ArticleEnvironmental microbiology2018
Gene expression and ultrastructure of meso- and thermophilic methanotrophic consortia.
Article in Environmental microbiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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Who cites it
53 citing papers in PubMed, 124 citations in OpenAlex.
- Biophotocatalytic and bioelectrocatalytic strategies for methane production and oxidation: emerging pathways and perspectives.Archives of microbiology · 2026Review
- Methanoperedenaceae archaea: a 20-year research journey.Nature communications · 2026Review
- Alkane-oxidizing consortia produce substantial amounts of disaccharides.Frontiers in microbiology · 2026Article
- Anaerobic oxidation of methane supports a minimal microbial community in a subsurface biofilm at Ginsburg mud volcano.ISME communications · 2026Article
- Redox conduction facilitates direct interspecies electron transport in anaerobic methanotrophic consortia.Science advances · 2025Article
- Methanotrophic Flexibility of 'Ca. Methanoperedens' and Its Interactions With Sulphate-Reducing Bacteria in the Sediment of Meromictic Lake Cadagno.Environmental microbiology · 2025Article
- Identification of key steps in the evolution of anaerobic methanotrophy inScience advances · 2025Article
- A widespread and ancient bacterial machinery assembles cytochrome OmcS nanowires essential for extracellular electron transfer.Cell chemical biology · 2025Article
- Ethane-oxidising archaea couple CONature communications · 2024Article
- Physiological and transcriptomic response to methyl-coenzyme M reductase limitation inApplied and environmental microbiology · 2024Article
- Physiological versatility of ANME-1 and Bathyarchaeotoa-8 archaea evidenced by inverse stable isotope labeling.Microbiome · 2024Article
- Structural and mechanistic basis of the central energy-converting methyltransferase complex of methanogenesis.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Mechanisms of extracellular electron transfer in anaerobic methanotrophic archaea.Nature communications · 2024Article
- Sheaths are diverse and abundant cell surface layers in archaea.The ISME journal · 2024Article
- Complex bacterial diversity of Guaymas Basin hydrothermal sediments revealed by synthetic long-read sequencing (LoopSeq).Frontiers in microbiology · 2024Article
- Multi-heme cytochrome-mediated extracellular electron transfer by the anaerobic methanotroph 'Candidatus Methanoperedens nitroreducens'.Nature communications · 2023Article
- A comprehensive genomic catalog from global cold seeps.Scientific data · 2023Article
- Physiological potential and evolutionary trajectories of syntrophic sulfate-reducing bacterial partners of anaerobic methanotrophic archaea.PLoS biology · 2023Article
- Thermal Selection of Microbial Communities and Preservation of Microbial Function in Guaymas Basin Hydrothermal Sediments.Applied and environmental microbiology · 2023Article
- Iron or sulfur respiration-an adaptive choice determining the fitness of a natronophilic bacteriumFrontiers in microbiology · 2023Article
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Authors and funding
7 authors at 4 institutions in 1 country.
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Abstract
The sulfate-dependent, anaerobic oxidation of methane (AOM) is an important sink for methane in marine environments. It is carried out between anaerobic methanotrophic archaea (ANME) and sulfate-reducing bacteria (SRB) living in syntrophic partnership. In this study, we compared the genomes, gene expression patterns and ultrastructures of three phylogenetically different microbial consortia found in hydrocarbon-rich environments under different temperature regimes: ANME-1a/HotSeep-1 (60°C), ANME-1a/Seep-SRB2 (37°C) and ANME-2c/Seep-SRB2 (20°C). All three ANME encode a reverse methanogenesis pathway: ANME-2c encodes all enzymes, while ANME-1a lacks the gene for N5,N10-methylene tetrahydromethanopterin reductase (mer) and encodes a methylenetetrahydrofolate reductase (Met). The bacterial partners contain the genes encoding the canonical dissimilatory sulfate reduction pathway. During AOM, all three consortia types highly expressed genes encoding for the formation of flagella or type IV pili and/or c-type cytochromes, some predicted to be extracellular. ANME-2c expressed potentially extracellular cytochromes with up to 32 hemes, whereas ANME-1a and SRB expressed less complex cytochromes (≤ 8 and ≤ 12 heme respectively). The intercellular space of all consortia showed nanowire-like structures and heme-rich areas. These features are proposed to enable interspecies electron exchange, hence suggesting that direct electron transfer is a common mechanism to sulfate-dependent AOM, and that both partners synthesize molecules to enable it.
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