ArticleProceedings of the National Academy of Sciences of the United States of America2024
Principal role of fungi in soil carbon stabilization during early pedogenesis in the high Arctic.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed.
- Piezophilic activity dominates the Puerto Rico Trench deep subseafloor biosphere.bioRxiv : the preprint server for biology · 2026Article
- The Biodiversity of Retreating Glaciers Leaves an Ecological Legacy in Emerging Soil Communities.Global change biology · 2026Article
- From disturbance to resilience: early microbial community establishment in landslide soils of New Zealand.FEMS microbiology ecology · 2026Article
- Seasonal thawing of high Arctic soils triggers selective microbial growth and predation.mSystems · 2026Article
- Fungen: clustering and correcting long-read metatranscriptomic data for exploring eukaryotic microorganisms.Science China. Life sciences · 2026Article
- Fungi enhance microbial carbon retention in high Arctic fjord sediment.PLoS biology · 2026Article
- Current and projected effects of climate change in cryosphere microbial ecosystems.Nature reviews. Microbiology · 2026Review
- Multi-omics reveals nitrogen dynamics associated with soil microbial blooms during snowmelt.Nature microbiology · 2026Article
- Contrasting nutrient retention in alpine soils: the role of soil microbiome in phosphorus and nitrogen mobility in scree and meadow environments.FEMS microbiology ecology · 2026Article
- Conservation agriculture buffers persistent carbon loss under warming by microbial adaptation.The ISME journal · 2026Article
- Integrated biochar and green manure improve maize productivity and soil health under reduced nitrogen fertilization in yellow soil.Frontiers in plant science · 2026Article
- Niche-Driven Bacterial Assembly Versus Weak Geographical Divergence of Fungi in the Rhizosheath of Desert PlantPlants (Basel, Switzerland) · 2025Article
- Metabolically flexible microorganisms rapidly establish glacial foreland ecosystems.Nature communications · 2025Article
- Organic matter degradation by oceanic fungi differs between polar and non-polar waters.Nature communications · 2025Article
- Short-term virus-host interactions and functional dynamics in recently deglaciated Antarctic tundra soils.ISME communications · 2025Article
- Biological soil crust microcolonies reveal how microbial communities assemble following retreat of a High Arctic glacier.FEMS microbes · 2025Article
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6 authors.
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Abstract
Climate warming is causing widespread deglaciation and pioneer soil formation over glacial deposits. Melting glaciers expose rocky terrain and glacial till sediment that is relatively low in biomass, oligotrophic, and depleted in nutrients. Following initial colonization by microorganisms, glacial till sediments accumulate organic carbon and nutrients over time. However, the mechanisms driving soil nutrient stabilization during early pedogenesis after glacial retreat remain unclear. Here, we traced amino acid uptake by microorganisms in recently deglaciated high-Arctic soils and show that fungi play a critical role in the initial stabilization of the assimilated carbon. Pioneer basidiomycete yeasts were among the predominant taxa responsible for carbon assimilation, which were associated with overall high amino acid use efficiency and reduced respiration. In intermediate- and late-stage soils, lichenized ascomycete fungi were prevalent, but bacteria increasingly dominated amino acid assimilation, with substantially decreased fungal:bacterial amino acid assimilation ratios and increased respiration. Together, these findings demonstrate that fungi are important drivers of pedogenesis in high-Arctic ecosystems that are currently subject to widespread deglaciation from global warming.
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