Heavy metal tolerance of Fe(III)-reducing microbial communities in contaminated creek bank soils |
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| Authors: | Burkhardt Eva-Maria Bischoff Sebastian Akob Denise M Büchel Georg Küsel Kirsten |
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| Affiliation: | 1Institute of Ecology, Friedrich Schiller University Jena, Dornburger-Straße 159, D-07743 Jena, Germany;2Institute of Earth Sciences, Friedrich Schiller University Jena, Burgweg 11, D-07749 Jena, Germany |
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| Abstract: | Fe(III)-reducing soil enrichment cultures can tolerate 100 μM Cu and Cd, 150 μM Co, 600 μM Ni, and 2,500 μM Zn. Metal-tolerant cultures were dominated by Geobacter-related Deltaproteobacteria and Gram-positive Firmicutes spp. (Clostridia and Sedimentibacter). A Cd- and Cu-tolerant Fe(III)-reducing coculture of Desulfosporosinus and Desulfitobacterium indicated the importance of the Firmicutes for Fe(III) reduction in the presence of metals. |
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