Transcriptomic profiling and its implications for the H2 production of a non-methanogen deficient in the frhAGB-encoding hydrogenase.

Abstract excerpt

The F420-reducing hydrogenase of methanogens functions in methanogenesis by providing reduced coenzyme F420 (F420H2) as an electron donor. In non-methanogens, however, their physiological function has not been identified yet. In this study, we constructed an ΔfrhA mutant, whose frhA gene encoding the hydrogenase α subunit was deleted, in the non-methanogenic Thermococcus onnurineus NA1 as a model organism. There...

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