Proteomics

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Biocathode metaproteomics - A previously uncharacterized, non-photosynthetic member of the Chromatiaceae is the primary CO2 fixing constituent in a self-regenerating biocathode


ABSTRACT: This project focust on proteogenomic characterization of a robust low complexity biocathode community which was enriched from, and cultivated on, the cathode of a microbial solar cell (MSC). This consortium forms a multi-cell layer thick biofilm on the poised electrode surface (+310 mV SHE) and can directly use electrical current as an electron donor to fix CO2 and reduce O2.

INSTRUMENT(S): QSTAR

ORGANISM(S): Biofilm Metagenome

SUBMITTER: Dasha Leary  

LAB HEAD: Dasha Leary

PROVIDER: PXD001045 | Pride | 2014-11-11

REPOSITORIES: Pride

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Publications

A previously uncharacterized, nonphotosynthetic member of the Chromatiaceae is the primary CO2-fixing constituent in a self-regenerating biocathode.

Wang Zheng Z   Leary Dagmar H DH   Malanoski Anthony P AP   Li Robert W RW   Hervey W Judson WJ   Eddie Brian J BJ   Tender Gabrielle S GS   Yanosky Shelley G SG   Vora Gary J GJ   Tender Leonard M LM   Lin Baochuan B   Strycharz-Glaven Sarah M SM  

Applied and environmental microbiology 20141114 2


Biocathode extracellular electron transfer (EET) may be exploited for biotechnology applications, including microbially mediated O2 reduction in microbial fuel cells and microbial electrosynthesis. However, biocathode mechanistic studies needed to improve or engineer functionality have been limited to a few select species that form sparse, homogeneous biofilms characterized by little or no growth. Attempts to cultivate isolates from biocathode environmental enrichments often fail due to a lack o  ...[more]

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