ArticleCommunications biology2024
Candidatus Desulforudis audaxviator dominates a 975 m deep groundwater community in central Sweden.
Article in Communications biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Groundwater microbial communities across the terrestrial subsurface.Nature microbiology · 2026Review
- Exploring microbial diversity using cell-size fractionated enrichment incubations from subsurface aquifers at Äspö, Sweden.Communications biology · 2026Article
- Deep subsurface organic-rich shale supports abundant, diverse, and novel fungi.The ISME journal · 2026Article
- Groundwater Microbial Diversity Associated With Icelandic Basaltic Subsurface Environments.Environmental microbiology reports · 2025Article
- Subsurface Life on Earth as a Key to Unlock Extraterrestrial Mysteries.Microbial biotechnology · 2025Review
- A global deep terrestrial biosphere core microbiome.ISME communications · 2025Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
The continental bedrock contains groundwater-bearing fractures that are home to microbial populations that are vital in mediating the Earth's biogeochemical cycles. However, their diversity is poorly understood due to the difficulty of obtaining samples from this environment. Here, a groundwater-bearing fracture at 975 m depth was isolated by employing packers in order to characterize the microbial community via metagenomes combined with prokaryotic and eukaryotic marker genes (16S and 18S ribosomal RNA gene). Genome-resolved analyses revealed a community dominated by sulfate-reducing Bacillota, predominantly represented by Candidatus Desulforudis audaxviator and with Wood-Ljungdahl as the most prevalent pathway for inorganic carbon fixation. Moreover, the eukaryotic community had a considerable diversity and was comprised of mainly flatworms, chlorophytes, crustaceans, ochrophytes, and fungi. These findings support the important role of the Bacillota, with the sulfate reducer Candidatus Desulforudis audaxviator as its main representative, as primary producers in the often energy-limited groundwaters of the continental subsurface.
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Registered trials
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