith, C., Kinsman-Costello, L., Patzner, M., Bryce, C., Kappler, A., Singer, D., Herndon, E. (2024) Iron transformation mediates phosphate retention across a permafrost thaw gradient. Nature Communications Earth & Environment 5: 635.

Drabesch, S., Lechtenfeld, O., Bibaj, E., Ninin, J.M.L., Pachecco, J.L., Fendorf, S., Planer-Friedrich, B., Kappler, A., Muehe, E.M. (2024). Climate induced microbiome alterations increase cadmium bioavailability in agricultural soils with pH below 7. Nature Communications Earth & Environment 5, 637.

Mahmoudi, N., Rico, K., Schad, M., Picard, P., Kappler, A., Konhauser, K.O. (2023). Resolving the fate of trace metals during microbial remineralization of phytoplankton biomass in precursor banded iron formation sediments. Eart Planetary Science Letters 607, 118068.

Dorau, K., Uteau, D., Maisch, M., Kappler, A., Peth, S., Mansfeldt, T. (2023). Redoxtrons – An experimental system to study redox processes within the capillary fringe. Europ. J. Soil Sci. 74, e13347.

Bronner, R., Thompson, K., Dreher, C., Runge, E., Voggenreiter, E., Shuster, J., Wan, B., Joshi, P., Fischer, S., Duda, J.P., Kappler, A., Mansor, M. (2023) Co-reduction of Fe(III) and S0 drives Fe-S biomineral formation and phosphate mobilization. Geochemical Perspectives Letters 24, 27-32.

Zheng, Q., Tu, S., Chen, Y., Zhang, H., Hartley, W., Ye, B., Ren, L., Xiong, J., Tan, W., Kappler, A., Hou, J. (2023) Micropore sites in ferrihydrite are responsible for its higher affinity towards As(III) relative to As(V). Geochimica Cosmochimica Acta 348, 27-40.

Wu, Y.F., Chen, J., Xie, W.Y., Peng, C., Tang, S.T., Rosen, B.P., Kappler, A., Zhang, J., Zhao, F.J., (2023) Anoxygenic phototrophic arsenite oxidation by a Rhodobacter strain. Environmental Microbiology, doi.org/10.1111/1462-2920.16380

Charlaftis, D., Jones, S.J., Grimm, L., Kappler, A. (2023) Interdependence between bacterial EPS and early grain coat development. Terra Nova, doi.org/10.1111/ter.12648.

Huang, J., Mellage, A., Pavon-Garcia, J., Gloeckler, D., Mahler, S., Elsner, M., Jakus, N., Mansor, M., Jiang, H., Kappler, A. (2023) Metabolic performance and fate of electrons during nitrate-reducing Fe(II) oxidation by the autotrophicenrichment culture KS grown at different initial Fe:N ratios. Applied and Environmental Microbiology 89, e00196-23.

Martens, J., Mueller, C.W., Joshi, P., Rosinger, C., Maisch, M., Kappler, A., Bonkowski, M., Schwamborn, G., Schirrmeister, L., Rethemeyer, J. (2023) Stabilization of mineral-associated organic carbon in Pleistocene permafrost. Nature Communications 14:2120.

Glodowska, M., Ma, Y., Smith, G., Kappler, A., Jetten, M., Welte, C. (2023) Nitrate leaching and its implication for Fe and As mobility in a Southeast Asian aquifer. FEMS Microbiology Ecology 99, doi: 10.1093/femsec/fiad025.

Yuan, Z.F., Zhou, Y.J., Chen, Z., Tang, X., Wang, Y., Kappler, A., Xu, J. (2023) Reduce methane emission from rice paddies by man-made aerenchymatous tissues. Carbon Research 2:17. doi 10.1007/s44246-023-00049-1.

Fiskal, A., Shuster, J., Fischer, S., Joshi, P., Reddy, L.R., Wulf, S.E., Kappler, A., Fischer, HJ., Herrig, I., Meier, J. (2023) Microbially influenced corrosion and rust tubercle formation on sheet piles in freshwater systems. Environmental Microbiology 25, 1796-1815. doi.org/10.1111/1462-2920.16393

Bai, Y., Sun, T., Mansor, M., Joshi, P., Zhuang, Y., Haderlein, S., Fischer, S., Konhauser, K.O., Alessi, D., Kappler, A. (2023) Networks of dissolved organic matter (DOM) and organo-mineral associations (OMAs) stimulate electron transfer over cm distances. Environmental Science & Technology Letters 10, 493-498.

Zhao, G., Tan, M., Wu, B., Zheng, X., Xiong, R., Chen, B., Kappler, A., Chu, C. (2023) Redox oscillations activate thermodynamically-stable iron minerals for enhanced reactive oxygen species production. Environmental Science & Technology 57, 8628-8637.

Domingos, J.M., Runge, E., Dreher, C., Chiu, T.H., Shuster, J., Fischer, S., Kappler, A., Duda, J.P., Xu, J., Mansor, M. (2023) Inferred pyrite growth via the particle attachment pathway in the presence of trace metals. Geochemical Perspectives Letters 26, 14-19.

Runge, E.A., Mansor, M., Shuster, J., Fischer, S., Kappler, A., Liu, Y., Lunter, D.J., Duda, J.P. (2023) Sulfidation of nano-magnetite to pyrite: implications for interpreting paleoenvironmental proxies and biosignature records in hydrothermal sulfide deposits. Earth & Planetary Science Letters 617, 118261.

Bayer, T., Tomaszewski, E.J., Bryce, C., Kappler, A., Byrne, J.M. (2023) Continuous cultivation of the lithoautotrophic nitrate-reducing Fe(II)-oxidizing culture KS in a chemostat bioreactor. Environmental Microbiology Reports 15, 324-334.

Xing, B., Graham, N.J.D., Zhao, B., Li, X., Tang, Y., Kappler, A., Dong, H., Winkler, M., Yu, W. (2023) Goethite Formed in the Periplasmic Space of Pseudomonas sp. JM-7 during Fe Cycling Enhances Its Denitrification in WaterBobo Xing. Environmental Science & Technology 57, 11096-11107.

Nie, S., Zhong, J., Kappler, A., Li, S. (2023) Redox controls on anaerobic ammonium oxidation coupled to reduction of natural organic matter in paddy ecosystems. Biology and Fertility of Soils. https://doi.org/10.1007/s00374-023-01760-2.

Yuan, Z.F., Zhou, Y., Chen, Z., Zhang, T., Kappler, A., Williamson, G., Tang, X., Xu, J. (2023) Sustainable immobilization of arsenic by man-made aerenchymatous tissues in paddy soil. Environmental Science & Technology 57, 12280-12290.

Liu, J., Xiang, Y., Chen, Y., Zhang, H., Ye, B., Ren, L., Tan, W., Kappler, A., Hou, J. (2023) Quantitative contribution of oxygen vacancy defects to arsenate immobilization on hematite. Environmental Science & Technology 57, 12453-12464.

Dong, H., Zeng, Q., Sheng, Y., Chen, C., Yu, G., Kappler, A. (2023) Coupled Redox Cycling of Iron Minerals and Transformation of Organic Matter Across Multiple Interfaces. Nature Reviews Earth and Environment. doi.org/10.1038/s43017-023-00470-5.

Endriss, F., Kuptz, D., Hartmann, H., Brauer, S., Kirchhof, R., Kappler, A., Thorwarth, H. (2023) Analytical methods for the rapid determination of solid biofuel quality. Chemie Ingenieur Technik 95, 1503-1525.

Yang, L., Zhang, Y., Lu, L., Huang, F., Peng, J., Kappler, A., Li, S. (2023) Floating macrophyte phyllosphere as a habitat for methanogens. Environmental Chemistry Letters. https://doi.org/10.1007/s10311-023-01653-8.

Kappler A., Thompson, A., Mansor, M. (2023) Impact of biogenic magnetite formation and transformation on biogeochemical cycles. Elements 19: 222-227, doi: 10.2138/gselements.19.4.222

Rohbohm, N., Sun, T., Blasco-Gómez, R., Byrne, J.M., Kappler, A., Angenent, L.T. (2023) Carbon oxidation with sacrificial anodes to inhibit O2 evolution in membrane-less bioelectrochemical systems for microbial electrosynthesis. EES Catalysis 1, 972-986. DOI: 10.1039/D3EY00141E.

Yang, L., Zhang, Y., Lu, L., Huang, F., Peng, J., Kappler, A., Li, S. (2023) Floating macrophyte phyllosphere as a habitat for methanogens. Environmental Chemistry Letters. https://doi.org/10.1007/s10311-023-01653-8.

Bayer, T., Wei, R., Kappler, A., Byrne, J. (2023) Cu(II) and Cd(II) removal efficiency of microbially redox-activated magnetite nanoparticles. ACS Earth and Space Chemistry 7, 1837-1847.

Philippot, L., Chenu, C., Kappler, A., Rillig, M., Fierer, N. (2023) The interplay between microbial communities and soil properties. Nat. Rev. Microbiol. 10.1038/s41579-023-00980-5.

Lu.L., Rughoeft, S., Straub, D., Joye, M., Kappler, A., Kleindienst, S. (2023) Rhamnolipid biosurfactants enhance microbial oil biodegradation in surface seawater from the North Sea. Environmental Science & Technology Water 3, 2255-2266.

Krupnik, L., Joshi, P., Kappler, A., Fluehmann, B., Alston, A.B., Digigow, R., Wick, P., Neels, A. (2023) Critical nanomaterial attributes of iron-carbohydrate nanoparticles: leveraging orthogonal methods to resolve the 3-dimensional structure. Europ. J. Pharmaceut. Sci. 188, 106521.

Konhauser, K.O., Kappler, A., Lalonde, S.V., Robbins, L.J. (2023) Trace elements in Iron Formation as a Window into iogeochemical evolution accompanying the oxygenation of Earth’s atmosphere. Geoscience Canada 50, 239-258.

Pei, Y., Blumenberg, M., Duda, J.P., Höche, N., Peckmann, J., Birgel, D., Luo, J., Kment, K. and Reitner, J., 2023. Ecosystem changes through the Permian–Triassic and Triassic–Jurassic critical intervals: Evidence from sedimentology, palaeontology and geochemistry. Sedimentology, 70(5), pp.1601-1629.

Chen, D., Liu, T., Chen, G., Kappler, A., Li, X., Zeng, R.J., Hu, S., Cao, F., Cheng, K., Li, F. (2023) Novel insight into microbially mediated nitrate-reducing Fe(II) oxidation by Acidovorax sp. strain BoFeN1 using dual N–O isotope fractionation. Environmental Science & Technology 457, 12546-12555.

Yuan, Z.F., Zhou, Y., Z., Zou, L., Chen, Z., Gustave, W., Duana, D., Kappler, A., Tang, X., Xu, J. (2023) pH dependence of arsenic speciation in paddy soils: The role of distinct methanotrophs. Environmental Pollution 318, 120880.

Perner, M., Wallmann, K., Adam-Beyer, N., Hepach, H., Laufer-Meiser, K., Boehnke, S., Diercks, I., Bange, H.W., Indenbirken, D., Nikeleit, V., Bryce, C., Kappler, A., Engel, A., Scholz, F. (2023) Environmental changes affect the microbial release of hydrogen sulfide and methane from sediments at Boknis Eck (SW Baltic Sea). Frontiers in Microbiology 13:1096062.

Runge, E.A., Mansor, M., Kappler, A., Duda, J.P. (2022) Microbial biosignatures in ancient deep-sea hydrothermal sulfides. Geobiology, doi.org/10.1111/gbi.12539.

Lueder, U., Jørgensen, B.B., Maisch, M., Schmidt, C., Kappler, A. (2022) Influence of light quality, photon flux and presence of oxygen on photoreduction of Fe(III)-organic complexes. Science of the Total Environment 814, 152767.

Lueder, U., Maisch, M., Jorgensen, B.B., Druschel, G., Schmidt, C., Kappler, A. (2022) Growth of microaerophilic Fe(II)-oxidizing bacteria using Fe(II) produced by Fe(III) photoreduction. Geobiology, doi.org/10.1111/gbi.12485.

Mayer, E., Endriss, F., Baumgarten, B., Kirchhof, R., Tejeda, J., Kappler, A., Thorwarth, H. (2022) Utilization and recycling of wood ashes from industrial heat and power plants regarding fertilizer use. Waste Management 141, 92-103.

Dopffel, N., Jamieson, J., Bryce, C., Joshi, P., Mansor, M., Siade, A., Prommer, H., Kappler, A. (2022) Temperature dependence of nitrate-reducing Fe(II) oxidation by Acidovorax strain BoFeN1 - evaluating the role of enzymatic vs. abiotic Fe(II) oxdiation by nitrite. FEMS Microbiology Ecology, doi.org/10.1093/femsec/fiab155/.

Chi, Z., Yu, G., Kappler, A., Liu, C.Q., Gadd, G. (2022) Fungal-Mineral Interactions Modulating Intrinsic Peroxidase-like Activity of Iron Nanoparticles: Implications for the Biogeochemical Cycles of Nutrient Elements and Attenuation of Contaminants. Environmental Science and Technology 56, 672-680.

Yan, Y., Wan, B., Mansor, M., Wang, X., Zhang, Q., Kappler, A., Feng, X. (2022) Co-sorption of metal ions and inorganic anions/ organic ligands on environmental minerals: A review. Science of the Total Environment 803, 149918.

Runge, E.A., Duda, J.-P., Van Kranendonk, M.J., Reitner, J. (2022) Earth's oldest tsunami deposit? Early Archaean high-energy sediments in the ca 3.48 Ga Dresser Formation (Pilbara, Western Australia). The Depositional Record 8, 590-602. doi.org/10.10027dep2.175

Joss, H., Patzner, M., Maisch, M., Mueller, C., Kappler, A., Bryce, C. (2022) Cryoturbation impacts iron-organic carbon associations along a permafrost soil chronosequence in northern Alaska. Geoderma 413, 115738.

Mansor, M., Alarcon, H., Xu, Jie, Ranville, J.F., Montano, D. (2022) Simultaneous Insight into Dissolution and Aggregation of Metal Sulfide Nanoparticles through Single-Particle Inductively Coupled Plasma Mass Spectrometrey. ACS Earth and Space Chemistry, doi.org/10.1021/acsearthspacechem.1c00368

Abramov, S., Straub, D., Tejeda, J., Grimm, L., Schaedler, F., Bulaev, A., Thorwarth, H., Amils, R., Kappler, A., Kleindienst, S. (2022) Biogeochemical Niches of Fe-cycling Communities Influencing Heavy Metal transport Along the Rio Tinto, Spain. Applied and Environmental Microbiology 88, e02290-21.

Li, S., Kappler, A., Haderlein, S.B., Zhu, Y.G. (2022) Powering biological nitrogen removal from the environment by geobatteries. Trends in Biotechnology 40, 377-380.

Huang, Y.M., Jakus, N., Straub, D., Konstantinidis, K.T., Blackwell, N., Kappler, A., Kleindienst, S. (2022) 'Candidatus Ferrigenium straubiae' sp. nov., 'Candidatus bremense' sp. nov., 'Candidatus Ferrigenium altingense' sp. nov., are autotrophic Fe(II)-oxidizing bacteria of the familiy Gallionellaceae. Systematic and Applied Microbiology 45, 126306.

Patzner, M., Logan, M., McKenna, A., Young, R., Zhou, Z., Joss, H., Mueller, C., Hoeschen, C., Scholten, T., Straub, D., Kleindienst, S., Borch, T., Kappler, A., Bryce, C. (2022) Microbial iron(III) reduction during palsa collapse promotes greenhouse gas emissions before complete permafrost thaw. Nature Communications Earth & Environment 3, 76.

Patzner, M.S., Kainz, N., Lundin, E., Barczok, M., Smith, C., Herndon, E., Kinsman-Costello, L., Fischer, S., Straub, D., Kleindienst, S., Kappler, A., Bryce, C. (2022) Seasonal fluctuations in iron cycling in thawing permafrost peatlands. Environmental Science and Technology 56, 4620-4631.

Zeng, L., Wan, B., Wang, Q., Yan, Y., Tang, Y., Feng, X. (2022) Simultaneous oxidation of Mn(II) and As(III) on cupric oxide (CuO) promotes As(III) removal at circumneutral pH. Journal of Environmental Sciences 125, 691-700.

Huang, J., Han, M., Yang, J., Kappler, A., Jiang, H. (2022) Salinity impact on composition and activity of nitrate-reducing Fe(II)-oxidizing (NRFeOx) microorganisms in saline lakes. Applied and Environmental Microbiology 88, doi.org/10.1128/aem.00132-22.

Wan, D., Liu, F.F., Chen, J.B., Kappler, A., Kuzyakov, Y., Liu, C.Q., Yu, G.H. (2022) Microbial community mediates hydroxyl radical production in soil slurries by iron redox transformation. Water Research 220, 118689.

Thomas Arrigo, L.K., Notini, L., Shuster, J., Nydegger, T., Vontobel, S., Fischer, S., Kappler, A., Kretzschmar, R. (2022) Mineral characterization and composition of Fe-rich flocs from wetlands of Iceland: Implications for Fe, C and trace element export. Science of the Total Environment 816, 151567.

Zhang, Y.F., Lu, L., Huang, F.Y., Zhang, Y., Li, X.M., Yang, L.H., Usman, M., Kappler, A., Li, S. (2022) Hydrological perturbations facilitated phyllosphere denitrification of an urban greening tree. ACS Earth and Space Chemistry 6, 1460-1467.

van Le, A., Straub, D., Planer-Friedrich, B., Hug, S., Kleindienst, S., Kappler, A. (2022) Microbial communities contribute to the elimination of As, Fe, Mn, and NH₄⁺ from groundwater in household sand filters. Science of the Total Environment 838, 156496.

Byrne, J.M., Kappler, A. (2022) A revised analysis of ferrihydrite at liquid helium temperature using Mössbauer spectroscopy. American Mineralogist 107, 1643-1651.

Schad, M., Byrne, J.M., ThomasArrigo, L., Kretzschmar, R., Konhauser, K.O., Kappler, A. (2022) Microbial Fe cycling in a simulated Precambrian ocean environment: Implications for secondary mineral (trans)formation and deposition during BIF genesis. Geochimica et Cosmochimica Acta 331, 165-191.

Kleinteich, J., Hanselmann, K., Hildebrand, F., Kappler, A., Zarfl, C. (2022) Glacier melt-down changes habitat characteristics and unique microbial community composition and physiology in Alpine lakes sediments. FEMS Microbiology Ecology 98, 1-11.

Han, X., He, Y., Li, J., Kappler, A., Pan, Y. (2022) Fe isotope fractionation during Fe(II) oxidation by the anoxygenic phototrophic Fe(II)-oxidizer Rhodobacter ferrooxidans SW2. Geochimica Cosmochimica Acta 332, 355-368.

Shi, L.D., Zhou, Y.J., Tang, X.J., Kappler, A., Chistoserdova, L., Zhu, L.Z., Zhao, H.P. (2022) Coupled Aerobic Methane Oxidation and Arsenate Reduction Contributes to Soil-Arsenic Mobilization in Agricultural Fields. Environmental Science and Technology 56, 11845-11856.

Zhao, G., Wu, B., Zheng, X., Chen, B., Kappler, A., Chu, C. (2022) Tide-triggered production of reactive oxygen species in coastal soils. Environmental Science and Technology 56, 11888-11896.

Visser, A.N., Wankel, S.D., Frey, C., Kappler, A., Lehmann, M.F. (2022) Unchanged nitrate and nitrite isotope fractionation during heterotrophic and Fe(II)-mixotrophic denitrification suggest a nonenzymatic link between denitrification and Fe(II) oxidation. Frontiers in Microbiology, 13:927475. doi: 10.3389/fmicb.2022.927475.

Abramov, S.M., He, J., Wimmer, D., Muehe, E.M., Helle, T., Thorwarth, H., Kappler, A. (2022) Thiourea leaching of gold from processed minicipal solid waste incineration residues. Journal of Material Cycles and Waste Management. doi:10.1007/s10163-022-01476-9.

Hampl., F.J., Schiperski, F., Byrne, J.M., Schwerdhelm, C., Kappler. A., Bryce, C., von Blanckenburg, F., Neumann, T. (2022) The role of iron-bearing minerals for the deep weathering of a hydrothermally altered plutonic rock in semi-arid climate (Chilean Coastal Cordillera). Chemical Geology 604, 120922.

Valenzuela, E.I., Bryce, C., Forberg, J., Planer-Friedrich, B., Kappler, A., Cervantes, F.J. (2022) Unraveling the role of sulfide-natural organic matter interplay on methane recycling in anoxic environments. Biogeochemistry. doi:10.1007/s10533-022-00977-x.

Kessler, A., Merseburger, S., Kappler, A., Wilcke, W., Oelmann, Y. (2022) Incorporation of ambient water-H into C-bonded H pool of bacteria during substrate-specific metabolism. ACS Earth and Space Chemistry 6, 9, 2180-2189.

Yang, Z., Sun. T., Kappler, A., Jiang, J. (2022) Biochar facilitates ferrihydrite reduction by Shewanella oneidensis MR-1 through stimulating the secretion of extracellular polymeric substances. Science of the Total Environment 848, 157560.

Li, S., Kappler, A., Haderlein, S.B., Zhu, Y.G. (2022) Powering biological nitrogen removal from the environment by geobatteries. Trends in Biotechnology 40, 377-380.

Van Le, A., Muehe, M.E., Drabesch, S., Pacheco, L.J., Bayer, T., Joshi, P., Kappler, A., Mansor, M. (2022) Environmental risk of arsenic mobilization from disposed sand filter materials. Environmental Science & Technology 56, 16822-16830.

Schmidt, C., Nikeleit, V., Schaedler, F., Leider, A., Lueder, U., Bryce, C., Hallmann, C., Kappler, A., (2021) Metabolic responses of a phototrophic co-culture enriched from a freshwater sediment on changing substrate availability and its relevance for biogeochemical iron cycling. Geomicrobiology Journal 38, 267-281.

Laufer-Meiser, K., Michaud, A., Maisch, M., Byrne, J.M., Kappler, A., Patterson, M., Røy, H., Jørgensen, B.B. (2021) Potentially bioavailable iron produced through benthic cycling in glaciated Arctic fjords of Svalbard. Nature Communciations 12: 1349.

Kappler, A., Bryce, C., Mansor, M., Lueder, U., Byrne, J.M., Swanner, E. (2021) An evolving view on biogeochemical cycling of iron. Nature Reviews Microbiology. https://doi.org/10.1038/s41579-020-00502-7.

Kontny, A., Schneider, M., Eiche, E., Stopelli, E., Glodowska, M., Rathi, B., Goettlicher, J., Byrne, J.M., Kappler, A., Berg, M., Thi, D.V., Trang, P.T.K., Viet, P.H., AdvectAs team members, Neumann, T. (2021) Iron mineral transformations and their impact on As (im)mobilization at redox interfaces in As-contaminated aquifers. Geochimica Cosmochimica Acta 296, 189-209.

S. Becker, A. M. L. Enright, A. Kappler (2021) Living on Iron. In "Metals, Microbes, and Minerals: The Biogeochemical Side of Life", Eds P. M. H. Kroneck, E. L. Sosa Torres, in Vol. 21 of Metal Ions in Life Sciences, Series Eds A. Sigel, E. Freisinger, R. K. O. Sigel, Walter de Gruyter, GmbH, Berlin, Germany.

Glodowska, M., Schneider, M., Eiche, E., Kontny, A., Neumann, T., Straub, D., Kleindienst, S., Kappler, A. (2021) Microbial transformation of biogenic and abiogenic of Fe minerals followed by in-situ incubations in an As-contaminated vs. non-contaminated aquifer. Environmental Pollution 281, 117012.

Sorwat, J., Mellage, A., Maisch, M., Kappler, A., Cirpka, O., Byrne, J.M. (2021) Chromium (VI) removal kinetics by magnetite coated sand: Small-scale flow-through column experiments. Journal of Hazardous Materials 415, 125648.

Visser, A.N., Lehmann, M.F., Ruegner, H., D'Affonseca, F.M., Grathwohl, P., Blackwell, N., Kappler, A., Osenbrueck, K. (2021) Fate of nitrate during groundwater recharge in a fractured karst aquifer. Hydrogerology Journal 20, 1153-1171

Glodowska, M., Schneider, M., Eiche, E., Kontny, A., Neumann, T., Straub, D., Berg, M., Bostick, B.C., Nghiem, A.A., Kleindienst, S., Kappler, A. (2021) Fermentation, methanotrophy and methanogenesis influence sedimentary Fe and As dynamics in As-affected aquifers in Vietnam. Science of the Total Environment 779, 146501.

Glodowska, M., Stopelli, E., Straub, D., Thi, D.V., Trang, P.T.K., Viet, P.H., AdvectAs team members, Berg, M., Kappler, A., Kleindienst, S. (2021) Arsenic behavior in groundwater in Hanoi (Vietnam) influenced by a complex biogeochemical network of iron, methane, and sulfur cycling. Journal of Hazardous Materials 407, 124398.

Pfeiffer, S., Kappler, A., Haderlein, S.B., Schmidt, C., Byrne, J.M., Kleindienst, S., Vogt C., Richnow, H.H., Obst, M., Angenent, L., Bryce, C., McCammon, C., Planer-Friedrich, B. (2021) A biogeochemical-hydrological framework for the role of redox active compounds in aquatic systems. Nature Geoscience. doi: 10.1038/s41561-021-00742-z.

Yan, R., Kappler, A., Horn, M.A., Peiffer, S. (2021) Towards a standardized protocol for studying chemolithoautotrophic denitrification with pyrite at circumneutral pH. Applied Geochemisty 130, 104995.

Mansor, M., Drabesch, S., Bayer, T., van Le, A., Chauhan, A., Schmidtmann, J., Pfeiffer, S., Kappler, A. (2021) Application of Single particle ICP-MS to determine mass distribution and number concentrations of environmental nanoparticles and colloids in environmental samples. Environmental Science and Technology Letters 8, 589-595. doi: 10.1021/acs.estlett.1c00314

Stopelli, E., Duyen, V.T., Prommer, H., Glodowska, M., Kappler, A., Schneider, M., Eiche, E., Lightfoot, A.K., AdvectAs team members, Schubert, C.J., Trang, P.K.T., Viet, P.H., Kipfer, R., Winkel, L.H.E., Berg, M. (2021) Carbon and methane cycling in arsenic-contaminated aquifers. Water Research 200, 117300.

Huang, J., Jones, A., Waite, T.D., Chen, Y., Huang, X., Rosso, K., Kappler, A., Mansor, M., Tratynek, P.G., Zhang, H. (2021) Fe(II) Redox Chemistry in the Environment. Chemical Reviews 121, 8161-8233. doi: 10.1021/acs.chemrev.0c01286

Han, X., Tomaszewski, E.J., Schoenberg, R., Konhauser, K.O., Amor, M., Pan, Y., Warter, V., Kappler, A., Byrne, J.M. (2021) Using Zn and Ni behavior during magnetite precipitation in banded iron formation to determine its biological or abiotic origin. Earth and Planetary Sciences 568, 117052.

Huang, Y.M., Straub, D., Kappler, A., Smith, N., Blackwell, N., Kleindienst, S. (2021) A novel enrichment culture highlights core features of microbial networks contributing to autotrophic nitrate reduction coupled to Fe(II) oxidation. Microbial Physiology, 10.1159/000517083.

Jakus, N., Mellage, A., Hoeschen, C., Maisch, M., Byrne, J.M., Mueller, C.W., Grathwohl, P., Kappler, A. (2021) Anaerobic neutrophilic pyrite oxidation by a chemolithoautotrophic nitrate-reducing iron(II)-oxidizing culture enriched from a fractured-aquifer. Environmental Science and Technology 55, 9876-9884.

Fritzsche, A., Bosch, J., Sander, M., Schroeder, C., Byrne, J.M., Ritschel, T., Joshi, P., Maisch, M., Meckenstock, R.U., Kappler, A., Totsche, K.U. (2021) Organic matter from redoximorphic soils accelerates and sustains microbial Fe(III) reduction. Environmental Science and Technology 55, 10821-10831.

Koester, M., Kars, M., Schubotz, F., Tsang, M.Y., Maisch, M., Kappler, A., Morono, Y., Inagaki, F., Heuer, V.B., Kasten, S., Henkel, S. (2021) Evolution of (Bio-)geochemical Processes and Diagenetic Alteration of Sediments Along the Tectonic Migration of Ocean Floor in the Shikoku Basin off Japan. Geochemistry, Geophysics, Geosystems 2020GC009585.

Schad, M., Halama, M., Robbins, L.J., Warchola, T.J., Tejada, J., Kirchhof, R., Lalonde, S.V., Swanner, E.D., Planavsky, N.J., Thorwarth, H., Mansor, M., Konhauser, K.O., Kappler, A. (2021) Phosphate Remobilization from Banded Iron Formations during metamorphic Mineral Transformations. Chemical Geology 584, 120489.

Cordova-Gonzalez, A., Birgel, D., Kappler, A., Peckmann, J. (2021) Variation of salinity and nitrogen concentration affects the pentacyclic triterpenoid inventory of the haloalkaliphilic aerobic methanotrophic bacterium Methylotuvimicrobium alcaliphilum. Extremophiles 25, 285-299.

Jakus, N., Blackwell, N., Osenbrueck, K., Straub, D., Byrne, J.M., Wang, Z., Gloeckler, D., Elsner, M., Lueders, T., Grathwohl, P., Kleindienst, S., Kappler, A. (2021) Nitrate removal by a novel autotrophic nitrate-reducing iron(II)-oxidizing culture enriched from a pyrite-rich limestone aquifer. Applied and Environmental Microbiology 87:e00460-21.

Huang, Y.M., Straub, D., Blackwell, N., Kappler, A., Kleindienst, S. (2021) Meta-omics reveal Gallionellaceae and Rhodanobacter as interdependent key players for Fe(II) oxidation and nitrate reduction in the autotrophic enrichment culture KS. Applied and Environmental Microbiology, in press.

Yan, Y., Wan, B., Mansor, M., Wang, X., Zhang, Q., Kappler, A., & Feng, X. (2021) Co-sorption of metal ions and inorganic anions/organic ligands on environmental materials: A review. Science of The Total Environment, 149918.

Pienkowska, A., Glodowska, M., Mansor, M., Buchner, D., Straub, D., Kleindienst, S., Kappler, A. (2021) Isotopic labeling reveals microbial methane oxidation coupled to Fe(III) mineral reduction in As-contaminated aquifer sediments. Environmental Science and Technology Letters 8, 832-837.

Yang, Z., Sun, T., Kleindienst, S., Straub, D., Kretzschmar, R., Angenent, L.T., Kappler, A. (2021) A Coupled Function of Biochar as Geobattery and Geoconductor Leads to Stimulation of Microbial Fe(III) Reduction and Methanogenesis in a Paddy Soil Enrichment Culture. Soil Biology and Biochemistry 163, 108446.

Dopffel, N., Jamieson, J., Bryce, C., Joshi, P., Mansor, M., Siade, A., Prommer, H., Kappler, A. (2021) Temperature dependence of nitrate-reducing Fe(II) oxidation by Acidovorax strain BoFeN1 - evaluating the role of enzymatic vs. abiotic Fe(II) oxidation by nitrite. FEMS Microbiology Ecology, 97, fiab155.

Dreher, C.L., Schad, M., Robbins, L.J., Konhauser, K.O., Kappler, A., Joshi, P. (2021) Microbial processes during deposition and diagenesis of Banded Iron Formations. Paläontologische Zeitschrift 95, 593-610.

Jakus, N., Blackwell, N., Straub, D., Kappler, A., Kleindienst, S. (2021) Presence of Fe(II) and nitrate shapes aquifer-originating communities leading to an autotrophic enrichment dominated by a Fe(II)-oxidizing Gallionellaceae sp.. FEMS Microbiology Ecology, doi.org/10.1093/femsec/fiab145.

Yu, G., Kuzyakov, Y., Luo, Y., Goodman, B., Kappler, A., Liu, F. F., Sun, F. (2021) Molybdenum Bioavailability and Asymbiotic Nitrogen Fixation are Raised by Iron (Oxyhydr)oxide Mediated Free Radical Production. Environmental Science and Technology 55, 14979-14989.

Spona-Friedl, M., Braun, A., Huber, C., Eisenreich, W., Griebler, C., Kappler, A., Elsner, M. (2020) Substrate-dependent CO₂-fixation in heterotrophic bacteria revealed by stable isotope labelling. FEMS Microbiology Ecology 96, fiaa080.

Joss, H., Muehe, E.M., Kappler, A. (2020) Arsen in Grundwasser und Reis – Ursachen und Konsequenzen. Biospektrum 26, 676-678.

Alam, S., Bishop, B., Chen, N., Safari, S., Warter, V., Byrne, J.M., Warchola, T., Kappler, A., Konhauser, K.O., Alessi, Daniel (2020) Reusable magnetite nanoparticle – biochar composites for the efficient removal of chromate from water. Scientific Reports 10: 19007.

Stopelli, E., Vu Thi, D., Tran Thi, M., Pham Thi, T., Viet Pham Hung, V., Lightfoot, A., Kipfer, R., Schneider, M., Eiche, E., Kontny, A., Neumann, T., Glodowska, M., Patzner, M., Kappler, A., Kleindienst, S., Rathi, B., Cirpka, O., Bostick, B., Prommer, H., Winkel, L., Berg, M. (2020) Spatial and temporal evolution of groundwater arsenic contamination in the Red River delta, Vietnam: interplay of mobilisation and retardation processes. Science of the Total Environment 717, 137143.

Peng, P., Lu, Y., Bosma, T., Nijenhuis, Y., Nijsse, B., Shetty, S., Ruecker, A., Umanetc, A., Ramiro-Garcia, J., Kappler, A., Sipkema, D., Smidt, H., Atashgahi, S. (2020) Metagenomic- and cultivation-based exploration of anaerobic chloroform biotransformation in hypersaline sediments as natural source of chloromethanes. Microorganisms 8(5):665.

Patzner, M.S., Mueller, C.W., Malusova, M., Nikeleit, V., Scholten, T., Hoeschen, C., Byrne, J.M., Kappler, A., Bryce, C. (2020) Iron mineral dissolution during permafrost thaw releases associated organic carbon. Nature Communciations 11, 6329. 

Shi, L.D., Guo, T., Pan-Long Lv, T.G., Niu, Z.F., Zhou, Y.J., Tang, X.J., Zheng, P., Zhu, L., Zhu, Y.G., Kappler, A., Zhao, H.P. (2020) Coupled anaerobic methane oxidation and reductive arsenic mobilization in wetland soils. Nature Geoscience. DOI: 10.1038/s41561-020-00659-z.

Glodowska, M., Stopelli, E., Schneider, M., Rathi, B., Straub, D., Lightfoot, A., Kipfer, R., Berg, M., AdvectAs team members, Jetten, M., Kleindienst, S., Kappler, A. (2020) Arsenic mobilization in groundwater driven by microbial iron-dependent anaerobic oxidation of methane. Nature Communciations Earth & Environment 1, 42.

Tomaszewski, E.J., Olson, L., Obst, M., Byrne, J.M., Kappler, A., Muehe, E.M. (2020) Complexation by cysteine and iron mineral adsorption limit cadmium mobility during metabolic activity of Geobacter sulfurreducens. Environmental Science: Processes & Impacts 22, 1877-1887.

Visser, A.N., Wankel, S.D., Niklaus, P.A., Byrne, J.M., Kappler, A., Lehmann, M.F. (2020) Impact of reactive surfaces on the abiotic reaction between nitrite and ferrous iron and associated nitrogen and oxygen isotope dynamics. Biogeosciences 17, 4355-4374.

Bai, Y., Sun, T., Angenent, L.T., Haderlein, S.B., Kappler, A. (2020) Electron hopping enables rapid electron transfer between quinone-/hydroquinone-containing organic molecules in microbial iron(III) mineral reduction. Environmental Science and Technology54, 10646-10653.

Bauer, K.W., Byrne, J.M., Kenward, P., Simister, R.L., Michiels, C.C., Friese, A. Vuillemin, A., Henny, C., Nomosatryo, S., Kallmeyer, J., Kappler, A., Smit, M.A., Francois, R., Crowe, S.A. (2020) Magnetite biomineralization in ferruginous waters and early Earth evolution. Earth and Planetary Science Letters 549, 116495.

Blackwell, N., Bryce, C., Straub, D. Kappler, A., Kleindienst, S. (2019) Genomic insights into two novel Zetaproteobacteria Fe(II)-oxidizing isolates reveal lifestyle adaption to coastal marine sediments. Applied and Environmental Microbiology 86:e01160-20.

Pascual de Vega, B., Sanchez-Monedero, M.A., Cayuela, M.L., Shun, L., Haderlein, S.B., Ruser, R., Kappler, A. (2020) Biochar as electron donor for reduction of N₂O by Paracoccus denitrificans. FEMS Microbiology Ecology 96, fiaa133.

Yu, G.H., Chi, Z.L., Kappler, A., Sun, F.S., Liu, C.Q., Teng, H., Gadd, G.M. (2020) Fungal Nanophase Particles Catalyze Iron Transformation for Oxidative Stress Removal and Iron Acquisition. Current Biology 30, 2943-2950.

Zhou, Z., Muehe, E.M., Tomaszewski, E., Lezama Pacheco, J., Kappler, A., Byrne, J.M. (2020) Effect of Natural Organic Matter on the Fate of Cadmium During Microbial Ferrihydrite Reduction. Environmental Science and Technology 54, 9445-9452.

Li, S., Kappler, A., Zhu, Y.G., Haderlein, S.B. (2020) Mediated electrochemical analysis as emerging tool to unravel links between microbial redox cycling of natural organic matter and anoxic nitrogen cycling. Earth Science Reviews 208, 103281.

Wang, H.Y., Byrne, J.M., Benning, L.G., Thomas, A.N., Goettlicher, J., Hoefer, H.E., Mayanna, A., Perez, J.P., Kontny, A., Kappler, A., Guo, H.M., Norra, S. (2020) Arsenic sequestration in pyrite and greigite in the buried peat of As-contaminated aquifers. Geochimica Cosmochimica Acta 284, 107-119.

Van Groeningen, N., ThomasArrigo, L.K., Byrne, J.M., Kappler, A., Christl, I., Kretzschmar, R. (2020) Interactions of ferrous iron with clay mineral surfaces during sorption and subsequent oxidation. Environmental Science: Processes & Impacts 22, 1355-1367.

Sorwat, J., Mellage, A., Kappler, A., Byrne, J.M. (2020) Immobilizing magnetite onto quartz sand for chromium remediation. Journal of Hazardous Materials 400, 123139.

Maisch, M., Lueder, U., Kappler, A., Schmidt, C. (2020) From plant to paddy – how rice root iron plaque can affect the paddy field iron cycling. Soil Systems 4, 28.

Loreggian, L., Sorwat, J., Byrne, J.M., Kappler, A., Bernier-Latmani, R. (2020) Role of Iron Sulfide Phases in the Stability of Noncrystalline Tetravalent Uranium in Sediments. Environmental Science and Technology 54, 4840−4846

Wang, M., Hu, R., Ruser, R., Schmidt, C., Kappler, A. (2020) The Role of Chemodenitrification for N2O Emissions from Nitrate Reduction in Rice Paddy Soils. ACS Earth Space Chem. 4, 122-132.

Glodowska, M., Stopelli, E., Schneider, M., Lightfoot, A., Rathi, B., Straub, D., Patzner, M., Duyen, V.T., Berg, M., Kleindienst, S., Kappler, A. (2020) Role of in-situ natural organic matter in mobilizing As during microbial reduction of FeIII-mineral-bearing aquifer sediments from Hanoi (Vietnam). Environmental Science and Technology 54, 4149-4159.

Bai, Y., Mellage, A., Cirpka, O.A., Sun, T., Angenent, L., Haderlein, S.B., Kappler, A. (2020) AQDS and redox-active NOM enables microbial Fe(III)-mineral reduction at cm-scales. Environmental Science and Technology 54, 4131-4139.

Han, X., Tomaszewski, E., Sorwat, J., Pan, Y., Kappler, A., Byrne, J.M. (2020) Effect of Microbial Biomass and Humic Acids on Abiotic and Biotic Magnetite Formation. Environmental Science and Technology 54, 4121-4130.

Lueder, U., Maisch, M., Laufer, K., Jørgensen, B.B., Kappler, A., Schmidt, C. (2020) Influence of physical perturbation on Fe(II) supply in coastal marine sediments. Environmental Science and Technology 54, 3209-3218.

Lueder, U., Jorgensen, B.B., Kappler, A., Schmidt, C. (2020) Photochemistry of iron in aquatic environments. Environmental Science: Processes & Impacts 22, 12-24.

Abramov, S., Tejada, J., Grimm, L., Schaedler, F., Bulaev, A.G., Tomaszewski, E., Byrne, J., Straub, D., Thorwarth, H., Amils, R., Kleindienst, S., Kappler, A. (2020) Role of biogenic Fe(III) minerals as a sink and carrier of heavy metals in the Rio Tinto river, Spain. Science of the Total Environment 718, 137294.

Bai, Y., Subdiaga, E., Haderlein, S.B., Knicker, H., Kappler, A. (2020) High pH and anoxic conditions during soil organic matter extraction increases its electron exchange capacity and ability to stimulate microbial Fe(III) reduction by electron shuttling. Biogeosciences 17, 683-698.

Han, X., Tomaszewski, E.J., Sorwat, J., Pan, Y., Kappler, A., Byrne, J.M. (2020) Oxidation of green rust by anoxygenic phototrophic Fe(II)-oxidizing bacteria. Geochemical Perspectives Letters12, 52-57.

Tejada, J., Wiedenmann, J., Gall, B., Kaiser, B., Greißl, O., Unterberger, S., Thorwarth, H., Kappler, A. (2020) Trace element behavior in wood-fueled heat and power stations in terms of an urban mining perspective. Fuel 267, 116887.

Cordova-Gonzalez, A., Birgel, D., Kappler, A., Peckmann, J. (2020) Carbon stable isotope patterns of cyclic terpenoids: A comparison of cultured alkaliphilic aerobic methanotrophic bacteria and methane-seep environments. Organic Geochemistry 139, 103940.

Lueder, U., Jorgensen, B.B., Kappler, A., Schmidt, C. (2020) Fe(III) photoreduction producing Fe²⁺_aq in oxic freshwater sediment. Environmental Science & Technology 54, 862-869.

Yang, Z., Sun, T., Subdiga, E., Obst, M., Haderlein, S.B., Maisch, M., Kretzschmar, R., Angenent, L., Kappler, A. (2020) Aggregation-dependent electron transfer via redox-active biochar particles stimulates microbial ferrihydrite reduction. Science of the Total Environment 703, 135515.

Sundman, A., Vitzhum, A.L., Adaktylos-Surber, K., Figueroa, A., van der Laan, G., Daus, B., Kappler, A., Byrne, J.M. (2020) Effect of Fe-metabolizing bacteria and humic substances on magnetite nanoparticle reactivity towards arsenic and chromium. Journal of Hazardous Materials 384, 121450.

Thompson, K.J., Kenward, P.A., Bauer, K.W., Warchola, T., Gauger, G., Martinez, R., Simister, R.L., Michiels, C.C., Llirós, M., Reinhard, C.T., Kappler, A., Konhauser, K.O., Crowe, S.A. (2019). Photoferrotrophy, deposition of banded iron formations, and methane production in Archean oceans. Science Advances 5, eaav2869.

Maisch, M., Lueder, U., Kappler, A., Schmidt, C. (2019) Iron Lung – How rice roots induce iron redox changes in the rhizosphere and create niches for microaerophilic Fe(II)-oxidizing bacteria. Environmental Science & Technology Letters 6, 600-605.

Schad, M., Halama, M., Bishop, B., Konhauser, K.O., Kappler, A. (2019) Temperature fluctuations in the Precambrian ocean as trigger for varve-like deposition of iron and silica minerals in Banded Iron Formations. Geochimica et Cosmochimica Acta 265, 386-412. 

Schad, M., Konhauser, K.O., Sanchez-Baracaldo, P., Kappler, A., Bryce, C. (2019) How did the evolution of oxygenic photosynthesis influence the temporal and spatial development of the microbial iron cycle on ancient Earth? Free Radical Biology and Medicine 140, 154-166.

Notini, L., Byrne, J.M., Tomaszewski, E.J., Latta, D.E., Zhou, Z., Scherer, M.M., Kappler, A. (2019) Mineral defects enhance bioavailability of goethite towards microbial Fe(III) reduction. Environmental Science and Technology 53, 8883-8891.

Otte, J.M., Blackwell, N., Ruser, R., Kappler, A., Kleindienst, S., Schmidt, C. (2019) N₂O formation by nitrite-induced (chemo)denitrification in coastal marine sediment. Scientific Reports 9, 10691.

Maisch, M., Lueder, U., Laufer, K., Scholze, C., Kappler, A., Schmidt, C. (2019) Contribution of microaerophilic iron(II)-oxidizers to iron(III) mineral formation. Environmental Science and Technology 53, 8197-8204.

Yu, G.H., Chi, Z.L., Teng, H., Dong, H.L., Kappler, A., Gillings, M.R., Polizzotto, M.L., Liu, C.Q., Zhu, Y.G. (2019) Fungus-initiated catalytic reactions at hyphal-mineral interfaces drive iron redox cycling and biomineralization. Geochimica Cosmochimica Acta 260, 192-203.

Peng, C., Bryce, C., Sundman, A., Borch, T., Kappler, A. (2019) Organic matter complexation promotes Fe(II) oxidation by the photoautotrophic Fe(II)-oxidizer Rhodopseudomonas palustris TIE-1. ACS Earth and Space Chemistry 3, 531-536.

Swanner, E.D., Webb, S.M., Kappler, A. (2019) Fate of cobalt and nickel in mackinawite during diagenetic pyrite formation. American Mineralogist 104, 917-928.

Bryce, C., Kappler, A. (2019) Photoferrotrophy. Encyclopedia of Astrobiology: Living Edition. Muriel Gargaud, William M. Irvine, Ricardo Amils, Henderson James Cleaves, Daniele Pinti, José Cernicharo Quintanilla, Michel Viso (eds.) Springer. doi:10.1007/978-3-642-27833-4_5415-1

Bryce, C., Kappler, A. (2019) Anaerobic photosynthesis. Encyclopedia of Astrobiology: Living Edition. Muriel Gargaud, William M. Irvine, Ricardo Amils, Henderson James Cleaves, Daniele Pinti, José Cernicharo Quintanilla, Michel Viso (eds.) Springer. doi: 1 0.1007/978-3-642-27833-4_5392-1.

Tejada, J., Grammer, P., Kappler, A., Thorwarth, H. (2019) Trace element concentrations in firewood and corresponding stove ashes. Energy & Fuels 33, 2236-2247.

Bryce, C., Blackwell, N., Straub, D., Kleindienst, S., Kappler, A. (2019). Draft Genome of Chlorobium sp. Strain N1: A marine Fe(II)-oxidizing green sulfur bacterium. Microbiology Resource Announcements, 8 (18), e00080-19.

Peng, C., Bryce, C., Sundman, A., Kappler, A. (2019) Cryptic cycling of Fe(III)-organic matter complexes by phototrophic Fe(II)-oxidizing bacteria. Applied and Environmental Microbiology, 85:e02826-18.

Boylan, A.A., Perez-Mon, C., Guillard, L., Burzan, N., Loreggian, L., Maisch, M., Kappler, A., Byrne, J.M., Bernier-Latmani, R. (2019) H₂-fulled microbial metabolism in Opalinus Clay. Applied Clay Science 174, 69-76.

Yan, R., Kappler, A., Muehe, M., Knorr, K.H., Horn, M.A., Poser, A., Lohmayer, R., Peiffer, S. (2019) Effect of reduced sulfur species on chemolithoautotrophic pyrite oxidation with nitrate. Geomicrobiolog Journal, 36, 19-29.

Thiel, J., Byrne, J., Kappler, A., Schink, B., Pester, M. (2019) Pyrite formation from FeS and H2S is mediated through a novel microbial redox activity. PNAS, doi.org/10.1073/pnas.1814412116.

Koeksoy, E., Sundman, A., Byrne, J.M., Lohmayer, R., Planer-Friedrich, B., Halevy, I., Konhauser, K.O., Kappler, A. (2019) Formation of green rust and elemental sulfur in an analogue for oxygenated ferro-euxinic transition zones of Precambrian oceans. Geology 47, 211-214.

Zheng, Y., Kappler, A., Xiao, Y., Yang, F., Mahadevan, G.D., Zhao, F. (2019) Redox-active humics support interspecies syntrophy and shift microbial community. SCIENCE CHINA Technological Sciences, 62, doi.org/10.1007/s11431-018-9360-5.

Peng, C., Sundman, A., Catrouillet, C., Bryce, C., Borch, T., Kappler, A. (2018) Oxidation of Fe(II)-organic-matter complexes in the presence of the mixotrophic nitrate-reducing Fe(II)-oxidizing bacterium Acidovorax sp. BoFeN1. Environmental Science and Technology, 52, 5753-5763. 

Bryce, C., Blackwell, N., Schmidt, C., Otte, J., Huang, Y., Kleindienst, S., Tomaszewski, E., Schad, M., Warter, V., Peng, C., Byrne, J.M., Kappler, A. (2018) Microbial anaerobic Fe(II) oxidation – ecology, mechanisms and environmental implications. Environmental Microbiology, 20, 3462-3483.

Otte, J., Blackwell, N., Soos, V., Rughoeft, S., Maisch, M., Kappler, A., Kleindienst, S., Schmidt, C. (2018) Sterilization impacts on marine sediment - Are we able to inactivate microorganisms in environmental samples? FEMS Microbiology Ecology, 94, doi.org/10.1093/femsec/fiy189.

Koeksoy, E., Halama, M., Hagemann, N., Weigold, R.R., Laufer, K., Kleindienst, S., Byrne, J.M., Sundman, A., Hanselmann, K., Halevy, I., Schoenberg, R., Konhauser, K.O., Kappler, A. (2018) A case study for late Archean and Proterozoic biogeochemical iron and sulphur cycling in a modern habitat – the Arvadi Spring. Geobiology 16, 353-368.

ThomasArrigo, L., Byrne, J., Kappler, A., Kretzschmar, R. (2018) Impact of organic matter on iron(II)-catalyzed mineral transformations in ferrihydrite-organic matter coprecipitates. Environmental Science and Technology 52, 12316-12326.

Abramov, S., He, J., Wimmer, D., Lemloh, M.L., Muehe, E.M., Gann, B., Roehm, E., Kirchhof, R., Babechuk, M., Schoenberg, R., Thorwarth, H., Helle, T., Kappler, A. (2018) Heavy metal mobility and valuable contents of processed municipal solid waste incineration residues from Southwestern Germany. Waste Management 79, 735-743.

Otte, J.M., Harter, J., Laufer, K., Blackwell, N., Kappler, A., Kleindienst, S. (2018) The distribution of active iron cycling bacteria in marine and freshwater sediments is decoupled from geochemical gradients. Environmental Microbiology 20, 2483-2499.

Mloszewska, A.M., Cole, D., Planavsky, N.J., Kappler, A., Whitford, D.S., Owttrim, G.W., Konhauser, K.O. (2018) Were early marine photic environments protected from UV fluxes? Nature Communications 9, 3088.

Bryce, C., Franz-Wachtel, M., Nalpas, N.C., Miot, J., Benzerara, K., Byrne, J.M., Kleindienst, S., Macek, B., Kappler, A. (2018) Proteome response of a metabolically flexible anoxygenic phototroph to Fe(II) oxidation. Applied and Environmental Microbiology, 84, e01166-18.

Konhauser, K.O., Robbins, L.J., Alessi, D.S., Flynn, S.L., Gingras, M.K., Martinez, R.E., Kappler, A., Swanner, E.D., Li, Y.L., Crowe, S.A., Lalonde, S.V. (2018) Phytoplankton contributions to the trace element composition of Precambrian banded iron formation. Geological Society of America Bulletin 130, 941-951.

Schaedler, F., Kappler, A., Schmidt, C. (2018) A revised iron extraction protocol for environmental samples enriched in nitrate, nitrite and carbonate. Geomicrobiology Journal, 35, 23-30.

Krause, H.M., Hueppi, R., Leifeld, J., El-Hadidi, M., Harter, J., Kappler, A., Hartmann, M., Behrens, S., Maeder, P., Hattinger, A. (2018) Biochar affects community composition of nitrous oxide reducers in a field experiment. Soil Biology and Biochemistry, 119, 143-151.

Usman, M., Byrne, J., Chaudhary, A., Orsetti, S., Hanna, K., Ruby, C., Kappler, A., Haderlein, S. (2018) Magnetite and green rust: synthesis, properties and environmental applications of mixed-valent iron minerals. Chemical Reviews 118, 3251-3304.

Byrne, J.M., Schmidt, M., Gauger, T., Bryce, C., Kappler, A. (2018). Imaging organic-mineral aggregates formed by Fe(II)-oxidizing bacteria using He-Ion Microscopy. Environmental Science and Technology Letters, 5, 209-213.

Tominski, C., Heyer, H., Loesekann-Behrens, T., Behrens, S., Kappler, A. (2018) Growth and population dynamics of the anaerobic Fe(II)-oxidizing and nitrate-reducing enrichment culture KS. Applied and Environmental Microbiology, 84, e02173-17.

Tominski, C., Lösekann-Behrens, T., Ruecker, A., Hagemann, N., Kleindienst, S., Müller, C., Höschen, C., Kögel-Knabner, I., Kappler, A., Behrens, S. (2018) Insights into carbon metabolism provided by fluorescence in situ hybridization-secondary ion mass spectrometry imaging of an autotrophic, nitrate-reducing, Fe(II)-oxidizing enrichment culture. Applied and Environmental Microbiology, 84, e02166-17.

Swanner, E.D. Maisch, M., Wu, W., Kappler, A., (2018) Oxic Fe(III) reduction could have generated Fe(II) in the photic zone of Precambrian seawater. Scientific Reports, 8, 4238.

Lueder, U., Druschel, G., Emerson, D., Kappler, A., Schmidt, C. (2018) Quantitative analysis of O₂ and Fe²⁺ profiles in gradient tubes for cultivation of microaerophilic Iron(II)-oxidizing bacteria, FEMS Microbiology Ecology, Volume 94, Issue 2, 1 February 2018, fix177, doi.org/10.1093/femsec/fix177

Schaedler, F., Lockwood, C., Lueder, U., Glombitza, C., Kappler, A., Schmidt, C. (2018) Microbially mediated coupling of Fe and N cycles by nitrate-reducing Fe(II)-oxidizing bacteria in littoral freshwater sediments. Applied and Environmental Microbiology, 84:e02013-17.

Hagemann, N., Subdiaga, E., Orsetti, S., de la Rosa Arranzc, J.M., Knicker, H., Schmidt, H.P., Kappler, K., Behrens, S. (2018) Effect of biochar amendment on compost organic matter composition following aerobic compositing of manure. Science of the Total Environment, 613-614, 20-29.

Friedrich, M., Kappler, A., Mosler, H.J. (2018) Enhancing handwashing frequency and technique of primary caregivers in Harare, Zimbabwe: A cluster-randomized controlled trial using behavioral and microbiological outcomes. Social Science & Medicine, 196, 66-76.

He, J., Kappler, A. (2017) Recovery of precious metals from waste streams. Microbial Biotechnology, 10, 1194-1198.

Byrne, J.M., Kappler, A. (2017) Current and future microbiological strategies to remove As and Cd from drinking water. Microbial Biotechnology, 10, 1098-1101.

Warchola, T.J., Flynn, S.L., Robbins, L.J., Liu, Y., Myers, R., Gauger, T., Kovalchuck, O., Alam, M.S., Wei, S., Lalonde, S., Kappler, A., Alessi, D.S., Konhauser, K.O. (2017) Field- and Lab-Based Potentiometric Titrations of Microbial Mats from the Fairmont Hot Spring, Canada. Geomicrobiology Journal, 34, 851-863.

Hagemann, N., Joseph, S., Schmidt, H.P., Kammann, C.I., Harter, J., Borch, T., Young, R.B., Varga, K., Taherymoosavi, S., Elliott, K.W., McKenna, A., Albu, M., Mayrhofer, C., Obst, M., Conte, P., Dieguez-Alonso, A., Orsetti, S., Subdiga, E., Behrens, S., Kappler, A. (2017) Organic coating on biochar explains its nutrient retention and stimulation of soil fertility. Nature Communications, 8:1089.

Sundman, A., Byrne, J.M., Bauer, I., Menguy, N., Kappler, A. (2017) Interactions between magnetite and humic substances: redox reactions and dissolution processes. Geochemical Transactions, 18:6.

Nordhoff, M., Tominski, C., Halama, M., Byrne, J.M., Obst, M., Kleindienst, S., Behrens, S., Kappler, A. (2017) Insights into nitrate-reducing Fe(II) oxidation mechanisms by analyzing cell-mineral associations, cell encrustation and mineralogy in the chemolithoautotrophic nitrate-reducing Fe(II)-oxidizing enrichment culture KS. Applied and Environmental Microbiology, 83:e00752-17.

Laufer, K., Niemeyer, A., Nikeleit, V., Halama, M., Byrne, J.M., Kappler, A. (2017) Physiological characterization of a halotolerant anoxygenic phototrophic Fe(II)-oxidizing green-sulfur bacterium isolated from a marine sediment. FEMS Microbiology Ecology, 93 (5); doi.org/10.1093/femsec/fix054.

Swanner, E.D., Bayer, T., Wu, W., Hao, L., Obst, M., Sundman, A., Byrne, J., Michel, M.F., Kappler, A., Schoenberg, R. (2017) Iron isotope fractionation during Fe(II) oxidation mediated by the oxygen-producing marine cyanobacterium Synechococcus PCC 7002. Environmental Science and Technology, 51, 4897-4906.

Krause, H.M., Thonar, C., Eschenbach, W., Well, R., Maeder, P., Behrens, S., Kappler, A., Gattinger, A. (2017) Long term farming systems affect soils potential for N2O production and reduction processes under denitrifying conditions. Soil Biology and Biochemistry, 114, 31-41.

Zhu, Y.G., Xue, X.M., Kappler, A., Rosen, B., Meharg, A. (2017). Linking genes to biogeochemical cycling: lessons from arsenic. Environmental Science and Technology, 51, 7326-7339.

Archanjo, B.S., Mitchell, D.R.G., Achete, C.A., Behrens, S., Kappler, A., Enders, A., Munroe, P., Hagemann, N., van Zwieten, L., Mayerhofer, C., Mai, T., Horvat, J., Mendoza, M.E., Weng, Z., Araujo, J.R., Donne, S. , Joseph, S., Albu, M. (2017) Nanoscale Analyses of the Surface Structure and Composition of Aged Biochars Using Advanced Analytical Electron Microscopy. Geoderma 294, 70-79.

Krauss, M., Krause, H.M., Spangler, S., Kandeler, E., Behrens, S., Kappler, A., Maeder, P., Gattinger, A. (2017) Tillage system affects fertilizer induced nitrous oxide emissions. Biology and Fertility of Soils 53, 49-59.

Harter, J., El-Hadidi, M., Huson, D.H., Kappler, A., Behrens, S. (2017) Soil biochar amendment affects the diversity of nosZ transcripts: Implications for N2O formation. Scientific Reports, 7, 3338.

ThomasArrigo, L., Mikutta, C., Byrne, J., Kappler, A., Kretzschmar, R. (2017) Iron(II)-catalyzed Iron Atom Exchange and Mineralogical Changes in Iron-rich Organic Freshwater Flocs: An Iron Isotope Tracer Study. Environmental Science & Technology, 51, 6897-2907.

Markovski, C., Lalla, E., Byrne, J.M., Lozano, A.D., Klingelhoefer, G., Rull, F., Kappler, A., Hoffmann, T. (2017) Abiotic versus biotic iron mineral transformation studied by a miniaturized backscattering Mössbauer spectrometer (MIMOS II), X-ray diffraction and Raman spectroscopy. Icarus, 296, 49-58.

Wu, W., Swanner, E.D., Kleinhanns, I.C., Schoenberg, R., Pan, Y., Kappler (2017) Fe isotope fractionation during Fe(II) oxidation by the marine photoferrotroph Rhodovulum iodosum in the presence of Si - implications for Precambrian iron formation deposition. Geochimica Comsmochimica Acta, 211, 307-321.

Cao, M.J., Qin, K., Li, G.M., Evans, N.J., Hollings, P., Maisch, M., Kappler, A. (2017) Mineralogical evidence for crystallization conditions and petrogenesis of ilmenite-serise I-type granitoids at the Baogutu reduced porphyry Cu deposit (Western Junggar, NW China): Mössbauer spectroscopy, EPM and LA-(MC)-ICPMS analyses. Ore Geology Reviews, 86, 382-403.

Friedrich, M.N.D., Julian, T.R., Kappler, A., Nhiwatiwa, T., Mosler, H.J. (2017) Handwashing, but how? Microbiological effectiveness of existing handwashing practices in high-density suburbs of Harare, Zimbabwe. American Journal of infection control 45, 228-233.

Hagemann, N., Kammann, C.I., Schmidt, H.P., Kappler, A., Behrens, S. (2017) Nitrate capture and slow release in biochar amended compost and soil. PLoS ONE 12(2):e0171214.

Laufer, K., Nordhoff, M., Halama, M., Martinez, E.R., Obst, M., Nowak, M., Stryhanyuk, H., Richnow, H., Kappler, A. (2017) Microaerophilic Fe(II)-oxidizing Zetaproteobacteria isolated from low-Fe marine coastal sediments – physiology and characterization of their twisted stalks. Applied and Environmental Microbiology 83:e03118-16.

Kappler, A., Bryce, C. (2017) Cryptic biogeochemical cycles: unravelling hidden redox reactions. Environmental Microbiology, 19, 842-846.

Martinez, R., Konhauser, K.O., Paunova, N., Wu, W., Alessi, D.S., Kappler, A. (2016) Surface reactivity of the anaerobic phototrophic Fe(II)-oxidizing bacterium Rhodovulum iodosum: implications for trace metal budgets in ancient oceans and banded iron formations. Chemical Geology, 442, 113-120.

Harter, J., Bustamante, I.G., Kuehfuss, S., Ruser, R., Well, R., Spott, O., Kappler, A., Behrens, S. (2016) Gas entrapment and microbial N2O reduction reduce N2O emissions from a biochar-amended sandy clay loam soil. Scientific Reports, 6:39574.

Yang, Z., Kappler, A., Jiang, J. (2016) Reducing capacities and distribution of redox functional groups of low molecular weight fractions of humic acids. Environmental Science and Technology, 50, 12105-12113.

Rush, D., Osborne, K.A., Birgel, D., Kappler, A., Hirayama, H., Peckmann, J., Poulton, S.W., Nickel, J.C., Mangelsdorf, K., Kalyuzhnaya, M., Sidgwick, F.R., Talbot, H.M. (2016) The bacteriohopanepolyol inventory of novel aerobic methane oxidising bacteria reveals new biomarker signatures of aerobic methanotrophy in marine systems. PLoS ONE 11(11): e0165635.

Hagemann, N., Harter, J., Kaldamukova, R., Guzman-Bustamante, I., Ruser, R., Graeff, S., Kappler, A., Behrens, S. (2016) Does soil aging affect the N2O mitigation potential of biochar? A combined microcosm and field study. GCB Bioenergy, doi:10.1111/gcbb.1239.

Mehlhorn, J., Byrne, J.M., Kappler, A., Planer-Friedrich, B. (2016) Time and temperature dependency of carbon dioxide triggered metal(loid) mobilization. Applied Geochemistry, 74, 122-137.

Laufer, K., Roy, H., Jorgensen, B.B., Kappler, A. (2016) Evidence for the existence of autotrophic nitrate-reducing Fe(II)-oxidizing bacteria in marine coastal sediment. Applied and Environmental Microbiology, 82, 6120-6131.

Laufer, K., Byrne, J.M., Glombitza, C., Schmidt, C., Jorgensen, B.B., Kappler, A. (2016) Anaerobic microbial Fe(II) oxidation and Fe(III) reduction in coastal marine sediments controlled by organic carbon content. Environmental Microbiology 18, 3159-3174.

Weigold, P., Ruecker, A., Loesekann-Behrens, T., Kappler, A., Behrens, S. (2016) Ribosomal tag pyrosequencing of DNA and RNA reveals 'rare' taxa with high protein synthesis potential in the sediment of a hypersaline lake in Western Australia. Geomicrobiology Journal, 33, 426-440.

Byrne, J.M., van der Laan, G., Figueroa, A.I., Qafoku, O., Wang, C., Pearce, C.I., Jackson, M., Feinberg, J., Rosso, K.M., Kappler, A. (2016) Size dependent microbial oxidation and reduction of magnetite nano- and micro-particles. Scientific Reports, 6, 30969.

Maisch, M., Wu, W., Kappler, A., Swanner, E.D. (2016) Laboratory simulation of an iron(II)-rich late Archean marine upwelling system to explore the growth of photosynthetic bacteria. Journal of Visualized Experiments, 113, e54251.

Link to the video

Koeksoy, E., Halama, M., Konhauser, K.O., Kappler, A. (2016) Using modern ferruginous habitats to interpret Precambrian banded iron formation deposition. International Journal of Astrobiology, 15, 205-217.

Weigold, P., El-Hadidi, M., Ruecker, A., Huson, D.H., Scholten, T., Jochmann, M., Kappler, A., Behrens, S. (2016) A metagenomic-based survey of microbial (de)halogenation potential in a German forest soil. Scientific Reports, 6, 28958.

Harter, J., Weigold, P., El-Hadidi, M., Huson, D.H., Kappler, A., Behrens, S. (2016) Soil biochar amendment shapes the composition of N2O-reducing microbial communities. Science of the Total Environment, 562, 379-390.

He, S., Tominski, C., Kappler, A., Behrens, S., Roden, E. (2016) Metagenomic analyses of the autotrophic Fe(II)-oxidizing, nitrate-reducing enrichment Culture KS. Applied and Environmental Microbiology 82, 2656-2668.

Halama, M., Swanner, E.D., Konhauser, K.O., Kappler, A. (2016) Evaluation of siderite and magnetite formation in BIFs by pressure-temperature experiments of Fe(III) minerals and microbial biomass. Earth and Planetary Science Letters, 450, 243-253.

Ruecker, A, Schröder, C., Byrne, J., Weigold, P., Behrens, S., & Kappler, A. (2016) Geochemistry and mineralogy of Western Australian salt lake sediments: Implications for Meridiani Planum on Mars. Astrobiology, 16, 525-538.

Strauss, H., Chmiel, H., Christ, A., Fugmann, A., Hanselmann, K., Kappler, A., Königer, P., Lutter, A., Siedenberg, K., Teichert, B. (2016). Multiple sulfur and oxygen isotopes reveal microbial sulfur cycling in spring waters in the Lower Engadin, Switzerland. Isotopes in Environmental & Health Studies, 52, 75-93.

Gauger, T., Konhauser, K.O., Kappler, A. (2016) Protection of nitrate-reducing Fe(II)-oxidizing bacteria from UV radiation by biogenic Fe(III) minerals. Astrobiology, 16, 301-310.

Picard, A., Obst, M., Schmid, G., Zeitvogel, F., Kappler, A. (2016) Limited influence of Si on the preservation of Fe-mineral encrusted cells during experimental diagenesis. Geobiology, 14, 276-292.

Hao, L., Guo, Y., Byrne, J.M., Zeitvogel, F., Schmid, G., Ingino, P., Li, J., Neu, T.R., Swanner, E.D., Kappler, A., Obst, M. (2016). Binding of heavy metal ions in aggregates of microbial cells, EPS and biogenic iron minerals measured in-situ using metal- and glycoconjugates-specific fluorophores. Geochimica Cosmochimica Acta, 180, 66-96.

Gauger, T., Byrne, J.M., Konhauser, K.O., Obst, M., Crowe, S., Kappler, A. (2016) Influence of organics and silica on Fe(II) oxidation rates and cell-mineral aggregate formation by the green-sulfur Fe(II)-oxidizing bacterium Chlorobium ferrooxidans KoFox - implications for Fe(II) oxidation in ancient oceans. Earth and Planetary Science Letters, 443, 81-89.

Schroeder, C., Koehler, I., Muller, F.L.L., Chumakov, A.I., Kupenko, I., Ruefler, R., Kappler, A. (2016). The biogeochemical iron cycle and astrobiology. Hyperfine Interactions. 237:85.

Swanner, E.D., Wu, W., Hao, L., Wuestner, M., Obst, M., Moran, D.M., McIlvin, M., Saito, M., Kappler, A. (2016) Physiology, Fe(II) oxidation, and Fe mineral formation by a marine planktonic cyanobacterium grown under ferruginous conditions. Frontiers in Earth Sciences, 3, 1-21.

Muehe, M.E., Morin, G., Scheer, L., Lepape, P., Daus, B., Kappler, A. (2016) Arsenic(V) incorporation in vivianite during microbial reduction of arsenic(V)-bearing biogenic Fe(III) (oxyhydr)oxides, Environmental Science & Technology, 50, 2281-2291.

Laufer, K., Nordhoff, M., Roy, H., Schmidt, C., Behrens, S., Jorgensen, B.B., Kappler, A. (2016) Co-existence of microaerophilic, nitrate-reducing, and phototrophic Fe(II)-oxidizers and Fe(III)-reducers in coastal marine sediment. Applied and Environmental Microbiology, 82, 1433-1447.

Kappler, A., Emerson, D., Gralnick, J.A., Roden, E.E., Muehe, E.M. (2015) Geomicrobiology of Iron. In: Ehrlich, H.L., Newman, D.K., Kappler, A. Geomicrobiology. 6th Edition, CRC Press.

Muehe, E.M., Schmidt, C., He, J., Helle, T., Kappler, A. (2015) Microbially supported recovery of precious metals from urban household waste incineration slag. Adv. Mat. Res. 1130, 652-655.

Druschel, G., Kappler, A. (2015) Geomicrobiology and Microbial Geochemistry. Elements, 11, 389-394.

Gauger, T., Konhauser, K.O., Kappler, A. (2015) Protection of phototrophic iron(II)-oxidizing bacteria from UV irradiation by biogenic iron(III) minerals: Implications for early Archean banded iron formation. Geology, 43, 1067-1070.

Konhauser, K.O., Robbins, L.J., Peacock, C., Kappler, A., Lalonde, S.V. (2015) The Archean Nickel Famine Revisited. Astrobiology, 15, 804-815.

Weigold, P. Ruecker, A., Jochmann, M., Osorio Barajas, X., Lege, S., Zwiener, C., Kappler, A., Behrens, S. (2015) Formation of chloroform and tetrachloroethylene by Sinorhizobium meliloti strain 1021. Letters in Applied Microbiology, 61, 346-353.

Dippon, U., Schmidt, C., Behrens, S., Kappler, A. (2015) Secondary mineral formation during ferrihydrite reduction by Shewanella oneidensis MR-1 depends on incubation vessel orientation and resulting gradients of cells, Fe2+ and Fe minerals. Geomicrobiology Journal, 32, 868-877.

Yan, R., Kappler, A., Peiffer, S. (2015) Interference of nitrite with pyrite under acidic conditions – implications for studies of chemolithotrophic denitrification. Environmental Science and Technology, Environmental Science & Technology, 49, 11403-11410.

Muehe, E.M., Wiegold, P., Adaktylou, I.J., Planer-Freidrich, B., Kraemer, U., Kappler, A., Behrens, S. (2015) Rhizosphere microbial community composition affects Cadmium and Zinc uptake by the metal-hyperaccumulating plant Arabidopsis halleri. Applied Environmental Microbiology, 6, 2173-2181.

Ruecker, A., Weigold, P., Behrens, S., Jochmann, M., Osorio Barajas, X.L., Kappler, A. (2015) Halogenated hydrocarbon formation in a moderately acidic salt lake in Western Australia – role of abiotic and biotic processes. Environmental Chemistry, 12, 406-414.

Neiser, S., Rentsch, D., Dippon, D., Kappler, A., Weidler, P., Göttlicher, J., Steininger, R., Wilhelm, M., Braitsch, M., Funk, F., Schwarz, K., Philipp, E., Burckhardt, S. (2015) Physico-chemical properties of the new generation IV iron preparations ferumoxytol, iron isomaltoside 1’000, and ferric carboxymaltose. Biometals, 28, 615-635.

Nitzsche, K.S., Weigold, P., Loesekann-Behrens, T., Kappler, A., Behrens, S. (2015) Microbial community composition of a household sand filter used for arsenic, iron, and manganese removal from groundwater in Vietnam. Chemosphere 138, 47-59.

Swanner, E.D., Wu, W., Schoenberg, R., Byrne, J., Michel, M., Pan, Y., Kappler, A. (2015) Fractionation of Fe isotopes during Fe(II) oxidation by a marine photoferrotroph is controlled by the formation of organic Fe-complexes and colloidal Fe fractions. Geochimica Cosmochimia Acta, 165, 44-61.

Sun, S., Konhauser, K.O., Kappler, A., Li, Y. (2015) Primary hematite precipitation in late Archean to Paleoproterozoic oceans. GSA Bull. 127, 850-861.

Muehe, E. M., Kappler, A., Chaban, C. and Daus, B. (2015) Measuring the arsenic content ad speciation in different rice tissues. Bio-protocol 5(8): e1445.

Byrne, J., Klueglein, N., Pearce, C., Rosso, K.M., Appel, E., Kappler, A. (2015) Redox cycling of Fe(II) and Fe(III) in magnetite by Fe-metabolizing bacteria. Science, 347, 1473-1476.

Robbins, L.J., Lalonde, S.V., Eickhoff, M., Paranich, M.L., Reinhard, C.T., Peacock, C.L., Kappler, A.K., Konhauser, K.O. (2015) Limited Zn and Ni mobility during simulated iron formation diagenesis. Chemical Geology, 402, 30-39.

Picard, A., Kappler, A., Schmid, G., Quaroni, L., Obst, M. (2015) Experimental diagenesis of organo-mineral structures formed by microaerophilic Fe(II)-oxidizing bacteria. Nature Communications, 6, 6277.

Klueglein, N., Picardal, F., Zedda, M., Zwiener, C., Kappler, A. (2015) Oxidation of Fe(II)-EDTA by nitrite and by two nitrate-reducing Fe(II)-oxidizing Acidovorax strains. Geobiology, 13, 198-207.

Regenspurg, R., Feldbusch, E., Byrne, J., Deon, F., Driba, D.L., Henninges, J., Kappler, A., Naumann, R., Reinsch, T., Schubert, C. (2015) Mineral precipitation during production of geothermal fluid from a Permian Rotliegend reservoir. Geothermics, 54, 122-135.

Swanner, E.D., Mloszewska, A.M., Cirpka, O.A., Schoenberg, R., Konhauser, K.O., Kappler, A. (2015) Modulation of oxygen production in Archaean oceans by episodes of Fe(II) toxicity. Nature Geoscience, 8, 126-130.

Ziganshin, A.M., Ziganshina, E.E., Byrne, J., Gerlach, R., Struve, E., Rodionov, A., Kappler, A. (2015) Fe(III) mineral reduction followed by partial dissolution and reactive oxygen species generation during 2,4,6-trinitrotoluene transformation by the aerobic yeast Yarrowia lipolytica. Applied and Microbial Biotechnology Express, 5:8.

Hofacker, A., Behrens, S., Voegelin, A., Kaegi, R. Loesekann-Behrens, T., Kappler, A., Kretzschmar, R. (2015) Clostridium species as metallic copper forming bacteria in soil under reducing conditions. Geomicrobiol. J., 32, 130-139.

Jin, X., Hao, L., She, M., Obst, M., Kappler, A., Yin, B., Liu, P., Wang, L., Li, J., Shi, Z. (2015) Visualizing tributyltin (TBT) in bacterial aggregates by specific rhodamine-based fluorescent probes. Analytica Chimica Acta, 853, 514-520.

Nitzsche, K.S., Lan, V. M., Trang, P.T.K., Viet, P.H., Berg, M., Voegelin, A., Planer-Friedrich, B., Zahoransky, Z., Mueller, S.K., Byrne, J.M., Schroeder, C. Behrens, S., Kappler, A. (2015) Arsenic removal from drinking water by a household sand filter – effect of filter usage practices on arsenic removal efficiency and microbiological water quality. Science of the Total Environment, 502, 526-536.

Pecoits, E., Smith, M.L., Catling, D.C., Philippot, P., Kappler, A., Konhauser, K.O. (2014) Atmospheric Hydrogen Peroxide and Eoarchean Iron Formations, Geobiology, 13, 1-14.

ThomasArrigo, L., Mikutta, C., Byrne, J., Barmettler, K., Kappler, A., Kretzschmar, R. (2014) Iron and arsenic speciation and distribution in organic flocs from streambeds of an arsenic-enriched peatland. Encvironmental Science and Technology, 48, 13218-13228.

Melton, E.D., Swanner, E.D., Behrens, S., Schmidt, C., Kappler, A. (2014) The interplay of microbially mediated and abiotic reactions in the biogeochemical Fe cycle. Nature Reviews Microbiology, 12, 797-808.

Melton, E.D., Stief, P., Behrens, S., Kappler, A., Schmidt, C. (2014) High spatial resolution distribution and interconnections between Fe- and N-redox processes in profundal lake sediments. Environmental Microbiology, 16, 3287-3303.

Piepenbrock, A., Behrens, S., Kappler, A. (2014) Comparison of humic substance- and Fe(III)-reducing microbial communities in anoxic aquifers. Geomicrobiol. J. 31, 917-928.

Muehe, E.M., Kappler A. (2014) Arsenic mobility and toxicity in the environment – a review on biogeochemistry, health and socio-economic effects, remediation and future predictions. Environmental Chemistry, 5, 483-495.

Voegelin, A., Kaegi, R., Berg, M., Nitzsche, K.S., Kappler, A., Lan, V.M., Trang, P.T.K., Göttlicher, J., Steininger, R. (2014) Solid-phase characterization of an effective household sand filter for As, Fe and Mn removal from groundwater in Vietnam. Environmental Chemistry, 5, 566-578.

Melton, E.D., Schmidt, C., Behrens, S., Schink, B., Kappler, A. (2014) Metabolic flexibility and substrate preference by the Fe(II)-oxidizing purple non-sulphur bacterium Rhodopseudomonas palustris strain TIE-1. Geomicrobiol. J., 31, 835-843.

Melton, E.D., Rudolph, A., Behrens, S., Schmidt, C., Kappler , A. (2014) Influence of nutrient concentrations on MPN quantification and enrichment of nitrate-reducing Fe(II)-oxidizing and Fe(III)-reducing bacteria from littoral freshwater lake sediments. Geomicrobiology J., 31, 788-801.

Kappler, A., Wuestner, M.L., Ruecker, A., Harter, J., Halama, M., Behrens, S. (2014) Biochar as electron shuttle between bacteria and Fe(III) minerals. Environmental Science and Technology Letters, 1, 339-344.

Ruecker, A., Weigold, P., Behrens, S., Jochmann, M., Laaks, J., Kappler, A. (2014) Predominance of biotic over abiotic formation of halogenated hydrocarbons in hypersaline sediments in Western Australia. Environmental Science and Technology, 9170-9178.

Ameen, N., Klueglein, N., Appel, E., Petrovsky, E., Kappler, A., Leven, C. (2014) Effect of hydrocarbon-contaminated fluctuating groundwater on magnetic properties of shallow sediments. Stud. Geophys. Geod., 58, 442-460.

Eickhoff, M., Obst, M., Schröder, C., Hitchcock, A., Tyliszczak, T., Martinez, R.E., Robbins, L., Konhauser, K.O., Kappler, A. (2014) Nickel partitioning in biogenic and abiogenic ferrihydrite: the influence of silica and implications for ancient environments. Geochim. Cosmochim. Acta, 140, 65-79.

Schmid, G., Zeitvogel, F., Hao, L., Ingino, P., Floetenmeyer, M., Stierhof, Y.D., Schroeppel, B., Burkhardt, C., Kappler, A., Obst, M. (2014) 3D analysis of bacterial cell-(iron)mineral aggregates formed by the nitrate-reducing Fe(II) oxidizing Acidovorax sp. BoFeN1 using complementary microscopy tomography approaches. Geobiology, 12, 340-361.

Miot, J., Benzerara, K., Kappler, A. (2014) Investigating microbe/mineral interactions: recent advances in X-ray and electron microscopies and redox-sensitive methods. Annu. Rev. Earth Planet. Sci., 42, 271-289.

Wu, W., Swanner, E.D., Hao, L., Zeitvogel, F., Obst, M., Pan, Y., Kappler, A. (2014) Characterization of the physiology and cell-mineral interactions of the marine anoxygenic phototrophic Fe(II)-oxidizer Rhodovulum iodosum - implications for Precambrian banded iron formation deposition. FEMS Microbiol. Ecol., 3, 503-515.

Muehe, E.M., Eisele, J., Daus, B., Kappler, A., Harter, K., Chaban, C. (2014) Are rice (Oryza sativa L.) phosphate transporters regulated similarly by phosphate and arsenate? - a comprehensive study. Plant Molecular Biology, 85, 301-316.

Posth, N., Canfield, D.E., Kappler, A. (2014) Biogenic Fe(III) minerals: from formation to diagenesis and preservation in the rock record. Earth-Science Reviews, 135, 103-121.

Piepenbrock, A., Schroeder, C., Kappler, A. (2014) Electron transfer from humic substances to biogenic and abiogenic Fe(III) oxyhydroxide minerals. Environmental Science and Technology, 48, 1656-1664.

Lohmayer, R., Kappler, A., Loesekann-Behrens, T., Planer-Friedrich, B. (2014) Role of sulfur species as redox partners and electron shuttles for ferrihydrite reduction by Sulfurospirillum deleyianum. Appl. Environ. Microbiol,80, 3141-3149.

Klüpfel, L., Piepenbrock, A., Kappler, A., Sander, M. (2014) Humics as fully regenerable terminal electron acceptors in recurrently anoxic environments. Nature Geoscience, 7, 195-200.

Harter, J., Krause, H.M., Schuettler, S., Ruser, R., Fromme, M., Scholten, T., Kappler, A., Behrens, S. (2014) Linking N2O emissions from biochar-amended soil to the structure and function of the N-cycling microbial community. ISME J., 8, 660-674.

Eickhoff. M., Birgel, D., Talbot, H.M., Peckmann, J., Kappler, A. (2014) Diagenetic degradation products of bacteriohopanepolyols produced by Rhodopseudomonas palustris strain TIE-1. Organic Geochemistry, 68, 31-38.

Swanner, E.D., Planavsky, N.J., Lalonde, S.V., Robbins, L.J., Bekker, A., Rouxel, O.J., Kappler, A., Mojzsis, S.J., Konhauser, K.O. (2014) Cobalt and marine redox evolution. Earth Planet. Sci. Lett., 390, 253-263.

Klueglein, N., Zeitvogel, F., Stierhof, Y.D., Floetenmeyer, M., Konhauser, K.O., Kappler, A., Obst, M. (2014) Potential role of nitrite for abiotic Fe(II) oxidation and cell encrustation during nitrate reduction by denitrifying bacteria. Appl. Environ. Microbiol, 80, 1051-1061.

Porsch, K., Rijal, M.L., Borch, T., Troyer, L.D., Behrens, S., Wehland, F., Appel, E., Kappler, A. (2014) Impact of organic carbon and iron bioavailability on the magnetic susceptibility of soils. Geochim. Cosmochim. Acta, 128, 44-57.

Jew, A.D., Behrens, S., Rytuba, J.J., Kappler, A., Spormann, A.M., Brown, G.E. (2014) Microbially enhanced dissolution of HgS at an acid mine drainage site of the California coast range. Geobiology, 12, 20-33.

Muehe, E.M., Obst, M., Hitchcock, A., Tyliszczak, T., Behrens, S., Schroeder, C., Byrne, J.M., Michel, F.M., Kraemer, U., Kappler, A. (2013) Fate of Cd during microbial Fe(III) mineral reduction by a novel and Cd-tolerant Geobacter species. Environmental Science and Technology, 47, 14099-14109.

Posth, N.R., Koehler, I., Swanner, E.D., Schroeder, C., Wellmann, E., Binder, B., Konhauser, K.O., Neumann, U., Berthold, C., Nowak, M., Kappler, A. (2013) Simulating Precambrian banded iron formation diagenesis. Chemical Geology, 362, 66-73.

Shimizu, M., Zhou, J., Schroeder, C. Obst, M., Kappler, A., Borch, T. (2013) Dissimilatory reduction and transformation of ferrihydrite-humic-acid co-precipitates. Environmental Science and Technology, 47, 13375-13384.

Muehe, E.M., Adaktylou, I.J., Obst, M., Zeitvogel, F., Behrens, S., Planer-Friedrich, B., Kraemer, U., Kappler, A. (2013) Organic carbon and reducing conditions lead to cadmium immobilization by secondary Fe mineral formation in a pH-neutral soil. Environmental Science and Technology, 47,13430-13439.

Hao, L., Li, J., Kappler, A., Obst, M. (2013) Mapping of heavy metal ion sorption to cell-mineral aggregates using metal-selective fluorescent probes and CLSM. Appl- Environ. Microbiol., 79, 6524-6534.

Veeramani, H., Aruguete, D., Monsegue, N., Murayama, M., Dippon, U., Kappler, A., Hochella, M. (2013) Low-temperature, green synthesis of multivalent manganese oxide nanowires. ACS Sustainable Chemistry & Engineering, 1, 1070-1074.

Yang, Z., Hao, L., Yin, B., She, M., Obst, M., Kappler, A., Li, J., (2013) Six-membered spirocycle triggered probe for visualizing Hg2+ in living cells and bacteria-EPS-mineral aggregates. Organic Letters, 15, 4334-4337.

Klueglein, N., Loesekann-Behrens, T., Obst, M., Behrens, S. Appel, E. Kappler, A. (2013) Magnetite formation by the novel Fe(III)-reducing Geothrix fermentans strain HradG1 isolated from a hydrocarbon-contaminated sediment with increased magnetic susceptibility. Geomicrobiology Journal, 30, 863-873.

Muehe, M., Scheer, L., Daus B., Kappler, A. (2013) Fate of arsenic during microbial reduction of biogenic vs. abiogenic As-Fe(III)-mineral co-precipitates. Environmental Science and Technology, 47, 8297-8307.

Robbins, L.J., Lalonde, S.V., Saito, M.A., Planavsky, N.J., Mloszewska, A.M., Pecoits, E., Scott, C., Dupont, C.L., Kappler, A., Konhauser, K.O. (2013) Authigenic iron oxide proxies for marine Zinc over geological time and implications for eukaryotic metallome evolution. Geobiology, 11, 295-306.

Posth, N.R., Konhauser, K.O., Kappler, A. (2013) Microbiological processes in BIF deposition. Sedimentology, 60, 1733-1754.

Koehler, I., Konhauser, K.O., Papineau, D., Bekker, A., Kappler, A. (2013) Biological carbon precursor to diagenetic siderite spherulites in banded iron formations. Nature Communications, 4, 1741.

Eickhoff, M., Birgel, D., Talbot, H.M. Peckmann, J., Kappler, A. (2013) Oxidation of Fe(II) leads to increased C-2 methylation of pentacyclic triterpenoids in the anoxygenic phototrophic bacterium Rhodopseudomonas palustris strain TIE-1. Geobiology, 11, 268-278.

Eickhoff, M., Birgel, D., Talbot, H.M. Peckmann, J., Kappler, A. (2013) Bacteriohopanoid inventory of Geobacter sulfurreducens and Geobacter metallireducens. Organic Geochemistry, 58, 107-114.

Klueglein, N., Kappler, A. (2013) Abiotic oxidation of Fe(II) by reactive nitrogen species in cultures of the nitrate-reducing Fe(II)-oxidizer Acidovorax sp. BoFeN1 – questioning the existence of enzymatic Fe(II) oxidation. Geobiology, 11, 180-190.

Li, Y.L., Konhauser, K.O., Kappler, A., Hao, X.L. (2013) Experimental low-grade alteration of biogenic magnetite indicates microbial involvement in generation of banded iron formations. Earth and Planetary Science Letters, 361, 229-237.

Piepenbrock, A., Kappler, A. (2012) Humic substances and extracellular electron transfer. In: Metal respiration – from geochemistry to potential applications. Johannes Gescher, Andreas Kappler, Editors. Springer, Heidelberg, Germany.

Behrens, S. , Kappler, A., Obst, M. (2012) Linking environmental processes to the in situ functioning of microorganisms by high-resolution secondary ion mass spectrometry (NanoSIMS) and scanning transmission X-ray microscopy (STXM). Environmental Microbiology, 14, 2851-2869.

Buecking, C., Piepenbrock, A., Kappler, A., Gescher, J. (2012) Outer membrane cytochrome independent reduction of extracellular electron acceptors in Shewanella oneidensis. Microbiology, 158, 2144-2157.

Hegler, H., Lösekann, T., Hanselmann, K., Behrens, S., Kappler, A. (2012) Influence of Seasonal and Geochemical Changes on the Geomicrobiology of an Iron Carbonate Mineral Water Spring. Applied and Environmental Microbiology, 78, 7185-7196.

Biswas, R., Martinez, R.E., Goehring, N., Schlag, M., Josten, M., Xia, G., Hegler, F., Gekeler, C., Gleske, A.K., Goetz, F., Sahl, H.G., Kappler, A., Peschel A. (2012) Proton-binding capacity of Staphylococcus aureus wall teichoic acid and its role in controlling autolysin activity. PLoS One 7(7): e41415.

Larese-Casanova, P., Kappler, A., Haderlein, S.B. (2012) Heterogeneous oxidation of Fe(II) on iron oxides: Controls on Fe(III) product formation. Geochimica Cosmochimia Acta, 91, 171-186.

Dippon, U., Pantke, C., Porsch.K., Larese-Casanova, P., Kappler, A. (2012) Potential function of added minerals as nucleation sites and effect of humic substances on mineral formation by the nitrate-reducing Fe(II)-oxidizing strain Acidovorax sp. BoFeN1. Environmental Science and Technology, 46, 6556−6565.

Rijal, M.L., Porsch, K., Appel, E., Kappler, A. (2012) Magnetic signatures of hydrocarbon-contaminated soils and sediments at the former oil-field Hänigsen, Germany. Studia Geophysica et Geodaetica, 56, 889-908.

Melton, E.D., Schmidt, C., Kappler, A. (2012) Microbial iron(II) oxidation in littoral freshwater lake sediments: The potential for competition between phototrophic vs. nitrate-reducing iron(II)-oxidizers. Frontiers in Microbiology, 3, 1-12.

Emmerich, M., Bhansali, A., Lösekann-Behrens, T., Schröder, C., Kappler, A., Behrens, S. (2012) Abundance, distribution, and activity of Fe(II)-oxidizing and Fe(III)-reducing microorganisms in hypersaline sediments of Lake Kasin, Southern Russia. Applied and Environmental Microbiology, 78, 4386-4399.

Kendall, B., Anbar, A., Kappler, A., Konhauser, K.O. (2012) The global iron cycle. In: Fundamentals of Geobiology. Knoll A.H., Canfield D.E. and Konhauser K.O. (Editors). Wiley-Blackwell, pages 65-92.

Emmerich, M., Kappler, A. (2012) Absence of microbial humic substance reduction at acidic pH: implications for stimulation of natural organohalogen formation and for the mechanism of acidophilic Fe(III) reduction. Biogeochemistry, 109, 219-231.

Amstaetter K., Borch, T., Kappler A. (2012) Influence of humic substance imposed changes of ferrihydrite aggregation on microbial Fe(III) reduction. Geochimica Cosmichimia Acta, 85, 326-341.

Pantke, C., Obst, M., Benzerara, K., Morin, G., Ona-Nguema, G., Dippon, U., Kappler, A. (2012) Green rust formation during Fe(II) oxidation by the nitrate-reducing Acidovorax sp. strain BoFeN1. Environmental Science and Technology, 46, 1439-1446.

Sharma, P., Kappler, A. (2011) Desorption of arsenic from clay and humic acid-coated clay by dissolved phosphate and silicate. Journal of Contaminant Hydrology, 126, 216-225.

Piepenbrock, A., Dippon, U., Porsch, K., Appel, E., Kappler, A. (2011) Dependence of microbial magnetite formation on humic substance and ferrihydrite concentrations. Geochimica Cosmichimia Acta, 75, 6844–6858.

Obst, M., Grathwohl, P., Kappler, A., Eibl, O., Peranio, N., Gocht T. (2011) Quantitative high-resolution mapping of phenanthrene sorption to black-carbon particles. Environmental Science and Technology, 45, 7314–7322.

Kleinert, S., Mühe, E.M., Posth, N., Dippon, U., Daus, B., Kappler, A. (2011) Biogenic Fe(III) minerals lower the efficiency of iron-mineral-based commercial filter systems for arsenic removal. Environmental Science and Technology, 45, 7533–7541.

Hohmann, C., Morin, G., Ona-Nguema, G., Guigner, J.M., Brown Jr., G.E., Kappler, A., (2011) Molecular-level modes of As binding to Fe(III) (oxyhydr)oxides precipitated by the anaerobic nitrate-reducing Fe(II)-oxidizing Acidovorax sp. strain BoFeN1. Geochimica Cosmichimia Acta, 75, 4699-4712.

M. Brandmeier; J. Kuhlemann; Krumrei; A. Kappler; P. Kubik (2011) New challenges for tafoni research. A new approach to understand processes and weathering rates. Earth Surface Processes and Landforms, 36, 839-852.

Porsch, K., Kappler, A. (2011) Fe(II) oxidation by molecular O2 in HCl and its implication for Fe mineral extraction procedures. Environmental Chemistry, 8, 190-197.

Konhauser, K.O., Kappler, A., Roden, E.E. (2011) Iron in microbial metabolism. Elements, 7, 89-93.

Veeramani, H., Alessi, D.S., Suvorova, E.I., Lezama-Pacheco, J.S., Stubbs, J.E., Sharp, J.O., Dippon, U., Kappler, A., Bargar, J.R., Bernier-Latmani, R. (2011) Products of abiotic U(VI) reduction by biogenic magnetite and vivianite. Geochimica et Cosmochimica Acta, 75, 2512-2528.

Ziegenbalg, S.B., Berthold, C., Kappler, A., Peckmann, J. (2011) Gypsum whiskers in Messinian evaporites identified by µ-XRD².Facies, 57, 249-253.

Dierksen, D. Kühner, P., Kappler, A., Nickel, K.G. (2011) Microbial corrosion of silicon nitride ceramics by sulphuric acid producing bacteria Acidithiobacillus ferrooxidans. Journal of the European Ceramic Society, 31, 1177-1185.

Posth, N.R., Konhauser, K.O.; Kappler, A. (2011) Banded Iron Formations. Geobiology Encyclopedia. Springer Encyclopedia of Earth Science Series (EESS).

Konhauser, K.O., Gingras, M.K., Kappler, A. (2011) Diagenesis – Biologically Controlled. Geobiology Encyclopedia. Springer Encyclopedia of Earth Science Series (EESS).

Sharma, P., Rolle, M., Kocar, B., Fendorf, S., Kappler, A. (2011) Influence of natural organic matter on As transport and retention. Environmental Science and Technology, 45, 546-553.

Hegler, F., Schmidt, C., Schwarz, H., Kappler, A. (2010) Does a low pH-microenvironment around phototrophic FeII-oxidizing bacteria prevent cell encrustation by FeIII minerals? FEMS Microbiology Ecology, 74, 592-600.

Martinez, R.E., Sharma, P., Kappler, A. (2010) Surface binding site analyis of Ca2+-homoionized clay-humic acid complexes. Journal of Colloid & Interface Science, 352, 526-534.

Schmidt, C., Behrens, S., Kappler, A. (2010) Ecosystem functioning from a geomicrobiological perspective - a conceptual framework for biogeochemical iron cycling. Environmental Chemistry 7, 399-405.

Koehler, I., Konhauser, K.O., Kappler, A. (2010) Role of microorganisms in Banded Iron Formations. Geomicrobiology: Molecular and Environmental Perspective. Larry Barton, Martin Mandl and Alexander Loy (Editors). 485p.

Hegler, F., Kappler, A. (2010). Cryopreservation of anoxygenic phototrophic Fe(II)-oxidizing bacteria, Cryobiology, 61, 158-160

Larese-Casanova, P., Haderlein, S.B., Kappler, A. (2010) Biomineralization of lepidocrocite and goethite by nitrate-reducing Fe(II)-oxidizing bacteria: Effect of pH, bicarbonate, phosphate and humic acids. Geochimica Cosmochimica Acta, 74, 3721-3734.

Sharma, P., Ofner, J., Kappler, A. (2010) Formation of binary and ternary colloids and dissolved complexes of organic matter, Fe and As. Environmental Science and Technology, 44,4479-4485.

Roden, E.; Kappler, A.; Bauer, I.; Jiang, J.; Paul, A; Stoesser, R.; Konishi, H.; Xu, H. (2010) Extracellular electron transfer through microbial reduction of solid-phase humic substances. Nature Geoscience, 3, 417 – 421.

Posth, N.R., Huelin, S., Konhauser, K.O., Kappler, A. (2010) Size, density and mineralogy of cell-mineral aggregates formed during anoxygenic phototrophic Fe(II) oxidation. Geochimica Cosmochimica Acta, 74, 3476-3493.

Porsch, K., Dippon, U., Rijal, M.L., Appel, E., Kappler, A. (2010) In-situ magnetic susceptibility measurements as a tool to follow geomicrobiological transformation of Fe minerals. Environmental Science and Technology, 44, 3846-3852.

Kappler, A., Johnson, C.M., Crosby, H.A., Beard, B.L., Newman D.K. (2010) Evidence for equilibrium iron isotope fractionation by nitrate-reducing iron(II)-oxidizing bacteria. Geochimica Cosmochimica Acta, 74, 2826-2842.

Borch, T., Kretzschmar, R., Kappler, A., Van Cappellen, P., Ginder-Vogel, M., Voegelin, A., Campbell, K. (2010) Biogeochemical Redox Processes and their Impact on Contaminant Dynamics. Environmental Science and Technology, 44, 15-23.

Amstaetter, K., Borch, T., Larese-Casanova, P., Kappler, A. (2010) Redox transformation of arsenic by Fe(II)-activated goethite (a-FeOOH). Environmental Science and Technology, 44, 102-108.

Hohmann, C., Winkler, E., Morin, G., Kappler, A. (2010) Anaerobic Fe(II)-oxidizing bacteria show As resistance and co-precipitate As during Fe(III) mineral precipitation. Environmental Science and Technology, 44, 94-101

Muehe, M., Gerhardt, S., Schink, B., Kappler, A. (2009) Ecophysiology and energetic benefit of mixotrophic Fe(II)-oxidation by nitrate-reducing bacteria. FEMS Microbiology Ecology.

Wang, X.J., Chen, X.P., Kappler, A., Sun, G.X., Zhu, Y.G. (2009) Arsenic binding to Fe(II) minerals produced by an iron(III)-reducing Aeromonas strain isolated from paddy soil. Environmental Toxicology and Chemistry,

Miot, J., Benzerara, K, Obst, M., Kappler, A., Hegler, F., Schaedler, S., Bouchez, C., Guyot, F., Morin, G. (2009) Extracellular iron biomineralization by photoautotrophic iron-oxidizing bacteria. Applied and Environmental Microbiology, 75 5586-5591.

Wolf, M., Jiang, J., Kappler, A., Meckenstock, R.U. (2009) Effect of humic substances and quinones at low concentrations on ferrihydrite reduction by Geobacter metallireducens. Environmental Science and Technology, 43, 5679-5685.

Pecoits, E., Gingras, M.K., Barley, M.A., Kappler, A., Posth, N.R., Konhauser, K.O. (2009) Petrography and geochemistry of Dales Gorge banded iron formation: Paragenetic sequence, source and implications for palaeo-ocean chemistry. Precambrian Research, 172 (1-2), 163-187.

Bauer, I., Kappler, A. (2009) Rates and extent of reduction of Fe(III) compounds and O2 by humic substances. Environmental Science and Technology, 43, 4902-4908.

Miot, J., Benzerara, K., Morin, G., Bernard, S., Beyssac, O., Larquet, E., Ona-Nguema, G., Kappler, A., Guyot, F. (2009) Transformation of vivianite by anaerobic nitrate-reducing iron-oxidizing bacteria. Geobiology 7, 373-384.

Jiang, J., Bauer, I., Paul, A., Kappler, A. (2009) Arsenic redox changes by microbially and chemically formed semiquinone radicals and hydroquinones in a humic substance model quinone. Environmental Science and Technology 43, 3639-3646.

Gronstal, A., Pearson, V., Kappler, A., Dooris, C., Anand, M., Poitrasson, F., Kee, T., Cockell, C.S. (2009) Weathering of iron meteorites and carbonaceous chondrites by iron-oxidising bacteria. Meteoritics and Planetary Science 44, 233-247.

Schaedler, S., Burkhardt, C., Hegler, F., Straub, K.L., Miot, J., Benzerara, K., Kappler, A. (2009) Formation of cell-iron-mineral aggregates by phototrophic and nitrate-reducing anaerobic Fe(II)-oxidizing bacteria. Geomicrobiology Journal, 26, 93-103.

Miot, J, Benzerara, K., Morin, M., Kappler, A., Bernard, S., Obst, M., Férard, F., Skouri-Panet, F., Guigner, J.M., Posth, N., Galvez, M., Brown Jr, G.E., Guyot, F. (2009) Iron biomineralization by neutrophilic iron-oxidizing bacteria. Geochimica Cosmochimica Acta, 73, 696-711.

Heinz, B., Birk, S., Liedl, R., Geyer, T., Straub, K.L., Andresen, J., Bester, K., Kappler, A. (2009) Water quality deterioration at a karst spring caused by combined sewer overflow. Environmental Geology, 57, 797-808.

Croal, L.R., Jiao, Y., Kappler, A., Newman, D.K. (2009) Phototrophic Fe(II) Oxidation in the Presence of H₂: Implications for Banded Iron Formations. Geobiology, 7, 21-24.

Posth, N.R., Hegler, F., Konhauser, K.O., Kappler, A. (2008) Ocean temperature fluctuations as trigger for Precambrian Si and Fe deposition. Nature Geoscience, 1, 703-708.

Hegler, F., Posth, N.R., Jiang, J., Kappler, A. (2008) Physiology of phototrophic iron(II)-oxidizing bacteria – implications for modern and ancient environments. FEMS Microbiology Ecology, 66, 250-260.

Omoregie, E.O., Mastalerz, V., de Lange, G., Straub, K.L., Kappler, A., Røy, H., Stadnitskaia, A., Foucher. J.P., Boetius, A. (2008) Biogeochemistry and community composition of iron- and sulfur-precipitating microbial mats at the Chefren mud volcano (Nile Deep Sea Fan, Eastern Mediterranean). Appl. Environ. Microbiol. 74, 3198-3215.

Schaedler, S., Burkhardt, C., Kappler, A. (2008) Evaluation of electron microscopic sample preparation methods and imaging techniques for characterization of cell-mineral aggregates. Geomicrobiology J., 25, 228-239.

Jiang, J., Kappler, A. (2008) Kinetics of Microbial and Chemical Reduction of Humic Substances: Implications for Electron Shuttling. Environmental Science and Technology, 42, 3563–3569.

Chen X.P., Zhu Y.G., Hong M.N., Kappler A., Xu Y.X., (2008) Effects of different forms of nitrogen fertilizers on arsenic uptake by rice plants. Environmental Toxicology and Chemistry, 27(4): 881-887.

Micic, V, Straub, K.L., Blum, P., Kappler, A. (2007). Natural attenuation of naphthalene and benzene at a former gasworks site. Water Science & Technology: Water Supply 7, 3, 145–153

K.O. Konhauser, L. Amskold, S.V. Lalonde, N.R. Posth, A. Kappler, A. Anbar (2007). Decoupling Photochemical Fe(II) Oxidation from Shallow-Water BIF Deposition. Earth and Planetary Science Letters 258, 87-100.

T. Klotzbücher, A. Kappler, K.L. Straub, S.B. Haderlein (2007). Biodegradability and groundwater pollution potential of organic anti-freeze liquids in borehole heat exchanger fluids from geothermal heat pumps. Geothermics 36, 348-361.

B. Heinz, S. Birk, R. Liedl, T. Geyer, K.L. Straub, K. Bester, A. Kappler (2006). Vulnerability of a Karst Spring to Wastewater Infiltration (Gallusquelle, Southwest Germany). Austrian Journal of Earth Sciences 99, 11-17.

Kappler, A., Schink, B., Newman, D.K., 2005. Fe(III)-mineral formation and cell encrustation by the nitrate-dependent Fe(II)-oxidizer strain BoFeN1. Geobiology, 3, 235-245.

Konhauser, K.O., Newman, D.K., Kappler, A., 2005. The potential significance of microbial Fe(III) reduction during deposition of precambrian Banded Iron Formations. Geobiology, 3, 167-177.

Kappler A., Emerson D., Edwards K., Amend J.P., Gralnick J.A., Grathwohl P., Hoehler T., Straub K.L., 2005. Microbial activity in biogeochemical gradients – new aspects of research. Geobiology, 3, 229–233.

Kappler A., Straub, K.L., 2005. Geomicrobiological cycling of iron. Reviews in Mineralogy and Geochemistry, 59, 85-108

Straub, K.L., Kappler, A., Schink, B., 2005. Enrichment and isolation of iron(III) and humic acid reducing bacteria. Methods in Enzymology, 397, 58-77.

Kappler, A., Pasquero, C., Konhauser, K.O., Newman, D.K., 2005. Deposition of Banded Iron Formations by photoautotrophic Fe(II)-oxidizing bacteria. Geology, 33, 865–868.

Ji, R., Chen, Z., Corvini, P.F.X., Kappler, A., Brune, A., Haider, K., Schäffer, A., 2005 Synthesis of [13C]- and [14C]-labelled phenolic humus and lignin monomers. Chemosphere, 60, 1169-1181.

Jiao, Y., Kappler, A., Croal, L., Newman, D.K., 2005. Isolation and characterization of a genetically tractable photoautotrophic Fe(II)-oxidizing bacterium Rhodopseudomonas palustris strain TIE1. Appl. Environ. Microbiol., 71, 4487–4496.

Lies, D.P., Hernandez, M.E., Kappler, A., Mielke, R.E., Gralnick, J.A., Newman, D.K., 2005. Shewanella oneidensis strain MR-1 uses overlapping pathways for iron reduction at a distance and by direct contact under conditions relevant for biofilms. Appl. Environ. Microbiol., 71, 4414–4426.

Hernandez, M.E., Kappler, A., Newman, D.K., 2004. Phenazines and other redox active antibiotics promote microbial mineral reduction. Appl. Environ. Microbiol., 70, 921-928.

Kappler, A., Newman, D.K., 2004. Formation of iron(III)-minerals by iron(II)-oxidizing photoautotrophic bacteria. Geochim. Cosmochim. Acta, 68, 1217-1226.

Kappler, A., Benz, M., Schink, B., Brune, A., 2004. Electron shuttling via humic acids in microbial iron(III) reduction in freshwater sediments. FEMS Microbiol. Ecol., 47, 85-92.

Galushko, A.S., Kiesele-Lang, U., Kappler, A., 2003. Degradation of 2-methylnaphthalene by a sulfate-reducing enrichment culture of mesophilic freshwater bacteria. Polyc. Arom. Comp. 23, 207-218.

Kappler, A., Haderlein, S., 2003. Natural organic matter as reductant for chlorinated aliphatic pollutants. Environ. Sci. Technol., 37, 2714-2719

Kappler, A., Brune, A., 2002. Dynamics of redox potential and changes in redox state of iron and humic acids during gut passage in soil-feeding termites. Soil Biol. Biochem., 34, 221-227.

Müller, J.A., Galushko, A.S., Kappler, A., Schink, B., 2001. Initiation of anaerobic degradation of p-cresol by formation of 4-hydroxybenzylsuccinate in Desulfobacterium cetonicum. J. Bacteriol. 183(2), 752–757.

Kappler, A., Ji, R., Schink, B., Brune, A., 2001. Dynamics in size-class distribution and composition of humic substances in profundal sediments of Lake Constance. Org. Geochem., 32(1), 3–10.

Annweiler, E., Materna, A., Safinofsky, M., Kappler, A., Richnow, H.H., Michaelis, W., Meckenstock, R.U., 2000. Anaerobic degradation of 2-methylnaphthalene by a sulfate-reducing enrichment cultures. Appl. Environ. Microbiol. 66(12), 5329–5333.

Kappler, A., Ji, R., Brune, A., 2000. Synthesis and characterization of specifically ¹⁴C-labeled humic model compounds for feeding trials with soil-feeding termites. Soil Biol. Biochem. 32, 1271–1280.

Ji, R., Kappler, A., Brune, A., 2000. Transformation and mineralization of synthetic ¹⁴C-labeled humic model compounds by soil-feeding termites. Soil Biol. Biochem. 32, 1281–1291.

Kappler, A., Brune, A., 1999. Influence of gut alkalinity and oxygen status on mobilization and size-class distribution of humic acids in the hindgut of soil-feeding termites. Appl. Soil Ecol. 13, 219–229.

Müller, J.A., Galushko, A.S., Kappler, A., Schink, B., 1999. Anaerobic degradation of m-cresol by Desulfobacterium cetonicum is initiated by formation of 3-hydroxybenzylsuccinate. Arch. Microbiol. 172, 287–294.