Journal of Microbiology and Biotechnology

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Bacterial Communities in Microbial Fuel Cells Enriched with High Concentrations of Glucose and Glutamate

  • Choo Yeng-Fung (Water Environment and Remediation Research Center, Korea Institute of Science and Technology (KIST)) ;
  • Lee Ji-Young (Water Environment and Remediation Research Center, Korea Institute of Science and Technology (KIST)) ;
  • Chang In-Seop (Department of Environmental Science and Engineering, Gwangju Institute of Science and Technology (GIST)) ;
  • Kim Byung-Hong (Water Environment and Remediation Research Center, Korea Institute of Science and Technology (KIST))
  • Published : 2006.09.01
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Abstract

In this study, glucose and glutamate (copiotrophic conditions) were used to enrich electrochemically active bacteria (EAB) in a microbial fuel cell (MFC). The enriched population consisted primarily of ${\gamma}$-Proteobacteria (36.5%), followed by Firmicutes (27%) and O-Proteobacteria (15%). Accordingly, we compared our own enrichments done under many different conditions with those reported from the literature, all of which support the notion that electrochemically active bacteria are taxonomically very diverse. Enrichments with different types and levels of energy sources (fuels) have clearly yielded many different groups of bacteria.

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References

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