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Electron flow shift inClostridium acetobutylicum fermentation by electrochemically introduced reducing equivalent

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Abstract

Electrochemical energy as a source of reducing equivalent was applied to the cultures ofClostridum acetobutylicum to understand the effects of the pressure by reducing equivalent on anaerobic bacteria. The fermentation byC. acetobutylicum with methyl viologen and electrochemical energy produced more butanol (up to 26%) than the control culture, whilst less acetone (up to 25%) was produced. But no effect was observed on the growth of the culture. These results were indirectly supported byin vitro electrochemical reduction of NAD+ and artificial electron carriers.

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Authors and Affiliations

  1. Applied Microbiology Lab., Genetic Engineering Center, Korea Advanced Institute of Science and technology, Cheongryang, P.O.Box 131, Seoul, Korea

    Tae Sung Kim & Byung Hong Kim

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  1. Tae Sung Kim
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  2. Byung Hong Kim
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Kim, T.S., Kim, B.H. Electron flow shift inClostridium acetobutylicum fermentation by electrochemically introduced reducing equivalent. Biotechnol Lett 10, 123–128 (1988). https://doi.org/10.1007/BF01024638

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  • DOI: https://doi.org/10.1007/BF01024638

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