Periplasmic and membrane‐bound respiratory nitrate reductases in Thiosphaera pantotropha
- 4 June 1990
- journal article
- Published by Wiley in FEBS Letters
- Vol. 265 (1-2), 85-87
- https://doi.org/10.1016/0014-5793(90)80889-q
Abstract
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.Keywords
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