2021
DOI: 10.1021/acs.est.1c03967
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Abstract: Microorganisms play an important role in altering antimony (Sb) speciation, mobility, and bioavailability, but the understanding of the microorganisms responsible for Sb­(V) reduction has been limited. In this study, DNA-stable isotope probing (DNA-SIP) and metagenomics analysis were combined to identify potential Sb­(V)-reducing bacteria (SbRB) and predict their metabolic pathways for Sb­(V) reduction. Soil slurry cultures inoculated with Sb-contaminated paddy soils from two Sb-contaminated sites demonstrated… Show more

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Cited by 22 publications
(5 citation statements)
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“…According to the extraction results, the concentration of water-soluble Sb decreased by 66.40%, 51.17%, and 65.17% of Sb (III)1600, Sb (III)3200, and Sb (III)4800 in the 60 d aging treatment compared with the 10 d aging treatment ( Figure 4 ). This is consistent with prior research, which found that Sb has a strong attraction for crystalline and non-crystalline Fe oxides, as well as hydroxide minerals [ 55 ]. Mn minerals coupled with Fe oxides demonstrated considerable promise for immobilizing Sb via oxidation of Sb (III) and sorption of Sb (V) [ 20 ].…”
Section: Discussionsupporting
confidence: 93%
“…According to the extraction results, the concentration of water-soluble Sb decreased by 66.40%, 51.17%, and 65.17% of Sb (III)1600, Sb (III)3200, and Sb (III)4800 in the 60 d aging treatment compared with the 10 d aging treatment ( Figure 4 ). This is consistent with prior research, which found that Sb has a strong attraction for crystalline and non-crystalline Fe oxides, as well as hydroxide minerals [ 55 ]. Mn minerals coupled with Fe oxides demonstrated considerable promise for immobilizing Sb via oxidation of Sb (III) and sorption of Sb (V) [ 20 ].…”
Section: Discussionsupporting
confidence: 93%
“…Many studies have confirmed that microorganisms can metabolize As and Sb through through the same biological processes ( 71–73 ). For example, Sb(III) is transported by the As(III) transporter Acr3 or ArsB ( 71 , 72 ), and Sb(V) can be reduced through an arsenate respiratory reductase encoded by arrAB ( 73 ). Therefore, AsgeneDB, with its comprehensive and complete information on microbial As metabolism, can contribute a lot of novel information useful to the microbial community.…”
Section: Discussionmentioning
confidence: 99%
“…The availability of bacterial genomes in bulk has paved the way for bacterial pan-genomics [ 15 , 16 ], and coupling this approach with other features, we can study genome fraction-based traits [ 15 , 16 , 17 , 18 ], e.g., if a certain fraction of the genome (core, pan or accessory genome) has more or less resistance/virulence characteristics. In this study, we identify resistance genes in genome fractions and then utilize the conserved region of the genome for drug target mining against this pathogen.…”
Section: Introductionmentioning
confidence: 99%