Nitrite reductase of Nitrosomonas europaea is not essential for production of gaseous nitrogen oxides and confers tolerance to nitrite.

H.J.E. Beaumont, N.G. Hommes, L.A. Sayavedra-Soto, D.J. Arp, D.M. Arciero, A.B. Hooper, H.V. Westerhoff, R.J.M. van Spanning

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Abstract

A gene that encodes a periplasmic copper-type nitrite reductase (NirK) was identified in Nitrosomonas europaea. Disruption of this gene resulted in the disappearance of Nir activity in cell extracts. The nitrite tolerance of NirK-deficient cells was lower than that of wild-type cells. Unexpectedly, NirK-deficient cells still produced nitric oxide (NO) and nitrous oxide (N
Original languageEnglish
Pages (from-to)2557-2560
Number of pages4
JournalJournal of Bacteriology
Volume184
DOIs
Publication statusPublished - 2002

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