ArticleApplied and environmental microbiology2008
Identification of components of electron transport chains in the extremely thermoacidophilic crenarchaeon Metallosphaera sedula through iron and sulfur compound oxidation transcriptomes.
Article in Applied and environmental microbiology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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Who cites it
53 citing papers in PubMed, 94 citations in OpenAlex.
- Assessing cell survival and biosignature preservation of the extremely thermoacidophilic archaeonFEMS microbes · 2026Article
- Characterization of Tetrathionate Hydrolase from Acidothermophilic Sulfur-Oxidizing ArchaeonInternational journal of molecular sciences · 2025Article
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- Improved protocol for metabolite extraction and identification of respiratory quinones in extremophilic Archaea grown on mineral materials.Frontiers in microbiology · 2024Article
- Navigating the archaeal frontier: insights and projections from bioinformatic pipelines.Frontiers in microbiology · 2024Article
- Electron transport chains as a window into the earliest stages of evolution.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Interplay between transcriptional regulators and VapBC toxin-antitoxin loci during thermal stress response in extremely thermoacidophilic archaea.Environmental microbiology · 2023Article
- Membrane Adaptations and Cellular Responses ofInternational journal of molecular sciences · 2023Article
- "Freezing" Thermophiles: From One Temperature Extreme to Another.Microorganisms · 2022Review
- Microbial application in remediation of heavy metals: an overview.Archives of microbiology · 2022Review
- Fox Cluster determinants for iron biooxidation in the extremely thermoacidophilic Sulfolobaceae.Environmental microbiology · 2022Article
- The biology of thermoacidophilic archaea from the order Sulfolobales.FEMS microbiology reviews · 2021Article
- Life in hot acid: a genome-based reassessment of the archaeal order Sulfolobales.Environmental microbiology · 2021Article
- Exposure to 1-Butanol Exemplifies the Response of the Thermoacidophilic Archaeon Sulfolobus acidocaldarius to Solvent Stress.Applied and environmental microbiology · 2021Article
- Physiology, Taxonomy, and Sulfur Metabolism of the Sulfolobales, an Order of Thermoacidophilic Archaea.Frontiers in microbiology · 2021Review
- The Proposed Molecular Mechanisms Used by Archaea for Fe(III) Reduction and Fe(II) Oxidation.Frontiers in microbiology · 2021Review
- Comparative Genomic Analysis Reveals the Metabolism and Evolution of the Thermophilic Archaeal GenusFrontiers in microbiology · 2020Article
- Exploring the microbial biotransformation of extraterrestrial material on nanometer scale.Scientific reports · 2019Article
- Global Transcriptional Programs in Archaea Share Features with the Eukaryotic Environmental Stress Response.Journal of molecular biology · 2019Review
- Increased chalcopyrite bioleaching capabilities of extremely thermoacidophilic Metallosphaera sedula inocula by mixotrophic propagation.Journal of industrial microbiology & biotechnology · 2019Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The crenarchaeal order Sulfolobales collectively contain at least five major terminal oxidase complexes. Based on genome sequence information, all five complexes are found only in Metallosphaera sedula and Sulfolobus tokodaii, the two sequenced Sulfolobales capable of iron oxidization. While specific respiratory complexes in certain Sulfolobales have been characterized previously as proton pumps for maintaining intracellular pH and generating proton motive force, their contribution to sulfur and iron biooxidation has not been considered. For M. sedula growing in the presence of ferrous iron and reduced inorganic sulfur compounds (RISCs), global transcriptional analysis was used to track the response of specific genes associated with these complexes, as well as other known and putative respiratory electron transport chain elements. Open reading frames from all five terminal oxidase or bc(1)-like complexes were stimulated on one or more conditions tested. Components of the fox (Msed0467 to Msed0489) and soxNL-cbsABA (Msed0500 to Msed0505) terminal/quinol oxidase clusters were triggered by ferrous iron, while the soxABCDD' terminal oxidase cluster (Msed0285 to Msed0291) were induced by tetrathionate and S(0). Chemolithotrophic electron transport elements, including a putative tetrathionate hydrolase (Msed0804), a novel polysulfide/sulfur/dimethyl sulfoxide reductase-like complex (Msed0812 to Msed0818), and a novel heterodisulfide reductase-like complex (Msed1542 to Msed1550), were also stimulated by RISCs. Furthermore, several hypothetical proteins were found to have strong responses to ferrous iron or RISCs, suggesting additional candidates in iron or sulfur oxidation-related pathways. From this analysis, a comprehensive model for electron transport in M. sedula could be proposed as the basis for examining specific details of iron and sulfur oxidation in this bioleaching archaeon.
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