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  • Title: Anaerobic growth of Escherichia coli on formate by reduction of nitrate, fumarate, and trimethylamine N-oxide.
    Author: Yamamoto I, Ishimoto M.
    Journal: Z Allg Mikrobiol; 1977; 17(3):235-42. PubMed ID: 327708.
    Abstract:
    Anaerobic growth of E. coli, strain K-10, depending on formate oxidation by nitrate, fumarate, and trimethylamine N-oxide was followed in a medium containing peptone. The presence of formate and peptone was indispensable for growth with fumarate and trimethylamine N-oxide reduction. While there was no growth in the absence of acceptor, growth was observed in the absence of formate by nitrate reduction though not as much as under aerobic conditions. Per mole consumed formate equimolar succinate or trimethylamine was formed, but 1.2 mole of nitrate was produced, probably depending partly on peptone oxidation. The molar growth yield on formate was found to be 6.5, 7.6, and 7.0 g cells/mole depending on the reduction of nitrate, fumarate, and trimethylamine N-oxide, respectively, suggesting the formation of one mole ATP coupled to the anaerobic electron transfers from formate.
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