Mercury Methylation by Interspecies Hydrogen and Acetate Transfer between Sulfidogens and Methanogens |
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| Authors: | K.-R. Pak and R. Bartha |
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| Abstract: | Cocultures of Desulfovibrio desulfuricans and Methanococcus maripaludis grew on sulfate-free lactate medium while vigorously methylating Hg2+. Individually, neither bacterium could grow or methylate mercury in this medium. Similar synergistic growth of sulfidogens and methanogens may create favorable conditions for Hg2+ methylation in low-sulfate anoxic freshwater sediments. |
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