Microbial antimony biogeochemistry: Enzymes, regulation, and related metabolic pathways
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Abstract
Antimony (Sb) is a toxic metalloid that occurs widely at trace concentrations in soil, aquatic systems, and the atmosphere. Nowadays, with the development of its new industrial applications and the corresponding expansion of antimony mining activities, the phenomenon of antimony pollution has become an increasingly serious concern. In recent years, research interest in Sb has been growing and reflects a fundamental scientific concern regarding Sb in the environment. In this review, we summarize the recent research on bacterial antimony transformations, especially those regarding antimony uptake, efflux, antimonite oxidation, and antimonate reduction. We conclude that our current understanding of antimony biochemistry and biogeochemistry is roughly equivalent to where that of arsenic was some 20 years ago. This portends the possibility of future discoveries with regard to the ability of microorganisms to conserve energy for their growth from antimony redox reactions and the isolation of new species of “antimonotrophs.”
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Microbial antimony biogeochemistry: Enzymes, regulation, and related metabolic pathways |
| Series title | Applied and Environmental Microbiology |
| DOI | 10.1128/AEM.01375-16 |
| Volume | 82 |
| Issue | 18 |
| Year Published | 2016 |
| Language | English |
| Publisher | American Society for Microbiology |
| Contributing office(s) | National Research Program - Western Branch |
| Description | 14 p. |
| First page | 5482 |
| Last page | 5495 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |