PERIPLASMIC AND MEMBRANE-BOUND RESPIRATORY NITRATE REDUCTASES IN THIOSPHAERA-PANTOTROPHA - THE PERIPLASMIC ENZYME CATALYZES THE 1ST STEP IN AEROBIC DENITRIFICATION

被引：200

作者：

BELL, LC ^{[1
]}

RICHARDSON, DJ ^{[1
]}

FERGUSON, SJ ^{[1
]}

机构：

[1] UNIV OXFORD,DEPT BIOCHEM,S PK RD,OXFORD OX1 3QU,ENGLAND

来源：

FEBS LETTERS | 1990年 / 265卷 / 1-2期

关键词：

Denitrification; Nitrate reductase; Nitrate transport; Oxygen control; Periplasm; Thiosphaera pantotropha;

D O I：

10.1016/0014-5793(90)80889-Q

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The unusual ability of Thiosphaera pantotropha to catalyze respiratory nitrate reduction under aerobic conditions is shown to correlate with the activity of a periplasmic nitrate reductase that is expressed under both aerobic and anaerobic growth conditions. The organism also synthesizes, but only under anaerobic conditions, a membrane-bound nitrate reductase which resembles the corresponding enzyme in Paracoccus denitrificans in respect of both catalytic properties and inhibition of activity in intact cells in the presence of oxygen. © 1990.

引用

页码：85 / 87

页数：3

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