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MBio. 2010 May 25;1(2). pii: e00103-10. doi: 10.1128/mBio.00103-10.

Microbial electrosynthesis: feeding microbes electricity to convert carbon dioxide and water to multicarbon extracellular organic compounds.

Author information

  • 1Department of Microbiology, University of Massachusetts, Amherst, Massachusetts, USA.

Abstract

The possibility of providing the acetogenic microorganism Sporomusa ovata with electrons delivered directly to the cells with a graphite electrode for the reduction of carbon dioxide to organic compounds was investigated. Biofilms of S. ovata growing on graphite cathode surfaces consumed electrons with the reduction of carbon dioxide to acetate and small amounts of 2-oxobutyrate. Electrons appearing in these products accounted for over 85% of the electrons consumed. These results demonstrate that microbial production of multicarbon organic compounds from carbon dioxide and water with electricity as the energy source is feasible.

PMID:
20714445
[PubMed - indexed for MEDLINE]
PMCID:
PMC2921159
Free PMC Article

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