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. Submitted.

Lueder, U., Maisch, M., Laufer, K., Jørgensen, B.B.,Kappler, A., Schmidt, C. (2019) Influence of physical perturbation on Fe(II) supply in coastal marine sediments. Submitted

Schmidt, C., Nikeleit, V., Schaedler, F., Leider, A., Lueder, U., Bryce, C., Hallmann, C., Kappler, A., (2019) Metabolic flexibility in a phototrophic co-culture enriched from a freshwater sediment and its relevance for biogeochemical iron cycling. Submitted.

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 .

Lueder, U., Jørgensen, B.B., Kappler, A., Schmidt, C. (2018) Fe(III) photoreduction as an important source of Fe(II) in oxic freshwater sediment, submitted

Otte, J., Blackwell, N., Ruser, R., Kappler, A., Kleindienst, S., Schmidt, C. (2018) Cause and effects of N2O formation by nitrite-induced (chemo)denitrification in coastal marine sediment, submitted

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,

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.

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,

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.

Schaedler, F., Kappler, A., Schmidt, C. (2017) A revised iron extraction protocol for environmental samples rich in nitrite and carbonate. Geomicrobiology Journal, 1-8.

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.

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.

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.

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.

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.

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. Geomicrobiology Journal, 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 Journal, 31:788-801.

Melton, E.D., Schmidt, C., Kappler, A. (2012) Mircrobial iron(II) oxidation in littoral freshwater lake sediments: The potential for competition between phototrophic vs. nitrate reducing iron(II) oxidizers. Frontiers in Microbiology, 3:112.

Schmidt, C., Hanfland, C., Regnier, P., van Cappellen, P., Schlueter,M., Knauthe,U., Stimac,I., Geibert, W. (2011) The concentration of 228Ra, 226Ra, 224Ra and 223Ra in potential sources and sinks of land derived material to the German Bight of the North Sea. Implications for the use of radium as a tracer. Geo Marine Letters, 31:259-269.

Hegler, F., Schmidt, C., Schwarz, H., Kappler A. (2010) In situ measured pH microenvironment around phototrophic Fe(II) oxidizing bacteria: consequences for sorption and precipitation of Fe(III). FEMS Microbial Ecology, 74:592-600.

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.

Schmidt, C., Corbari, L., Gaill, F., LeBris, N. (2009) Biotic and abiotic controls on iron oxyhydroxide formation in the gill chamber of the hydrothermal vent shrimp Rimicaris exoculata. Geobiology, 4:454-464.

Schmidt, C., Vuillemin, R., Le Gall, C., Gaill, F, Le Bris, N. (2008) Geochemical energy sources for microbial primary production in the environment of hydrothermal vent shrimps. Marine Chemistry,108:18-31.

Schmidt, C., Le Bris, N., Gaill, F. (2008) Interactions of deep sea vent invertebrates with their environment: The case of Rimicaris exoculata. Journal of Shellfish Research, 27:79-90.

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