Heavy Metal Tolerance of Fe(III)-Reducing Microbial Communities in Contaminated Creek Bank Soils
- 1 May 2011
- journal article
- Published by American Society for Microbiology in Applied and Environmental Microbiology
- Vol. 77 (9), 3132-3136
- https://doi.org/10.1128/aem.02085-10
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.Keywords
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