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Demethylation of methylarsenic species by Mycobacterium neoaurum

TitleDemethylation of methylarsenic species by Mycobacterium neoaurum
Publication TypeJournal Article
Year of Publication2003
AuthorsLehr, CR, Polishchuk, E, Radoja, U, Cullen, WR
JournalApplied Organometallic Chemistry
Volume17
Pagination831-834
Date PublishedNov
Type of ArticleArticle
ISBN Number0268-2605
KeywordsACID, arsenic, ARSENICALS, ARSINE, CANDIDA-HUMICOLA, DEGRADATION, demethylation, METABOLITES, methylarsonic acid, methylarsonous acid, MICROORGANISMS, Mycobacterium neoaurum, RATS, REDUCTION, SOIL
Abstract

Mycobacterium neoaurum demethylates both methylarsonic acid and methylarsonous acid to mixtures of arsenate and arsenite. After 28 days of incubation, the yields of inorganic arsenic were 27% from arsenate and 43% from arsenite. A time study of the demethylation of methylarsonic acid by M. neoaurum showed that demethylation occurs rapidly during the growth and stationary phases of the bacterium, and indicates that MMA(V) is reductively demethylated to arsenite. Copyright (C) 2003 John Wiley Sons, Ltd.

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