Effect of Copper on Inhibition by Nitrapyrin of Growth of Nitrosomonas europaea

Steven J. Powell, James I. Prosser

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Exponentially growing cultures of Nitrosomonas europaea were inhibited by addition
of 0.5/~g nitrapyrin ml -~. This inhibition was increased by simultaneous addition of 0.046/xg
Cu 2+ ml -~ as copper sulfate. This contradicts a previous report that copper relieves inhibition of
ammonia oxidation by nitrapyrin, which report has formed the basis for hypotheses regarding
the mechanism of action of this inhibitor.
Original languageEnglish
Pages (from-to)177-179
Number of pages3
JournalCurrent Opinion in Microbiology
Issue number3
Publication statusPublished - 1986

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