CHROMATE REDUCTION IN STREPTOMYCES

被引：42
|
作者：
DAS, S [1 ]
CHANDRA, AL [1 ]
机构：
[1] BOSE INST,DEPT MICROBIOL,CALCUTTA 700009,W BENGAL,INDIA
来源：
EXPERIENTIA | 1990年 / 46卷 / 07期
关键词：
chromate tolerance; reducing enzyme; reduction of Cr[!sup]6+[!/sup] to Cr[!sup]3+[!/sup; Streptomyces;
D O I：
10.1007/BF01939949
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Streptomyces species 3M grew in peptone yeast extract medium with 1000 μg/ml K2Cr2O7. Incubation of the chromate with different cell fractions in the presence of NADH and NADPH resulted in a decrease of Cr6+ in the reaction mixture. The level of Cr6+ was reduced by 82.7% by a particulate cell fraction obtained by centrifugation at 105,000×g for 1 h, in the presence of NADH. The reducing enzyme was associated with this cell fraction. The enzyme was constitutive and reduced Cr6+ to Cr3+. © 1990 Birkhäuser Verlag Basel.
引用
收藏
页码：731 / 733
页数：3
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