Research Highlight: Modeling an Electrosynthetic Microbiome

Microbial electrosynthesis is a renewable energy and chemical production platform that employs microbial communities to generate industrially important chemical products (such as biofuels or commodity chemicals) by fixing carbon dioxide using an electric current as the electron donor. In a recent study published in Scientific Reports, researchers applied KBase annotation and metabolic modeling pipelines to analyze three major contributors in a 13-species electrosynthetic community that captures electrons from a cathode and fixes carbon dioxide. Metabolic models of the predominant community members revealed that Acetobacterium is the primary carbon fixer for the community, excreting large amounts of acetate, which serves as the main carbon source for the rest of the community.

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