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Ishverlal P. Pankhania Alfred M. Spormann W. Allan Hamilton Rudolf K. Thauer 《Archives of microbiology》1988,150(1):26-31
Cell suspensions of Desulfovibrio vulgaris were found to catalyze, in the absence of sulfate, the complete conversion of 1 lactate to 1 acetate, 1 CO2, and 2 H2 (G0=-8.8 kJ/mol) and of 1 pyruvate to 1 acetate, 1 CO2, and 1 H2 (G0=-52 kJ/mol). Protonophores, the proton translocating ATPase inhibitor N,N-dicyclohexylcarbodiimide, and arsenate specifically inhibited H2 formation from lactate but not from pyruvate. The results suggest that lactate oxidation to pyruvate and H2 (G
0=+43.2 kJ/mol) is energy driven. 相似文献
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