ArticleFrontiers in microbiology2016
Comparative Analysis of Carbon Monoxide Tolerance among Thermoanaerobacter Species.
Article in Frontiers in microbiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 9 citations in OpenAlex.
- The diversity of exoplanetary environments and the search for signs of life beyond Earth.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Review
- Draft genome ofMicrobiology resource announcements · 2024Article
- Co-cultivation of Thermoanaerobacter strains with a methanogenic partner enhances glycerol conversion.Microbial biotechnology · 2020Article
- Microbial Consortiums of Hydrogenotrophic Methanogenic Mixed Cultures in Lab-ScaleMicroorganisms · 2020Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
An anaerobic thermophilic strain (strain PCO) was isolated from a syngas-converting enrichment culture. Syngas components cannot be used by strain PCO, but the new strain is very tolerant to carbon monoxide (pCO = 1.7 × 10(5) Pa, 100% CO). 16S rRNA gene analysis and DNA-DNA hybridization revealed that strain PCO is a strain of Thermoanaerobacter thermohydrosulfuricus. The physiology of strain PCO and other Thermoanaerobacter species was compared, focusing on their tolerance to carbon monoxide. T. thermohydrosulfuricus, T. brockii subsp. finnii, T. pseudethanolicus, and T. wiegelii were exposed to increased CO concentrations in the headspace, while growth, glucose consumption and product formation were monitored. Remarkably, glucose conversion rates by Thermoanaerobacter species were not affected by CO. All the tested strains fermented glucose to mainly lactate, ethanol, acetate, and hydrogen, but final product concentrations differed. In the presence of CO, ethanol production was generally less affected, but H2 production decreased with increasing CO partial pressure. This study highlights the CO resistance of Thermoanaerobacter species.
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