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Example Sentences for "arsenite "

But in the cases in point we might have two or three grains of Iodide of Potassium, one-tenth of a grain of Arsenite of Potash, or one-twentieth of a grain of Bichloride of Mercury, diluted down by about twenty pounds of blood, and extended through many miles of capillary tubes!

The Terchloride, and the Arsenite of Potash, are the preparations most frequently employed.

The officinal solution of Arsenite of Potash was introduced into notice by Dr.

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 ] .

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 ] .

Arsenite is pumped directly out of the cell by the arsB protein, however arsenate must first be reduced to arsenite by the cytoplasmic arsenate reductase coded from arsC .

Some bacteria also possess other ars genes: arsA produces an arsenite-stimulated ATPase [ 14 ] that results in more efficient arsenite extrusion, arsD encodes for a regulatory protein that controls the upper level of ars expression [ 15 ] , arsH has been identified but has an uncertain function [ 16 ] .

Conclusions Despite the suggestion of HGT and duplication events, the arsC phylogeny suggests that arsenate reductase is an evolutionarily old enzyme, a hypothesis that was recently suggested for arsenite oxidase [ 38 ] .



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