ArticleEnvironmental microbiology2016
Thiosulfate oxidation by Thiomicrospira thermophila: metabolic flexibility in response to ambient geochemistry.
Article in Environmental microbiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 47 citations in OpenAlex.
- Evolutionary trajectory of microbial sulfur oxidation pathways recapitulates Earth's oxygenation history.Nature communications · 2026Article
- Sulfur Cycling and Life Strategies in Successional Biocrusts Link to Biomass Carbon in Dryland Ecosystems.Microorganisms · 2025Article
- The chemosynthetic biofilm microbiome of deep-sea hydrothermal vents across space and time.Environmental microbiome · 2025Article
- pH and thiosulfate dependent microbial sulfur oxidation strategies across diverse environments.Frontiers in microbiology · 2024Article
- A novel bacterial sulfite dehydrogenase that requires threeApplied and environmental microbiology · 2023Article
- Physiological and Genomic Characterization of a Novel Obligately Chemolithoautotrophic, Sulfur-Oxidizing Bacterium of GenusMicroorganisms · 2023Article
- Generation of zero-valent sulfur from dissimilatory sulfate reduction in sulfate-reducing microorganisms.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- A deep-sea sulfate-reducing bacterium generates zero-valent sulfur via metabolizing thiosulfate.mLife · 2022Article
- Deep-SeamBio · 2022Article
- Metabolism of the GenusMicroorganisms · 2022Article
- Gulf of Mexico blue hole harbors high levels of novel microbial lineages.The ISME journal · 2021Article
- Sulfur bacteria promote dissolution of authigenic carbonates at marine methane seeps.The ISME journal · 2021Article
- The Mechanisms of Thiosulfate Toxicity againstAntioxidants (Basel, Switzerland) · 2021Article
- Pressure effects on sulfur-oxidizing activity of Thiobacillus thioparus.Environmental microbiology reports · 2021Article
- Characterization ofFrontiers in microbiology · 2021Article
- A novel bacterial thiosulfate oxidation pathway provides a new clue about the formation of zero-valent sulfur in deep sea.The ISME journal · 2020Article
- Metagenome-assembled genome distribution and key functionality highlight importance of aerobic metabolism in Svalbard permafrost.FEMS microbiology ecology · 2020Article
- New Insights IntoFrontiers in microbiology · 2020Article
- Elemental Sulfur Formation byFrontiers in microbiology · 2019Article
- Ecological Succession of Sulfur-OxidizingFrontiers in microbiology · 2018Article
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
Abstract
Previous studies of the stoichiometry of thiosulfate oxidation by colorless sulfur bacteria have failed to demonstrate mass balance of sulfur, indicating that unidentified oxidized products must be present. Here the reaction stoichiometry and kinetics under variable pH conditions during the growth of Thiomicrospira thermophila strain EPR85, isolated from diffuse hydrothermal fluids at the East Pacific Rise, is presented. At pH 8.0, thiosulfate was stoichiometrically converted to sulfate. At lower pH, the products of thiosulfate oxidation were extracellular elemental sulfur and sulfate. We were able to replicate previous experiments and identify the missing sulfur as tetrathionate, consistent with previous reports of the activity of thiosulfate dehydrogenase. Tetrathionate was formed under slightly acidic conditions. Genomic DNA from T. thermophila strain EPR85 contains genes homologous to those in the Sox pathway (soxAXYZBCDL), as well as rhodanese and thiosulfate dehydrogenase. No other sulfur oxidizing bacteria containing sox(CD)2 genes have been reported to produce extracellular elemental sulfur. If the apparent modified Sox pathway we observed in T. thermophila is present in marine Thiobacillus and Thiomicrospira species, production of extracellular elemental sulfur may be biogeochemically important in marine sulfur cycling.
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