ArticleThe ISME journal2023
Microbial gene expression in Guaymas Basin subsurface sediments responds to hydrothermal stress and energy limitation.
Article in The ISME journal, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 14 citations in OpenAlex.
- From CRISPR-Cas to Argonautes: Defense systems of bacteria and archaea in the hydrothermal deep subsurface.ISME communications · 2026Article
- Tracking active heterotrophic microbial communities in the Guaymas Basin deep biosphere with BONCAT-FACS.ISME communications · 2026Article
- Moderate heating renders 7.8-million-year-old sedimentary organic matter bioavailable.Science advances · 2025Article
- Clumped isotopes of methane trace bioenergetics in the environment.Science advances · 2025Article
- Exploration of the advantages of targeted isolation of deep-sea microorganisms and genetically engineered strains.World journal of microbiology & biotechnology · 2024Review
- Microbial anabolic and catabolic utilization of hydrocarbons in deep subseafloor sediments of Guaymas Basin.FEMS microbiology ecology · 2024Article
- A PCR-Based Survey of Methane-Cycling Archaea in Methane-Soaked Subsurface Sediments of Guaymas Basin, Gulf of California.Microorganisms · 2023Article
- Metagenomic profiles of archaea and bacteria within thermal and geochemical gradients of the Guaymas Basin deep subsurface.Nature communications · 2023Article
Corrections and comments
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Authors and funding
6 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Analyses of gene expression of subsurface bacteria and archaea provide insights into their physiological adaptations to in situ subsurface conditions. We examined patterns of expressed genes in hydrothermally heated subseafloor sediments with distinct geochemical and thermal regimes in Guaymas Basin, Gulf of California, Mexico. RNA recovery and cell counts declined with sediment depth, however, we obtained metatranscriptomes from eight sites at depths spanning between 0.8 and 101.9 m below seafloor. We describe the metabolic potential of sediment microorganisms, and discuss expressed genes involved in tRNA, mRNA, and rRNA modifications that enable physiological flexibility of bacteria and archaea in the hydrothermal subsurface. Microbial taxa in hydrothermally influenced settings like Guaymas Basin may particularly depend on these catalytic RNA functions since they modulate the activity of cells under elevated temperatures and steep geochemical gradients. Expressed genes for DNA repair, protein maintenance and circadian rhythm were also identified. The concerted interaction of many of these genes may be crucial for microorganisms to survive and to thrive in the Guaymas Basin subsurface biosphere.
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Registered trials
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