What question did this study set out to answer?

To determine whether microbial communities can generate electricity from marine sediments and identify the specific microorganisms driving electrode reduction.

January 18, 2002Science

Electrode-Reducing Microorganisms That Harvest Energy from Marine Sediments

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Authors

DBDaniel R. BondBiotechnology Institute DHDawn E. HolmesWRc (United Kingdom)LTLeonard M. TenderUnited States Naval Research Laboratory

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Implication

Experimental study demonstrates Geobacteraceae harvest electrical energy in marine sediments using graphite anodes, suggesting new strategies for subsurface bioremediation.

Key Points

To determine whether microbial communities can generate electricity from marine sediments and identify the specific microorganisms driving electrode reduction.
Placed a graphite anode into anoxic marine sediments and connected it to a graphite cathode in overlying aerobic water.
Monitored microbial colonization on the anodes and assessed their ability to oxidize organic compounds with an electrode as the sole electron acceptor.
Observed a specific enrichment of microorganisms belonging to the family Geobacteraceae on the energy-harvesting graphite anodes.
Demonstrated that Geobacteraceae conserve energy to support cellular growth by oxidizing organic compounds using the electrode as their sole electron acceptor.

Cite This Study

Bond et al. (2002) studied this question.

synapsesocial.com/papers/69d75993ef4aa71f97f30d0e https://doi.org/10.1126/science.1066771

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Implication

Experimental study demonstrates Geobacteraceae harvest electrical energy in marine sediments using graphite anodes, suggesting new strategies for subsurface bioremediation.

Electrode-Reducing Microorganisms That Harvest Energy from Marine Sediments

Discussion

Member takes

Implication

Key Points

Cite This Study

Electrode-Reducing Microorganisms That Harvest Energy from Marine Sediments

Discussion

Member takes

Implication

Key Points

Cite This Study

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