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Issue 4, 2014
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Uptake of self-secreted flavins as bound cofactors for extracellular electron transfer in Geobacter species

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Abstract

Geobacter species are among the most efficient current-producing bacterial species, yet their electron-transfer mechanisms have been scarcely investigated at the molecular level. Here, we provide evidence that Geobacter cells secrete and utilize riboflavin as a bound-cofactor in outer-membrane c-type cytochromes. This finding highlights the potential roles of riboflavin as a major electron carrier in current production.

Graphical abstract: Uptake of self-secreted flavins as bound cofactors for extracellular electron transfer in Geobacter species

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Publication details

The article was received on 08 Nov 2013, accepted on 13 Jan 2014 and first published on 12 Feb 2014


Article type: Communication
DOI: 10.1039/C3EE43674H
Citation: Energy Environ. Sci., 2014,7, 1357-1361
  • Open access: Creative Commons BY license
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    Uptake of self-secreted flavins as bound cofactors for extracellular electron transfer in Geobacter species

    A. Okamoto, K. Saito, K. Inoue, K. H. Nealson, K. Hashimoto and R. Nakamura, Energy Environ. Sci., 2014, 7, 1357
    DOI: 10.1039/C3EE43674H

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