ArticleFrontiers in microbiology2011
Mechanisms and evolution of oxidative sulfur metabolism in green sulfur bacteria.
Article in Frontiers in microbiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 115 papers.
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Who cites it
115 citing papers in PubMed, 249 citations in OpenAlex.
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- Versatile nitrate-respiring heterotrophs are previously concealed contributors to sulfur cycle.Nature communications · 2025Article
- Genome-scale metabolic modelling reveals interactions and key roles of symbiont clades in a sponge holobiont.Nature communications · 2024Article
- Metabolic cross-feeding interactions modulate the dynamic community structure in microbial fuel cell under variable organic loading wastewaters.PLoS computational biology · 2024Article
- Evidence for autotrophic growth of purple sulfur bacteria using pyrite as electron and sulfur source.Applied and environmental microbiology · 2024Article
- Activity-Based Fluorescent Probes for Hydrogen Sulfide and Related Reactive Sulfur Species.Chemical reviews · 2024Review
- Oxidation of sulfur, hydrogen, and iron by metabolically versatile Hydrogenovibrio from deep sea hydrothermal vents.The ISME journal · 2024Article
- Evolutionary history and origins of Dsr-mediated sulfur oxidation.The ISME journal · 2024Article
- Anoxygenic photosynthesis with emphasis on green sulfur bacteria and a perspective for hydrogen sulfide detoxification of anoxic environments.Frontiers in microbiology · 2024Review
- Comparative genomics of a vertically transmitted thiotrophic bacterial ectosymbiont and its close free-living relative.Molecular ecology resources · 2024Article
- Implications for nitrogen and sulphur cycles: phylogeny and niche-range ofISME communications · 2024Article
- Metabolic and phylogenetic diversity in the phylumISME communications · 2024Article
- Geographic and Ecological Diversity of Green Sulfur Bacteria in Hot Spring Mat Communities.Microorganisms · 2023Article
- Genomic potential for inorganic carbon sequestration and xenobiotic degradation in marine bacterium Youngimonas vesicularis CC-AMW-EAntonie van Leeuwenhoek · 2023Article
- Metaproteogenomic Profile of a Mesopelagic Adenylylsulfate Reductase: Course-Based Discovery Using the Ocean Protein Portal.Journal of proteome research · 2023Article
- Blue light promotes zero-valent sulfur production in a deep-sea bacterium.The EMBO journal · 2023Article
- A ubiquitous gammaproteobacterial clade dominates expression of sulfur oxidation genes across the mesopelagic ocean.Nature microbiology · 2023Article
55 more citing papers are in PubMed but not listed here.
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Green sulfur bacteria (GSB) constitute a closely related group of photoautotrophic and thiotrophic bacteria with limited phenotypic variation. They typically oxidize sulfide and thiosulfate to sulfate with sulfur globules as an intermediate. Based on genome sequence information from 15 strains, the distribution and phylogeny of enzymes involved in their oxidative sulfur metabolism was investigated. At least one homolog of sulfide:quinone oxidoreductase (SQR) is present in all strains. In all sulfur-oxidizing GSB strains except the earliest diverging Chloroherpeton thalassium, the sulfide oxidation product is further oxidized to sulfite by the dissimilatory sulfite reductase (DSR) system. This system consists of components horizontally acquired partly from sulfide-oxidizing and partly from sulfate-reducing bacteria. Depending on the strain, the sulfite is probably oxidized to sulfate by one of two different mechanisms that have different evolutionary origins: adenosine-5'-phosphosulfate reductase or polysulfide reductase-like complex 3. Thiosulfate utilization by the SOX system in GSB has apparently been acquired horizontally from Proteobacteria. SoxCD does not occur in GSB, and its function in sulfate formation in other bacteria has been replaced by the DSR system in GSB. Sequence analyses suggested that the conserved soxJXYZAKBW gene cluster was horizontally acquired by Chlorobium phaeovibrioides DSM 265 from the Chlorobaculum lineage and that this acquisition was mediated by a mobile genetic element. Thus, the last common ancestor of currently known GSB was probably photoautotrophic, hydrogenotrophic, and contained SQR but not DSR or SOX. In addition, the predominance of the Chlorobium-Chlorobaculum-Prosthecochloris lineage among cultured GSB could be due to the horizontally acquired DSR and SOX systems. Finally, based upon structural, biochemical, and phylogenetic analyses, a uniform nomenclature is suggested for sqr genes in prokaryotes.
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