ArticleApplied microbiology and biotechnology2022
Systems analysis of the effect of hydrogen sulfide on the growth of Methylococcus capsulatus Bath.
Article in Applied microbiology and biotechnology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed, 13 citations in OpenAlex.
- Long-Term Euxinia Restricts Microbial Methane Removal in Eutrophic Coastal Basins.Environmental science & technology · 2025Article
- Dissolved organic matter and sulfide enhance the CHMicrobiology spectrum · 2025Article
- State-of the-Art Constraint-Based Modeling of Microbial Metabolism: From Basics to Context-Specific Models with a Focus on Methanotrophs.Microorganisms · 2023Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
Methanotrophs are bacteria capable on growing on methane as their sole carbon source. They may provide a promising route for upgrading natural gas into more valuable fuels and chemicals. However, natural gas may contain significant quantities of hydrogen sulfide. Little is known about how hydrogen sulfide affects the growth and physiology of methanotrophs aside from a few studies showing that it is inhibitory. This study investigated how hydrogen sulfide affects the growth and physiology of the model methanotroph, Methylococcus capsulatus Bath. Growth studies demonstrated that hydrogen sulfide inhibits the growth of M. capsulatus Bath when the concentration exceeds 0.5% (v/v). To better understand how hydrogen sulfide is inhibiting the growth of M. capsulatus Bath, transcription and metabolite concentrations were profiled using RNA sequencing and gas chromatography-mass spectrometry, respectively. Our analysis of the differentially expressed genes and changes in metabolite concentrations suggests that hydrogen sulfide inhibits cellular respiration. The cells respond to sulfide stress in part by increasing the rate of sulfide oxidation and by increasing the expression of sulfide quinone reductase and a putative persulfide dioxygenase. In addition, they reduce the expression of the native calcium-dependent methanol dehydrogenase and increase the expression of XoxF, a lanthanide-dependent methanol dehydrogenase. While the reason of this switch in unknown, XoxF has previously been shown to be induced by lanthanides or nitric oxide in methanotrophs. Collectively, these results further our understanding of how methanotrophs respond to sulfide stress and may aid in the engineering of strains resistant to hydrogen sulfide. KEY POINTS: • Hydrogen sulfide inhibits growth of Methylococcus capsulatus Bath • Sulfide stress inhibits cellular respiration • Sulfide stress induces XoxF, a lanthanide-dependent methanol dehydrogenase.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.