ArticleProceedings of the National Academy of Sciences of the United States of America2015
Metabolic and trophic interactions modulate methane production by Arctic peat microbiota in response to warming.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 71 papers.
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Who cites it
71 citing papers in PubMed.
- Divergent Responses of Methane Emission to Warming in Waterlogged Versus Drained Alpine Peatlands.Global change biology · 2026Article
- A robust, sensitive phylogenetic method enables gene-level metagenomic analyses.bioRxiv : the preprint server for biology · 2026Article
- Lake sediment heatwaves under global warming.Nature geoscience · 2026Article
- Quantifying Soil Microbiome Abundance by Metatranscriptomics and Complementary Molecular Techniques-Cross-Validation and Perspectives.Molecular ecology resources · 2025Article
- Long-term elevated precipitation promotes an acid metabolic preference in soil microbial communities in a Tibetan alpine grassland.mSystems · 2025Article
- Northern peatland microbial communities exhibit resistance to warming and acquire electron acceptors from soil organic matter.Nature communications · 2025Article
- Metabolic interactions underpinning high methane fluxes across terrestrial freshwater wetlands.Nature communications · 2025Article
- Targeted metagenomics using probe capture detect a larger diversity of nitrogen and methane cycling genes in complex microbial communities than traditional metagenomics.ISME communications · 2025Article
- Microbial polyphenol metabolism is part of the thawing permafrost carbon cycle.Nature microbiology · 2024Article
- Methylotrophy in the Mire: direct and indirect routes for methane production in thawing permafrost.mSystems · 2024Article
- Unraveling microbial processes involved in carbon and nitrogen cycling and greenhouse gas emissions in rewetted peatlands by molecular biology.Biogeochemistry · 2024Article
- Synergy and competition during the anaerobic degradation of N-acetylglucosamine in a methane-emitting, subarctic, pH-neutral fen.Frontiers in microbiology · 2024Article
- Genomic evidence that microbial carbon degradation is dominated by iron redox metabolism in thawing permafrost.ISME communications · 2023Article
- Vegetation type, not the legacy of warming, modifies the response of microbial functional genes and greenhouse gas fluxes to drought in Oro-Arctic and alpine regions.FEMS microbiology ecology · 2023Article
- Abrupt permafrost thaw triggers activity of copiotrophs and microbiome predators.FEMS microbiology ecology · 2023Article
- Methane production bymBio · 2023Article
- Syntrophic Propionate Oxidation: One of the Rate-Limiting Steps of Organic Matter Decomposition in Anoxic Environments.Applied and environmental microbiology · 2023Review
- Thermal acclimation of methanotrophs from the genus Methylobacter.The ISME journal · 2023Article
- Soil microorganisms and methane emissions in response to short-term warming field incubation in Svalbard.Frontiers in microbiology · 2023Article
- Responses of soil micro-eukaryotic communities to decadal drainage in a Siberian wet tussock tundra.Frontiers in microbiology · 2023Article
11 more citing papers are in PubMed but not listed here.
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Authors and funding
4 authors.
Funding
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Abstract
Arctic permafrost soils store large amounts of soil organic carbon (SOC) that could be released into the atmosphere as methane (CH4) in a future warmer climate. How warming affects the complex microbial network decomposing SOC is not understood. We studied CH4 production of Arctic peat soil microbiota in anoxic microcosms over a temperature gradient from 1 to 30 °C, combining metatranscriptomic, metagenomic, and targeted metabolic profiling. The CH4 production rate at 4 °C was 25% of that at 25 °C and increased rapidly with temperature, driven by fast adaptations of microbial community structure, metabolic network of SOC decomposition, and trophic interactions. Below 7 °C, syntrophic propionate oxidation was the rate-limiting step for CH4 production; above this threshold temperature, polysaccharide hydrolysis became rate limiting. This change was associated with a shift within the functional guild for syntrophic propionate oxidation, with Firmicutes being replaced by Bacteroidetes. Correspondingly, there was a shift from the formate- and H2-using Methanobacteriales to Methanomicrobiales and from the acetotrophic Methanosarcinaceae to Methanosaetaceae. Methanogenesis from methylamines, probably stemming from degradation of bacterial cells, became more important with increasing temperature and corresponded with an increased relative abundance of predatory protists of the phylum Cercozoa. We concluded that Arctic peat microbiota responds rapidly to increased temperatures by modulating metabolic and trophic interactions so that CH4 is always highly produced: The microbial community adapts through taxonomic shifts, and cascade effects of substrate availability cause replacement of functional guilds and functional changes within taxa.
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