Words similar to arsenite
Example sentences for: arsenite
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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.
There would have been selective pressure to develop an arsenate reductase that could change this arsenate to arsenite, and this early evolution of an arsC -like ancestor coupled with sequence divergence and HGT would result in the diversity and widespread distribution of arsC genes seen in microorganisms today.
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 ] .
The arsC gene is of particular interest in that its product, the soluble enzyme arsenate reductase, catalyzes the reduction of arsenate to arsenite.
Inorganic arsenic exists primarily in two valence states: arsenite (As III ) and arsenate (As V , or the arsenate ion AsO 4 3-).
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