Words similar to arsenite

Example sentences for: arsenite

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through increased specificity of phosphate uptake, [ 2 ] ), arsenite oxidation through the activity of arsenite oxidase [ 3 4 ] , or peroxidation reactions with membrane lipids [ 5 6 ] . Other microorganisms utilize arsenic in metabolism, either as a terminal electron acceptor in dissimilatory arsenate respiration [ 7 8 9 10 ] or as an electron donor in chemoautotrophic arsenite oxidation [ 11 12 ] . However, the most well-characterized microbial arsenic detoxification pathway involves the ars operon [ 2 13 ] .
Furthermore, arsenite is generally more labile and toxic than arsenate [ 26 ] , so that expression of arsC , and the ensuing reduction of arsenate to arsenite, might increase the toxicity of arsenic in the environment.
The arsC gene is of particular interest in that its product, the soluble enzyme arsenate reductase, catalyzes the reduction of arsenate to arsenite.
Both forms are toxic to microorganisms, with arsenite disrupting enzyme function, and arsenate behaving as a phosphate analog and interfering with phosphate uptake and utilization [ 1 ] . Microorganisms have evolved a variety of mechanisms for coping with arsenic toxicity, including minimizing the amount of arsenic that enters the cell (e.g.
Inorganic arsenic exists primarily in two valence states: arsenite (As III ) and arsenate (As V , or the arsenate ion AsO 4 3-).