1. Unit startpage
  2. Employees
  3. Alexander Tøsdal Tveit
Bilde av Tveit, Alexander Tøsdal
Bilde av Tveit, Alexander Tøsdal
Førsteamanuensis Árktalaš ja mariinna biologiija instituhtta alexander.t.tveit@uit.no +4777644401 Tromsø You can find me here

Alexander Tøsdal Tveit

  • Andrew Hodson, Gabrielle Emma Kleber, Stephen Matthew Platt, Dimitri Stanislas Desire Kalenitchenko, Geert Hengsens, Tristram Irvine-Fynn et al.:
    Methane in Svalbard (SvalGaSess)
    2025 DOI / ARKIV
  • Mathilde Borg Dahl, Stella Brachmann, Andrea Söllinger, Marina Schnell, Laureen Sarah Ahlers, Magdalena Wutkowska et al.:
    Quantifying Soil Microbiome Abundance by Metatranscriptomics and Complementary Molecular Techniques—Cross-Validation and Perspectives
    Molecular Ecology Resources 2025 DOI
  • Tilman John Siegfried Schmider, Anne Grethe Hestnes, Julia Brzykcy, Hannes Schmidt, Arno Schintlmeister, Benjamin Roller et al.:
    Physiological basis for atmospheric methane oxidation and methanotrophic growth on air
    Nature Communications 2024 DOI / ARKIV
  • Andrea Söllinger, Laureen Sarah Ahlers, Mathilde Borg Dahl, Páll Sigurðsson, Coline Le Noir de Carlan, Biplabi Bhattarai et al.:
    Microorganisms in subarctic soils are depleted of ribosomes under short-, medium-, and long-term warming
    The ISME Journal 2024 DOI / ARKIV
  • Lisa-Marie Delpech, Alexander Tøsdal Tveit, Andrew Hodson, Kevin P. Hand, Dimitri Stanislas Desire Kalenitchenko :
    Chemolithoautotrophic bacteria flourish at dark water-ice interfaces of an emerged Arctic cold seep
    The ISME Journal 2024 DOI / ARKIV
  • Shalaka Kiran Patil, Tajul Islam, Alexander Tøsdal Tveit, Andrew Hodson, Lise Øvreås :
    Targeting methanotrophs and isolation of a novel psychrophilic Methylobacter species from a terrestrial Arctic alkaline methane seep in Lagoon Pingo, Central Spitsbergen (78° N)
    Antonie van Leeuwenhoek. International Journal of General and Molecular Microbiology 2024 DOI / ARKIV
  • Maria Scheel, Athanasios Zervas, Ruud Rijkers, Alexander Tøsdal Tveit, Flemming Ekelund, Francisco Campuzano Jiménez et al.:
    Abrupt permafrost thaw triggers activity of copiotrophs and microbiome predators
    FEMS Microbiology Ecology 2023 DOI / ARKIV
  • Victor William Christophe Seppey, Léa Cabrol, Frederic Thalasso, Laure Gandois, Céline Lavergne, Karla Martinez-Cruz et al.:
    Biogeography of microbial communities in high-latitude ecosystems: Contrasting drivers for methanogens, methanotrophs and global prokaryotes
    Environmental Microbiology 2023 DOI / ARKIV
  • Alexander Tveit, Andrea Söllinger, Edda Marie Rainer, Alena Didriksen, Anne Grethe Hestnes, Liabo Motleleng et al.:
    Thermal acclimation of methanotrophs from the genus Methylobacter
    The ISME Journal 2023 DOI / ARKIV
  • Mathilde Borg Dahl, Andrea Söllinger, Páll Sigurðsson, Ivan Janssens, Josep Peñuelas, Bjarni D. Sigurdsson et al.:
    Long-term warming-induced trophic downgrading in the soil microbial food web
    Soil Biology and Biochemistry 2023 DOI / ARKIV
  • Andrea Söllinger, Joana Séneca, Mathilde Borg Dahl, Liabo Lillien Motleleng, Judith Prommer, Erik Verbruggen et al.:
    Down-regulation of the bacterial protein biosynthesis machinery in response to weeks, years, and decades of soil warming
    Science Advances 2022 DOI / ARKIV
  • Åshild Ønvik Pedersen, P. Convey, Kevin K. Newsham, Jesper Bruun Mosbacher, Eva Fuglei, Virve Ravolainen et al.:
    Five decades of terrestrial and freshwater research at Ny-Ålesund, Svalbard
    Polar Research 2022 DOI / ARKIV
  • Maialen Barret, Laure Gandois, Frederic Thalasso, K Martinez Cruz, Armando Jauregui, C. Lavergne et al.:
    A combined microbial and biogeochemical dataset from high-latitude ecosystems with respect to methane cycle.
    Scientific Data 2022 DOI / ARKIV
  • Kathrin Marina Bender, Mette Marianne Svenning, Yuntao Hu, Andreas Richter, Julia Schückel, Bodil Jørgensen et al.:
    Microbial responses to herbivory-induced vegetation changes in a high-Arctic peatland Download
    Polar Biology 2021 DOI / ARKIV
  • Joana Séneca, Andrea Söllinger, Craig W. Herbold, Petra Pjevac, Judith Prommer, Erik Verbruggen et al.:
    Increased microbial expression of organic nitrogen cycling genes in long-term warmed grassland soils
    ISME Communications 2021 DOI
  • Edda Marie Rainer, Victor William Christophe Seppey, Caroline Hammer, Mette Marianne Svenning, Alexander Tveit :
    The influence of above-ground herbivory on the response of arctic soil methanotrophs to increasing CH4 concentrations and temperatures
    Microorganisms 2021 DOI / ARKIV
  • Sizhong Yang, Susanne Liebner, Mette Marianne Svenning, Alexander Tveit :
    Decoupling of microbial community dynamics and functions in Arctic peat soil exposed to short term warming
    Molecular Ecology 2021 DOI / ARKIV
  • Alexander Tøsdal Tveit, Tilman Schmider, Anne Grethe Hestnes, Matteus Lindgren, Alena Didriksen, Mette Marianne Svenning :
    Simultaneous Oxidation of Atmospheric Methane, Carbon Monoxide and Hydrogen for Bacterial Growth
    Microorganisms 2021 DOI / ARKIV
  • Alexander Tøsdal Tveit, Andrea Kiss, Mathias Winkel, Fabian Horn, Tomáš Hájek, Mette Marianne Svenning et al.:
    Environmental patterns of brown moss- and Sphagnum-associated microbial communities
    Scientific Reports 2020 DOI
  • Edda Marie Rainer, Victor William Christophe Seppey, Alexander Tøsdal Tveit, Mette Marianne Svenning :
    Methanotroph populations and CH4 oxidation potentials in high-Arctic peat are altered by herbivory induced vegetation change
    FEMS Microbiology Ecology 2020 DOI / ARKIV
  • Lea Cabrol, Frederic Thalasso, Laure Gandois, Armando Sepulveda-Jauregui, Karla Martinez-Cruz, Roman Teisserenc et al.:
    Anaerobic oxidation of methane and associated microbiome in anoxic water of Northwestern Siberian lakes
    Science of the Total Environment 2020 DOI / ARKIV
  • Alejandro Salgado Flores, Alexander Tøsdal Tveit, Andre-Denis Wright, Phillip Pope, Monica Alterskjær Sundset :
    Characterization of the cecum microbiome from wild and captive rock ptarmigans indigenous to Arctic Norway
    PLOS ONE 2019 DOI / ARKIV
  • Alexander Tøsdal Tveit, Anne Grethe Hestnes, Serina Lee Robinson, Arno Schintlmeister, Svetlana N. Dedysh, Nico Jehmlich et al.:
    Widespread soil bacterium that oxidizes atmospheric methane
    Proceedings of the National Academy of Sciences of the United States of America (PNAS) 2019 DOI / ARKIV
  • Andrea Söllinger, Alexander Tøsdal Tveit, Morten Poulsen, Samantha Joan Noel, Mia M. B. Bengtsson, Jörg Bernhardt et al.:
    Holistic Assessment of Rumen Microbiome Dynamics through Quantitative Metatranscriptomics Reveals Multifunctional Redundancy during Key Steps of Anaerobic Feed Degradation
    mSystems 2018 DOI / ARKIV
  • Carsten Suhr Jacobsen, Tue Kjærgaard Nielsen, Jan Kjølhede Vester, Peter Stougaard, Jeppe Lund Nielsen, Jana Voriskova et al.:
    Inter-laboratory testing of the effect of DNA blocking reagent G2 on DNA extraction from low-biomass clay samples
    Scientific Reports 2018 DOI / ARKIV
  • Andrea Söllinger, Clarissa Schwab, Thomas Weinmaier, Alexander Loy, Alexander Tøsdal Tveit, Christa Schleper et al.:
    Phylogenetic and genomic analysis of Methanomassiliicoccales in wetlands and animal intestinal tracts reveals clade-specific habitat
    FEMS Microbiology Ecology 2016 DOI / ARKIV
  • Ragnhild Helene Grøholt Pryt, Andrea Söllinger, Camilla Svensen, Alexander Tøsdal Tveit :
    Seasonal dynamics in RNA:DNA ratios of marine microbial communities in a high latitude estuary.
    UiT Norges arktiske universitet 2025 DOI
  • Marja Helena Gächter, Karley Campbell, Alexander Tøsdal Tveit :
    Experimental Assessment of Sea Ice Bacterial Respiration Potential
    08. Mar 2025
  • Silje Sofie Waaler Pedersen, Jemma Louise Wadham, Philipp Kurt Wolf Assmy, Alexander Tøsdal Tveit, Pedro Duarte, Group MSCA Doctoral Network ICEBIO :
    MCSA ICEBIO - Center for glacial biome doctoral network
    2025
  • Sylvain Monteux, Gesche Blume-Werry, Stef Bokhorst, Kari Anne Bråthen, Elisabeth Cooper, Stephen James Coulson et al.:
    Introducing the Circum-Arctic Present and Future Ecology of the Soil Food Web Group
    Verhandlungen der Gesellschaft für Ökologie 2024
  • Andrea Söllinger, Laureen Ahlers, Mathilde Borg Dahl, Pall Sigurdsson, Liabo Motleleng, Eva Marie Breines et al.:
    Is soil microbial biomass depleted of ribosomes under short-, medium-, and long-term warming?
    2023
  • Dimitri Kalenitchenko, Tilman Schmider, Pernille Fåne, Franziska Nigel, Annemarie Mol, Mette Marianne Svenning et al.:
    Arctic terrestrial seeps; an overlooked microbial methane sink?
    2022
  • Andrea Söllinger, Joana Séneca, Mathilde Dahl, Liabo Motleleng, Judith Prommer, Erik Verbruggen et al.:
    Physiological responses of soil microorganisms to weeks, years, and decades of soil warming
    2022
  • Shalaka Kiran Patil, Andrew Hodson, Francesca Naletto, Nusar Likar, Stefan Thiele, Alexander Tveit et al.:
    Microbial Community Structure in Lagoon pingo, a terrestrial methane seep in Central Spitsbergen
    2022
  • Shalaka Kiran Patil, Andrew Hodson, Stefan Thiele, Alexander Tveit, Lise Øvreås :
    Microbial community patterns from methane seep sediment at Lagoon pingo in Svalbard
    2022
  • Yngvild Bjørdal, Kathrin Marina Bender, Liabo Motleleng, Bente Lindgård, Andreas Richter, Victoria Sophie Martin et al.:
    Higher rRNA concentrations lead to elevated methane production rates during cooling in Arctic peatlands?
    2022
  • Kathrin Marina Bender, Andrea Söllinger, Victoria Sophie Martin, Yngvild Bjørdal, Maarten Loonen, Andreas Richter et al.:
    Herbivory-driven vegetation change shapes the soil microbial food web in high-Arctic peat
    2022
  • Andrea Söllinger, Alexander Tveit :
    What’s new in Tromsø?
    2021
  • Andrea Söllinger, Borg Dahl Mathilde, Joana Séneca, Judith Prommer, Erik Verbruggen, Bjarni D. Sigurdsson et al.:
    Central Metabolic Responses of Microorganisms to Years and Decades of Soil Warming
    2021
  • Mette Marianne Svenning, Alexander Tøsdal Tveit :
    Soil bacterium that lives on air
    20. Aug 2020
  • Andrea Söllinger, Alexander Tveit :
    Metatranscriptomics revealed multi-layered microbial responses to long-term soil warming
    2020
  • Pernille Fåne, Dimitri Kalenitchenko, Alexander Tøsdal Tveit :
    Novel methanotrophic community assemblages in a terrestrial methane seep in Svalbard
    UiT Norges arktiske universitet 14. Aug 2020
  • Joana Séneca, Andrea Söllinger, Alexander Tveit, Petra Pjevac, Craig W. Herbold, Tim Urich et al.:
    Soil warming leads to an up-regulation of genes involved in the decomposition of organic N in a subarctic grassland
    2020
  • Andrea Söllinger, Tilman Schmider, Alexander Tveit :
    Temporal Dynamics of Cold-Adapted CH4-Cycling Microorganisms & Microbial Communities in a Changing Arctic
    2019
  • Andrea Söllinger, Alexander Tveit :
    Natural soil warming of Icelandic grasslands – metatranscriptomic insights – mRNA
    2019
  • Alexander Tøsdal Tveit, Mette Marianne Svenning, Andreas Richter, Thomas Rattei, Rares Luciacu :
    Temperature Adaptations in Arctic Peat Microbiota
    2017
  • Alexander Tøsdal Tveit, Alena Didriksen, Hans-Jorg Hellinger, Thomas Rattei, Mette Svenning :
    Regulatory and evolutionary temperature adaptations in globally important methane oxidizing bacteria of the genus Methylobacter
    2016
  • Alexander Tøsdal Tveit, Alena Didriksen, Hans-Jorg Hellinger, Thomas Rattei, Mette Svenning :
    Regulatory and evolutionary temperature adaptations in globally important methane oxidizing bacteria of the genus Methylobacter
    2016
  • Alexander Tøsdal Tveit, Alena Didriksen, Hans-Jorg Hellinger, Thomas Rattei, Mette Marianne Svenning :
    Regulatory temperature adaptations the in globally important methane oxidizing bacterium Methylobacter tundripaludum
    2016
  • M. Barret, L. Cabrol, C. Lavergne, P. Aguilar, F. Thalasso, A. Sepulveda et al.:
    Diversity and activity of methane-linked microbial communities in high latitude ecosystems affected by climate change
    2016

    • The 50 latest publications is shown on this page. See all publications in Cristin here →
    Biologibygget 2.028


    Click for bigger map

    Attachments: