Brugna M, Nitschke W, Toci R, Bruschi M, Giudici-Orticoni M T
Laboratoire de Bioénergétique et Ingénierie des Protéines, UPR 9036 CNRS, Institut de Biologie Structurale et Microbiologie, 13402 Marseille Cedex 20, France.
J Bacteriol. 1999 Sep;181(17):5505-8. doi: 10.1128/JB.181.17.5505-5508.1999.
Hydrogenases, which are ubiquitous in sulfate-reducing bacteria, were previously thought to be absent from Desulfuromonas acetoxidans. For the first time, a hydrogenase from the strict anaerobic sulfur-respiring bacterium D. acetoxidans, grown on ethanol-malate, was detected and enriched. To assay the role of the hydrogenase in the energetic metabolism of D. acetoxidans, we examined the reactivity of the enzyme with polyheme cytochromes from the same bacterium.
氢化酶在硫酸盐还原菌中普遍存在,以前认为产乙酸脱硫单胞菌中不存在氢化酶。首次检测并富集到了来自严格厌氧的硫呼吸细菌产乙酸脱硫单胞菌的氢化酶,该菌在乙醇-苹果酸培养基上生长。为了分析氢化酶在产乙酸脱硫单胞菌能量代谢中的作用,我们检测了该酶与同一细菌的多血红素细胞色素的反应活性。