ArticleMicroorganisms2015
Sulfur Oxygenase Reductase (Sor) in the Moderately Thermoacidophilic Leaching Bacteria: Studies in Sulfobacillus thermosulfidooxidans and Acidithiobacillus caldus.
Article in Microorganisms, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 26 citations in OpenAlex.
- Molecular insights into the response of Acidithiobacillus caldus to leached metal toxicity during bioleaching of spent FCC catalyst.Extremophiles : life under extreme conditions · 2026Article
- Transcriptomic Analysis of the StrainInternational journal of molecular sciences · 2025Article
- Article
- Comparative genomics of a vertically transmitted thiotrophic bacterial ectosymbiont and its close free-living relative.Molecular ecology resources · 2024Article
- Review
- Progress in bioleaching: fundamentals and mechanisms of microbial metal sulfide oxidation - part A.Applied microbiology and biotechnology · 2022Review
- A review on bacterial and archaeal thermostable sulfur oxidoreductases (SORS)-an insight into the biochemical, molecular and in-silico structural comparative analysis of a neglected thermostable enzyme of industrial significance.Archives of microbiology · 2022Review
- Reverse engineering directed gene regulatory networks from transcriptomics and proteomics data of biomining bacterial communities with approximate Bayesian computation and steady-state signalling simulations.BMC bioinformatics · 2020Article
- Crystallographic and cryogenic electron microscopic structures and enzymatic characterization of sulfur oxygenase reductase fromJournal of structural biology: X · 2020Article
- Adaptive mechanism of Acidithiobacillus thiooxidans CCTCC M 2012104 under stress during bioleaching of low-grade chalcopyrite based on physiological and comparative transcriptomic analysis.Journal of industrial microbiology & biotechnology · 2019Article
- Deep neural networks outperform human expert's capacity in characterizing bioleaching bacterial biofilm composition.Biotechnology reports (Amsterdam, Netherlands) · 2019Article
- Persulfide Dioxygenase FromFrontiers in microbiology · 2018Article
- Weak Iron Oxidation byFrontiers in microbiology · 2018Article
- Biogeochemical Cycling by a Low-Diversity Microbial Community in Deep Groundwater.Frontiers in microbiology · 2018Article
- Sulfur Oxidation in the Acidophilic AutotrophicFrontiers in microbiology · 2018Review
- Genome analysis of the thermoacidophilic archaeon Acidianus copahuensis focusing on the metabolisms associated to biomining activities.BMC genomics · 2017Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The sulfur oxygenase reductase (Sor) catalyzes the oxygen dependent disproportionation of elemental sulfur, producing sulfite, thiosulfate and sulfide. Being considered an "archaeal like" enzyme, it is also encoded in the genomes of some acidophilic leaching bacteria such as Acidithiobacillus caldus, Acidithiobacillus thiooxidans, Acidithiobacillus ferrivorans and Sulfobacillus thermosulfidooxidans, among others. We measured Sor activity in crude extracts from Sb. thermosulfidooxidans DSM 9293(T). The optimum temperature for its oxygenase activity was achieved at 75 °C, confirming the "thermophilic" nature of this enzyme. Additionally, a search for genes probably involved in sulfur metabolism in the genome sequence of Sb. thermosulfidooxidans DSM 9293(T) was done. Interestingly, no sox genes were found. Two sor genes, a complete heterodisulfidereductase (hdr) gene cluster, three tetrathionate hydrolase (tth) genes, three sulfide quinonereductase (sqr), as well as the doxD component of a thiosulfate quinonereductase (tqo) were found. Seven At. caldus strains were tested for Sor activity, which was not detected in any of them. We provide evidence that an earlier reported Sor activity from At. caldus S1 and S2 strains most likely was due to the presence of a Sulfobacillus contaminant.
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