Plugging into bacterial nanowires: A comparison of model electrogenic organisms

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Extracellular electron transport (EET) is an important metabolic process used by many bacteria to remove excess electrons generated through cellular metabolism. However, there is still limited understanding about how the molecular mechanisms used to export electrons impact cellular metabolism. Here the EET pathways of two of the best-studied electrogenic organisms, Shewanella oneidensis and Geobacter sulferreducens, are described. Both organisms have superficially similar overall EET routes, but differ in the mechanisms used to oxidise menaquinol, transfer electrons across the outer membrane and reduce extracellular substrates. These mechanistic differences substantially impact both substrate choice and bacterial lifestyle
Original languageEnglish
Pages (from-to)56-62
Number of pages7
JournalCurrent Opinion in Microbiology
Early online date6 Jan 2022
Publication statusPublished - 1 Apr 2022

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