阴沟肠杆菌的膜相关铬酸盐还原酶活性
Membrane-associated chromate reductase activity from Enterobacter cloacae.
作者信息
Wang P C, Mori T, Toda K, Ohtake H
机构信息
Institute of Applied Microbiology, University of Tokyo, Japan.
出版信息
J Bacteriol. 1990 Mar;172(3):1670-2. doi: 10.1128/jb.172.3.1670-1672.1990.
Abstract
Washed cells of Enterobacter cloacae HO1 reduced hexavalent chromium (chromate: CrO4(2-) anaerobically. Chromate reductase activity was preferentially associated with the membrane fraction of the cells. Right-side-out membrane vesicles prepared from E. cloacae cells showed high chromate reductase activities when ascorbate-reduced phenazine methosulfate was added as an electron donor.
摘要
阴沟肠杆菌HO1的洗涤细胞在厌氧条件下可还原六价铬（铬酸盐：CrO4(2-)）。铬酸盐还原酶活性优先与细胞的膜部分相关。从阴沟肠杆菌细胞制备的外翻膜囊泡在添加抗坏血酸还原的吩嗪硫酸甲酯作为电子供体时显示出高铬酸盐还原酶活性。
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