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J Bacteriol. 1972 Dec;112(3):1228-36.

Mercury resistance in a plasmid-bearing strain of Escherichia coli.

Abstract

A strain of Escherichia coli carrying genes determining mercury resistance on a naturally occurring resistance transfer factor (RTF) converts 95% of 10(-5)m Hg(2+) (chloride) to metallic mercury at a rate of 4 to 5 nmoles of Hg(2+) per min per 10(8) cells. The metallic mercury is rapidly eliminated from the culture medium as mercury vapor. The volatilizing activity has a temperature dependence and heat sensitivity characteristic of enzymatic catalysis and is inducible by mercuric chloride. Ag(+) and Au(3+) are markedly inhibitory of mercury volatilization.

PMID:
4565536
[PubMed - indexed for MEDLINE]
PMCID:
PMC251553
Free PMC Article
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