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Applied and Environmental Microbiology, February 2004, p. 1234-1237, Vol. 70, No. 2
0099-2240/04/$08.00+0 DOI: 10.1128/AEM.70.2.1234-1237.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.
Electron Transfer by Desulfobulbus propionicus to Fe(III) and Graphite Electrodes
Dawn E. Holmes, Daniel R. Bond, and Derek R. Lovley*
Department of Microbiology, University of Massachusetts, Amherst, Massachusetts 01003
Received 10 July 2003/
Accepted 13 October 2003
Desulfobulbus propionicus was able to grow with Fe(III), the humic acids analog anthraquinone-2,6-disulfonate (AQDS), or a graphite electrode as an electron acceptor. These results provide an explanation for the enrichment of Desulfobulbaceae species on the surface of electrodes harvesting electricity from anaerobic marine sediments and further expand the diversity of microorganisms known to have the ability to use both sulfate and Fe(III) as an electron acceptor.
* Corresponding author. Mailing address: Department of Microbiology, 106N Morril IV N, University of Massachusetts, Amherst, MA 01003. Phone: (413) 545-9651. Fax: (413) 545-1578. E-mail:
dlovley{at}microbio.umass.edu.
Applied and Environmental Microbiology, February 2004, p. 1234-1237, Vol. 70, No. 2
0099-2240/04/$08.00+0 DOI: 10.1128/AEM.70.2.1234-1237.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.
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