ArticleNature communications2021
Brockarchaeota, a novel archaeal phylum with unique and versatile carbon cycling pathways.
Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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28 citing papers in PubMed, 66 citations in OpenAlex.
- Article
- Phylogenomics of Asgard archaea reveals a unique blend of prokaryotic-like horizontal transfer and eukaryotic-like gene duplication.Nature communications · 2026Article
- Unraveling the diversity, function, and virus-host interactions of archaeal proviruses.ISME communications · 2026Article
- Ecological distribution and environmental preference of the deep-branching archaeal lineage in high-temperature hot springs of Central Kyushu, Japan.Extremophiles : life under extreme conditions · 2025Article
- Polysaccharide-degrading archaea dominate acidic hot springs: genomic and cultivation insights into a novelmSystems · 2025Article
- Genomic characterisation of novel extremophile lineages from the thalassohaline lake Dziani Dzaha expands the metabolic repertoire of the PVC superphylum.Environmental microbiome · 2025Article
- Unveiling the life of archaea in sediments: Diversity, metabolic potentials, and ecological roles.iMetaOmics · 2025Review
- Recovery of nearly 3,000 archaeal genomes from 152 terrestrial geothermal spring metagenomes.Scientific data · 2025Article
- Article
- The dynamic history of prokaryotic phyla: discovery, diversity and division.International journal of systematic and evolutionary microbiology · 2024Review
- Asgard archaea modulate potential methanogenesis substrates in wetland soil.Nature communications · 2024Article
- Article
- Article
- Analysis of nearly 3000 archaeal genomes from terrestrial geothermal springs sheds light on interconnected biogeochemical processes.Nature communications · 2024Article
- Methylotrophy in the Mire: direct and indirect routes for methane production in thawing permafrost.mSystems · 2024Article
- Metabolic features that select for Bathyarchaeia in modern ferruginous lacustrine subsurface sediments.ISME communications · 2024Article
- Well-hidden methanogenesis in deep, organic-rich sediments of Guaymas Basin.The ISME journal · 2023Article
- Discovery of a novel bacterial class with the capacity to drive sulfur cycling and microbiome structure in a paleo-ocean analog.ISME communications · 2023Article
- Taxonomic and carbon metabolic diversification of Bathyarchaeia during its coevolution history with early Earth surface environment.Science advances · 2023Article
- Evidence for nontraditionalScience advances · 2023Article
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Authors and funding
8 authors at 6 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Geothermal environments, such as hot springs and hydrothermal vents, are hotspots for carbon cycling and contain many poorly described microbial taxa. Here, we reconstructed 15 archaeal metagenome-assembled genomes (MAGs) from terrestrial hot spring sediments in China and deep-sea hydrothermal vent sediments in Guaymas Basin, Gulf of California. Phylogenetic analyses of these MAGs indicate that they form a distinct group within the TACK superphylum, and thus we propose their classification as a new phylum, 'Brockarchaeota', named after Thomas Brock for his seminal research in hot springs. Based on the MAG sequence information, we infer that some Brockarchaeota are uniquely capable of mediating non-methanogenic anaerobic methylotrophy, via the tetrahydrofolate methyl branch of the Wood-Ljungdahl pathway and reductive glycine pathway. The hydrothermal vent genotypes appear to be obligate fermenters of plant-derived polysaccharides that rely mostly on substrate-level phosphorylation, as they seem to lack most respiratory complexes. In contrast, hot spring lineages have alternate pathways to increase their ATP yield, including anaerobic methylotrophy of methanol and trimethylamine, and potentially use geothermally derived mercury, arsenic, or hydrogen. Their broad distribution and their apparent anaerobic metabolic versatility indicate that Brockarchaeota may occupy previously overlooked roles in anaerobic carbon cycling.
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