Andrea Söllinger

Vegetation cover shapes community structure and metabolic genetic potential of high- alpine soil microbiomes

Laureen S. Ahlers, Massimo Bourquin, Eduard Vico-Oton, Gordanna Pistoletti Blanchet et autres

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Microbial mechanisms controlling methane-temperature hysteresis in wetlands.

Yngvild Bjørdal, Kathrin Marina Bender, Victoria Martin, Liabo L. Motleleng et autres

Methane (CH4)-temperature hysteresis, i.e., significantly higher CH₄ emissions in autumn compared to spring at equivalent temperatures, have been observed in wetlands globally. However, the biological basis for these seasonal changes in the effect of temperature on wetland CH₄ emissions remain unexplained.Peat soil …

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Quantifying the role of trophic guilds in soil organic carbon mineralization

Mathilde Borg Dahl, Fabrizzio Protti- Sánchez, Verena Groß, Anna Burns et autres

Soil organic carbon (SOC) is a critical carbon pool on the planet, essential for soil functions and services such as climate regulation through C sequestration. SOC is dynamically recycled within microbial biomass and channelled into long term storage in the soil (the …

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Seasonal and experimental warming alter alpine soil microbiomes and in-situ CO2 and CH4 fluxes

Laureen S Ahlers, Massimo Bourquin, Eduard Vico Oton, Beat Frey et autres

Alpine ecosystems are highly vulnerable to climate change, yet the effects of warming on high-altitude soils remain largely unexplored. In particular, it is unclear how soil microbial communities will adapt to rising temperatures and how this will influence greenhouse gas (GHG) fluxes, …

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Soil trace gas oxidizers divergently respond to short- and long-term warming

Thanh Nguyen-Dinh, Vojtěch Tláskal, Pok Man Leung, Magdalena Wutkowska et autres

Abstract The upland soil microbiome is dominated by aerobic bacteria that oxidize atmospheric trace gases, including CO, H 2 , and CH 4 . As a result, soils are the largest biological sink for these climate-active gases. Whether global warming will enhance …

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Quantifying Soil Microbiome Abundance by Metatranscriptomics and Complementary Molecular Techniques—Cross‐Validation and Perspectives

Mathilde Borg Dahl, Stella Brachmann, Andrea Söllinger, Laureen S Ahlers et autres

ABSTRACT Linking meta‐omics and biogeochemistry approaches in soils has remained challenging. This study evaluates the use of an internal RNA extraction standard and its potential for making quantitative estimates of a given microbial community size (biomass) in soil metatranscriptomics. We evaluate commonly …

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Cascading effects of Arctic tundra herbivory on above- and belowground biomass, soil biogeochemistry, and soil (microbial) food webs

Andrea Söllinger, Kathrin M. Bender, V. J. Martin, Yngvild Bjørdal et autres

Climate change affects herbivore populations and their migration patterns and feeding grounds in High-Arctic tundra ecosystems. Knowledge about the ecosystem-scaled impacts of environmental changes in the High-Arctic, including changes in herbivore grazing pressure, requires long-term perspectives and the integration of above- and …

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Physiological basis for atmospheric methane oxidation and methanotrophic growth on air

Tilman Schmider, Anne Grethe Hestnes, Julia Brzykcy, Hannes Schmidt et autres

Atmospheric methane oxidizing bacteria (atmMOB) constitute the sole biological sink for atmospheric methane. Still, the physiological basis allowing atmMOB to grow on air is not well understood. Here we assess the ability and strategies of seven methanotrophic species to grow with air …

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Microorganisms in subarctic soils are depleted of ribosomes under short-, medium-, and long-term warming

Andrea Söllinger, Laureen S Ahlers, Mathilde Borg Dahl, Páll Sigurðsson et autres

Physiological responses of soil microorganisms to global warming are important for soil ecosystem function and the terrestrial carbon cycle. Here, we investigate the effects of weeks, years, and decades of soil warming across seasons and time on the microbial protein biosynthesis machineries …

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Metabolic Basis for the Microbial Oxidation of Atmospheric Methane

Tilman Schmider, Anne Grethe Hestnes, Hannes Schmidt, Arno Schintlmeister et autres

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Long-term warming-induced trophic downgrading in the soil microbial food web

Mathilde Borg Dahl, Andrea Söllinger, Páll Sigurðsson, Ivan A. Janssens et autres

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Investigating the effect of temperature on growth and microbial biomass accumulation during winter

Christoph Gall, Lucia Fuchslueger, Hannes Schmidt, Andrea Söllinger et autres

It is well documented that microbial biomass increases during winter in cold mountain or tundra ecosystems, but the cause and mechanism of such accumulation is unclear. Results from a grassland in Iceland demonstrated that the microbial biomass carbon (MBC, measured by the …

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