ArticleNature communications2022
Rapid metabolism fosters microbial survival in the deep, hot subseafloor biosphere.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
What it found
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Who cites it
23 citing papers in PubMed.
- Surface sediment microbial communities remain viable, culturable, and metabolically active during sequential heating.Frontiers in microbiology · 2026Article
- Microbial diversity and community shifts in a petroleum reservoir under production: effects of water breakthrough and anthropogenic alterations.Frontiers in microbiology · 2026Article
- Subsurface microbiology and the pressing societal need to support future exploration.FEMS microbiology ecology · 2025Review
- Eutrophication Reshapes Microbial Communities and Life-History Strategies in the Riverine Ecosystems.Environmental microbiology reports · 2025Article
- 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
- Metagenomic insights into taxonomic and functional patterns in shallow coastal and deep subseafloor sediments in the Western Pacific.Microbial genomics · 2025Article
- Natural hydrogen in the volcanic-bearing sedimentary basin: Origin, conversion, and production rates.Science advances · 2025Article
- Single-cell analysis reveals an active and heterotrophic microbiome in the Guaymas Basin deep subsurface with significant inorganic carbon fixation by heterotrophs.Applied and environmental microbiology · 2024Article
- Genomic insights into Penicillium chrysogenum adaptation to subseafloor sedimentary environments.BMC genomics · 2024Article
- Metagenomic profiles of archaea and bacteria within thermal and geochemical gradients of the Guaymas Basin deep subsurface.Nature communications · 2023Article
- Well-hidden methanogenesis in deep, organic-rich sediments of Guaymas Basin.The ISME journal · 2023Article
- Microbial gene expression in Guaymas Basin subsurface sediments responds to hydrothermal stress and energy limitation.The ISME journal · 2023Article
- Profile of Bo Barker Jørgensen.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- N/S element transformation modulating lithospheric microbial communities by single-species manipulation.Microbiome · 2023Article
- Cultivation of Piezotolerant and Piezophilic Hyperthermophiles with a Newly Developed Constant High Pressure and Temperature Culturing and Monitoring System.Microbes and environments · 2023Article
- Deep Subseafloor Biogeochemical Processes and Microbial Populations Potentially Associated with the 2011 Tohoku-oki Earthquake at the Japan Trench Accretionary Wedge (IODP Expedition 343).Microbes and environments · 2023Article
- Liquid scintillation counting at the limit of detection in biogeosciences.Frontiers in microbiology · 2023Article
- Cell-specific rates of sulfate reduction and fermentation in the sub-seafloor biosphere.Frontiers in microbiology · 2023Article
- Hyperthermophilic endospores germinate and metabolize organic carbon in sediments heated to 80°C.Environmental microbiology · 2022Article
Corrections and comments
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Authors and funding
15 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A fourth of the global seabed sediment volume is buried at depths where temperatures exceed 80 °C, a previously proposed thermal barrier for life in the subsurface. Here, we demonstrate, utilizing an extensive suite of radiotracer experiments, the prevalence of active methanogenic and sulfate-reducing populations in deeply buried marine sediment from the Nankai Trough subduction zone, heated to extreme temperature (up to ~120 °C). The small microbial community subsisted with high potential cell-specific rates of energy metabolism, which approach the rates of active surface sediments and laboratory cultures. Our discovery is in stark contrast to the extremely low metabolic rates otherwise observed in the deep subseafloor. As cells appear to invest most of their energy to repair thermal cell damage in the hot sediment, they are forced to balance delicately between subsistence near the upper temperature limit for life and a rich supply of substrates and energy from thermally driven reactions of the sedimentary organic matter.
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