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Applied and Environmental Microbiology, January 2002, p. 405-407, Vol. 68, No. 1
0099-2240/02/$04.00+0     DOI: 10.1128/AEM.68.1.405-407.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.

Electrochemical Regeneration of Fe(III) To Support Growth on Anaerobic Iron Respiration

Naoya Ohmura,* Norio Matsumoto, Kazuhiro Sasaki, and Hiroshi Saiki

Department of Bio-Science, Central Research Institute of Electric Power Industry, 1646 Abiko, Abiko-city, Chiba 270-1194, Japan

Received 14 May 2001/ Accepted 2 October 2001

Here we describe artificial help for the respiratory electron flow supporting anaerobic growth of Thiobacillus ferrooxidans through exogenous electrolysis. Flux between H2 and a anode through cells was accomplished with electrochemical regeneration of iron. The electrochemical help resulted in a 12-fold increase in yield compared with the yield observed in its absence.

* Corresponding author. Mailing address: Department of Bio-Science, Central Research Institute of Electric Power Industry, 1646 Abiko, Abiko-city, Chiba 270-1194, Japan. Phone: 81-471-82-1181. Fax: 81-471-83-3347. E-mail: ohmura{at}criepi.denken.or.jp.

Applied and Environmental Microbiology, January 2002, p. 405-407, Vol. 68, No. 1
0099-2240/02/$04.00+0     DOI: 10.1128/AEM.68.1.405-407.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.





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