2018
DOI: 10.1007/s00294-018-0894-9
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Genetic mechanisms of arsenic detoxification and metabolism in bacteria

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Cited by 86 publications
(49 citation statements)
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“…Microbial As(III) oxidation is catalyzed by As(III) oxidase, AioBA (Anderson et al, 1992), which is widely distributed in heterotrophic and chemolithoautotrophic microorganisms (Yan et al, 2019). AioBA was first purified from the Alcaligenes faecalis bacterium in 1992 (Anderson et al, 1992), and additional characteristics were identified in different As(III) oxidizers, such as Herminiimonas arsenicoxydans ULPAs1 and Rhizobium sp.…”
Section: As(iii) Oxidase Catalyzes Microbial As(iii) Oxidationmentioning
confidence: 99%
“…Microbial As(III) oxidation is catalyzed by As(III) oxidase, AioBA (Anderson et al, 1992), which is widely distributed in heterotrophic and chemolithoautotrophic microorganisms (Yan et al, 2019). AioBA was first purified from the Alcaligenes faecalis bacterium in 1992 (Anderson et al, 1992), and additional characteristics were identified in different As(III) oxidizers, such as Herminiimonas arsenicoxydans ULPAs1 and Rhizobium sp.…”
Section: As(iii) Oxidase Catalyzes Microbial As(iii) Oxidationmentioning
confidence: 99%
“…total As in manure:~0.016-2.5 mM; sludge:~0.15 mM; feed:~0.0003-0.174 mM; animal fertilizer: 0.00059-0.017 mM) (Sager, 2007;Nachman et al, 2012;Zhang et al, 2012;Cui et al, 2017), being able to constitute an additional stress that can favour the selection of zoonotic Salmonella populations with diverse MeT and antibiotic resistance (ABR) phenotypes. To cope with arsenic toxicity, microorganisms have evolved different detoxification mechanisms that include arsenate reduction and efflux of arsenite (Andres and Bertin, 2016;Yang and Rosen, 2016;Yan et al, 2019). The most studied mechanism underlying arsenic tolerance (AsT) is the ars operon composed of arsR coding for a trans-acting transcriptional regulator/repressor, arsB (ArsB family, hereafter designated as arsB-type) or acr3 (ArsY family, hereafter designated as acr3-type) coding for a As[III] efflux antiporter and arsC for an arsenate reductase (glutaredoxin-GRX or thioredoxin-TRX superfamilies').…”
Section: Introductionmentioning
confidence: 99%
“…O sistema de resistência ao arsênio (ars) é a via de detoxificação mais estudada e frequente entre os micro-organismos aeróbicos e anaeróbicos. O operon ars pode ser encontrado em cromossomos e/ou plasmídeos de bactérias gram positivas e gram negativas (Yan et al, 2019). Diversas organizações do operon ars foram descobertas em diferentes bactérias, os mais comuns são os constituídos por três genes (arsR, arsB e arsC) e cinco genes (arsR, arsD, arsA, arsB e arsC) (Lièvremont et al, 2009;Yan et al, 2019).…”
Section: Sistema Arsunclassified
“…O operon ars pode ser encontrado em cromossomos e/ou plasmídeos de bactérias gram positivas e gram negativas (Yan et al, 2019). Diversas organizações do operon ars foram descobertas em diferentes bactérias, os mais comuns são os constituídos por três genes (arsR, arsB e arsC) e cinco genes (arsR, arsD, arsA, arsB e arsC) (Lièvremont et al, 2009;Yan et al, 2019). O mecanismo básico de detoxificação do As (III) é a extrusão por uma bomba de efluxo formado por um complexo protéico ligado à membrana acionado por ATP para a extrusão do arsenito.…”
Section: Sistema Arsunclassified
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