2015
DOI: 10.5154/r.rchscfa.2014.05.024
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Bioprospección de bacterias oxidantes de arsenito de suelo de la Comarca Lagunera

Abstract: A rsenic is one of the most toxic metalloids present in the environment and prolonged exposure to this metal causes chronic health effects. Therefore, the search for environmentally-friendly alternatives for the treatment of arsenic-contaminated water and soil is important. In this study, bacterial strains were isolated from arseniccontaining soils in the Lagunera region to analyze those with arsenite-oxidizing abiliity. Strains 04-SP1qa and 14-SP1qh with chemolithoautotrophic and chemoheterotrophic metabolism… Show more

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“…This was comparable to the enrichment amount of As in ArsRexpressing E. coli cells. 56 TaGlo1 exhibited a 1.84-fold lower affinity (mean K m ) for As III than methyltransferases (AS3MT), 58 arsenic oxidases, 59 efflux pump proteins (ArsB), and aquaglyceroporin (GlpF) 60 (Table S9). However, TaGlo1 has a 1.55-fold higher affinity (mean K m ) for MAs III than methyltransferases 61 and demethyltransferase NArsI.…”
Section: ■ Discussionmentioning
confidence: 99%
“…This was comparable to the enrichment amount of As in ArsRexpressing E. coli cells. 56 TaGlo1 exhibited a 1.84-fold lower affinity (mean K m ) for As III than methyltransferases (AS3MT), 58 arsenic oxidases, 59 efflux pump proteins (ArsB), and aquaglyceroporin (GlpF) 60 (Table S9). However, TaGlo1 has a 1.55-fold higher affinity (mean K m ) for MAs III than methyltransferases 61 and demethyltransferase NArsI.…”
Section: ■ Discussionmentioning
confidence: 99%