Bacterial Manganese Reduction and Growth with Manganese Oxide as the Sole Electron Acceptor

Details Bacterial Manganese Reduction and Growth with Manganese Oxide as the Sole Electron Acceptor Bacterial Manganese Reduction and Growth with Manganese Oxide as the Sole Electron Acceptor

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988sci...240.1319m&link_type=abstract

Science, Volume 240, Issue 4857, pp. 1319-1321

Mathematics

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28

Scientific paper

Microbes that couple growth to the reduction of manganese could play an important role in the biogeochemistry of certain anaerobic environments. Such a bacterium, Alteromonas putrefaciens MR-1, couples its growth to the reduction of manganese oxides only under anaerobic conditions. The characteristics of this reduction are consistent with a biological, and not an indirect chemical, reduction of manganese, which suggest that this bacterium uses manganic oxide as a terminal electron acceptor. It can also utilize a large number of other compounds as terminal electron acceptors; this versatility could provide a distinct advantage in environments where electron-acceptor concentrations may vary.

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