Words similar to arsenic

Example sentences for: arsenic

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An analogous genetic system ( Arr or ACR ) has also been described in the eukaryote Saccharomyces cervisiae [ 24 ] . Thus the ars operon, or similar arsenic resistance systems, appears to be relatively widespread throughout microorganisms.
Escherichia coli [ 19 20 ] , Acidiphilum multivorum [ 21 ] , Bacillus subtilis [ 22 ] , Pseudomonas aeruginosa [ 23 ] ). The genes can be plasmid-borne or chromosomal, and genome-sequencing projects have identified putative ars genes in both Bacteria and Archaea that have not been specifically characterized in terms of arsenic resistance.
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.
Later, he was convicted of poisoning five paramedic colleagues with arsenic.