REGULATION OF THE PERIPLASMIC [FE] HYDROGENASE BY FERROUS IRON IN DESULFOVIBRIO-VULGARIS (HILDENBOROUGH)

被引：30

作者：

BRYANT, RD ^{[1
]}

KLOEKE, FV ^{[1
]}

LAISHLEY, EJ ^{[1
]}

机构：

[1] UNIV CALGARY,DEPT BIOL SCI,CALGARY T2N 1N4,ALBERTA,CANADA

来源：

APPLIED AND ENVIRONMENTAL MICROBIOLOGY | 1993年 / 59卷 / 02期

关键词：

D O I：

10.1128/AEM.59.2.491-495.1993

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The periplasmic [Fe] hydrogenase from the sulfate-reducing bacterium Desulfovibrio vulgaris (Hildenborough) DSM 8303 was found to be regulated by ferrous iron availability. During growth with 5 ppm of iron, the enzyme derepressed and the specific activity increased approximately fourfold, whereas the presence of 100 ppm of ferrous iron repressed the enzyme. The repression-derepression phenomenon with ferrous iron was found to be operative when the cells were cultured under either hydrogen or nitrogen gas. This is the first reported case showing that the hydrogenase enzyme is regulated by iron, and the implications of this finding relative to the corrosion industry are discussed.

引用

页码：491 / 495

页数：5

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