ArticleThe Journal of biological chemistry2010
Arsenite oxidase from Ralstonia sp. 22: characterization of the enzyme and its interaction with soluble cytochromes.
Article in The Journal of biological chemistry, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 52 citations in OpenAlex.
- The microbial nexus: linking arsenic biogeochemistry with greenhouse gas emissions.Frontiers in microbiology · 2026Review
- Characterization of Arsenite-Oxidizing Bacteria Isolated from Arsenic-Rich Sediments, Atacama Desert, Chile.Microorganisms · 2021Article
- New Arsenite Oxidase Gene (Frontiers in microbiology · 2021Article
- Metagenomic and Metatranscriptomic Study of Microbial Metal Resistance in an Acidic Pit Lake.Microorganisms · 2020Article
- Electron transfer through arsenite oxidase: Insights into Rieske interaction with cytochrome c.Biochimica et biophysica acta. Bioenergetics · 2017Article
- Microbial Community Structure and Arsenic Biogeochemistry in an Acid Vapor-Formed Spring in Tengchong Geothermal Area, China.PloS one · 2016Article
- The mononuclear molybdenum enzymes.Chemical reviews · 2014Review
- Organization and regulation of the arsenite oxidase operon of the moderately acidophilic and facultative chemoautotrophic Thiomonas arsenitoxydans.Extremophiles : life under extreme conditions · 2013Article
- In silico analysis of bacterial arsenic islands reveals remarkable synteny and functional relatedness between arsenate and phosphate.Frontiers in microbiology · 2013Article
- Life in an arsenic-containing gold mine: genome and physiology of the autotrophic arsenite-oxidizing bacterium rhizobium sp. NT-26.Genome biology and evolution · 2013Article
- The respiratory arsenite oxidase: structure and the role of residues surrounding the rieske cluster.PloS one · 2013Article
- Involvement of RpoN in regulating bacterial arsenite oxidation.Applied and environmental microbiology · 2012Article
- Unsuspected diversity of arsenite-oxidizing bacteria as revealed by widespread distribution of the aoxB gene in prokaryotes.Applied and environmental microbiology · 2011Article
- The small subunit AroB of arsenite oxidase: lessons on the [2Fe-2S] Rieske protein superfamily.The Journal of biological chemistry · 2010Article
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Authors and funding
11 authors at 4 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
We characterized the aro arsenite oxidation system in the novel strain Ralstonia sp. 22, a beta-proteobacterium isolated from soil samples of the Salsigne mine in southern France. The inducible aro system consists of a heterodimeric membrane-associated enzyme reacting with a dedicated soluble cytochrome c(554). Our biochemical results suggest that the weak association of the enzyme to the membrane probably arises from a still unknown interaction partner. Analysis of the phylogeny of the aro gene cluster revealed that it results from a lateral gene transfer from a species closely related to Achromobacter sp. SY8. This constitutes the first clear cut case of such a transfer in the Aro phylogeny. The biochemical study of the enzyme demonstrates that it can accommodate in vitro various cytochromes, two of which, c(552) and c(554,) are from the parent species. Cytochrome c(552) belongs to the sox and not the aro system. Kinetic studies furthermore established that sulfite and sulfide, substrates of the sox system, are both inhibitors of Aro activity. These results reinforce the idea that sulfur and arsenic metabolism are linked.
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