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Desulfobacter hydrogenophilus : ウィキペディア英語版 | Desulfobacter hydrogenophilus
''Desulfobacter hydrogenophilus'' is a strictly anaerobic sulfate-reducing bacterium. It was isolated and characterized in 1987 by Friedrich Widdel of the University of Konstanz (Germany). Like most sulfate-reducing bacteria (SRB), ''D. hydrogenophilus'' is capable of completely oxidizing organic compounds (specifically acetate, pyruvate and ethanol) to CO2, and therefore plays a key role in biomineralization in anaerobic marine environments. However, unlike many SRB, ''D. hydrogenophilus'' is a facultative lithoautotroph, and can grow using H2 as an electron donor and CO2 as a carbon source.〔 ''D. hydrogenophilus'' is also unique because it is psychrophilic (and has been shown to grow at temperatures as low as ). It is also diazotrophic, or capable of fixing nitrogen.〔 ==Cell structure== Cells are elongated-oval shaped, and 1–1.3 by 2–3 μm in size. They are non-motile, gram-negative, and non-sporulating.〔
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