Helle Tessand Baalsrud

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Academic Interests

My main research interests are centered around the genomic basis of evolutionary adaptation at different time scales and how genomes evolve in the response to evolutionary and ecological processes. I specialize in comparing whole genome sequencing data from different populations or species. I have a special interest in structural genomic variation, which are rearrangements of DNA such as inversions, duplications, deletions, translocations and insertions. Structural variation can have a significant effect on phenotypic traits and thus drive evolutionary adaptation and speciation.

In the COMPARE project lead by Prof. Kjetill S. Jakobsen I am collaborating with immunologists to investigate the evolution of immune genes in Atlantic cod. I am also involved in the Aqua Genome Project – a major population genomics undertaking with whole-genome sequencing data from 885 individuals of Atlantic cod across its geographic range. Lastly I am the PI of the snowy owl population genomics project. I thoroughly enjoy the highly inter-disciplinary nature of these projects.

Publications

  • Matschiner, Michael; Barth, Julia Maria Isis; Tørresen, Ole K.; Star, Bastiaan; Baalsrud, Helle Tessand & Brieuc, Marine Servane Ono [Show all 10 contributors for this article] (2022). Supergene origin and maintenance in Atlantic cod. Nature Ecology and Evolution. ISSN 2397-334X. 6(4), p. 469–481. doi: 10.1038/s41559-022-01661-x. Full text in Research Archive
  • Pinsky, Malin L.; Eikeset, Anne Maria; Helmerson, Cecilia Jenny Margareta Thomas; Bradbury, Ian R.; Bentzen, Paul & Morris, Corey [Show all 17 contributors for this article] (2021). Genomic stability through time despite decades of exploitation in cod on both sides of the Atlantic. Proceedings of the National Academy of Sciences of the United States of America. ISSN 0027-8424. 118(15). doi: 10.1073/pnas.2025453118. Full text in Research Archive
  • Martinez Garcia, Lourdes; Ferrari, Giada; Oosting, Tom; Ballantyne, Rachel; van der Jagt, Inge & Ystgaard, Ingrid [Show all 20 contributors for this article] (2021). Historical demographic processes dominate genetic variation in ancient Atlantic cod mitogenomes. Frontiers in Ecology and Evolution. ISSN 2296-701X. 9, p. 1–14. doi: 10.3389/fevo.2021.671281. Full text in Research Archive
  • Ferrari, Giada; Neukamm, Judith; Baalsrud, Helle Tessand; Breidenstein, Abagail; Ravinet, Mark & Phillips, Carina [Show all 9 contributors for this article] (2020). Variola virus genome sequenced from an eighteenth-century museum specimen supports the recent origin of smallpox. Philosophical Transactions of the Royal Society of London. Biological Sciences. ISSN 0962-8436. 375(1812), p. 1–9. doi: 10.1098/rstb.2019.0572. Full text in Research Archive
  • Nilsson, Pernille; Solbakken, Monica Hongrø; Schmid, Boris Valentijn; Orr, Russell; Lv, Ruichen & Cui, Yujun [Show all 14 contributors for this article] (2020). The Genome of the Great Gerbil Reveals Species-Specific Duplication of an MHCII Gene. Genome Biology and Evolution (GBE). ISSN 1759-6653. 12(2), p. 3832–3849. doi: 10.1093/gbe/evaa008. Full text in Research Archive
  • Roth, Olivia; Solbakken, Monica Hongrø; Tørresen, Ole K.; Bayer, Till; Matschiner, Michael & Baalsrud, Helle Tessand [Show all 12 contributors for this article] (2020). Evolution of male pregnancy associated with remodeling of canonical vertebrate immunity in seahorses and pipefishes. Proceedings of the National Academy of Sciences of the United States of America. ISSN 0027-8424. 117(17), p. 9431–9439. doi: 10.1073/pnas.1916251117.
  • Hoff, Siv Nam Khang; Baalsrud, Helle Tessand; Tooming-Klunderud, Ave; Skage, Morten; Richmond, Todd & Obernosterer, Gregor [Show all 10 contributors for this article] (2018). Long‐read sequence capture of the haemoglobin gene clusters across codfish species. Molecular Ecology Resources. ISSN 1755-098X. 19(1), p. 245–259. doi: 10.1111/1755-0998.12955.
  • Baalsrud, Helle Tessand; Tørresen, Ole Kristian; Solbakken, Monica Hongrø; Salzburger, Walter; Hanel, Reinhold & Jakobsen, Kjetill Sigurd [Show all 7 contributors for this article] (2017). De Novo Gene Evolution of Antifreeze Glycoproteins in Codfishes Revealed by Whole Genome Sequence Data. Molecular Biology and Evolution (MBE). ISSN 0737-4038. 35(3), p. 593–606. doi: 10.1093/molbev/msx311. Full text in Research Archive
  • Baalsrud, Helle Tessand; Voje, Kjetil L.; Tørresen, Ole Kristian; Solbakken, Monica Hongrø; Matschiner, Michael & Malmstrøm, Martin [Show all 10 contributors for this article] (2017). Evolution of Hemoglobin Genes in Codfishes Influenced by Ocean Depth. Scientific Reports. ISSN 2045-2322. 7, p. 1–10. doi: 10.1038/s41598-017-08286-2. Full text in Research Archive
  • Malmstrøm, Martin; Matschiner, Michael; Tørresen, Ole Kristian; Star, Bastiaan; Snipen, Lars-Gustav & Hansen, Thomas F [Show all 13 contributors for this article] (2016). Evolution of the immune system influences speciation rates in teleost fishes. Nature Genetics. ISSN 1061-4036. 48(10), p. 1204–1210. doi: 10.1038/ng.3645. Full text in Research Archive
  • Baalsrud, Helle Tessand; Sæther, Bernt-Erik; Hagen, Ingerid Julie; Myhre, Ane Marlene; Ringsby, Thor Harald & Pärn, Henrik [Show all 7 contributors for this article] (2014). Effects of population characteristics and structure on estimates of effective population size in a house sparrow metapopulation. Molecular Ecology. ISSN 0962-1083. 23(11), p. 2653–2668. doi: 10.1111/mec.12770. Full text in Research Archive

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  • Tørresen, Ole Kristian & Baalsrud, Helle Tessand (2022). The Norwegian Earth Biogenome Project: the snowy owl genome assembly.
  • Tørresen, Ole K.; Baalsrud, Helle Tessand; Sandve, Simen Rød & Jakobsen, Kjetill Sigurd (2022). Bioinfomatic approaches for EBP-Nor.
  • Stenseth, Nils Christian; Baalsrud, Helle Tessand; Jakobsen, Kjetill Sigurd; Brautaset, Trygve; Goksøyr, Anders & Jensen, Nina [Show all 9 contributors for this article] (2021). Havgenomet – bevaring og bærekraftig bruk av marine genetiske ressurser i Norge. In Rist, Therese & Elvevoll, Edel O. (Ed.), Blått kompass - Stø kurs mot bærekraft i norske havnæringer. Senter for hav og Arktis. ISSN 978-82-93806-08-0.
  • Stranden, Anne Lise & Baalsrud, Helle Tessand (2018). Slik fikk torsken herredømme i det iskalde vannet i Arktis. [Internet]. forskning.no.
  • Jensen, Henrik; Stubberud, Marlene Wæge; Baalsrud, Helle Tessand; Holand, Håkon; Kvalnes, Thomas & Hagen, Ingerid Julie [Show all 9 contributors for this article] (2018). Consequences of demographic processes for effective population size in house sparrows.
  • Baalsrud, Helle Tessand (2017). Whole genome sequencing reveals de novo gene evolution of antifreeze glycoproteins in codfishes.
  • Jensen, Henrik; Stubberud, Marlene Wæge; Myhre, Ane Marlene; Baalsrud, Helle Tessand; Holand, Håkon & Kvalnes, Thomas [Show all 10 contributors for this article] (2017). Consequences of demographic processes for genetic drift in house sparrows.
  • Jensen, Henrik; Stubberud, Marlene Wæge; Myhre, Ane Marlene; Baalsrud, Helle Tessand; Holand, Håkon & Kvalnes, Thomas [Show all 10 contributors for this article] (2017). Consequences of demographic processes for effective population size in house sparrows.
  • Baalsrud, Helle Tessand; Tørresen, Ole Kristian; Malmstrøm, Martin; Salzburger, Walter; Jakobsen, Kjetill Sigurd & Jentoft, Sissel (2015). The hemoglobin repertoire in the order of Gadiformes linked to depth adaptation.
  • Hoff, Siv; Baalsrud, Helle Tessand & Jentoft, Sissel (2014). The evolution of the hemoglobin clusters in Gadiformes.
  • Baalsrud, Helle Tessand; Barlow, S; Berenbrink, M & Jentoft, Sissel (2014). Evolution of red blood cell sickling in Gadiformes.
  • Jensen, Henrik; Pärn, Henrik; Hagen, Ingerid Julie; Husby, Arild; Baalsrud, Helle Tessand & Elgvin, Tore Oldeide [Show all 11 contributors for this article] (2014). Consequences of dispersal in house sparrows, and a glimpse of on-going work on house sparrow genomics.
  • Baalsrud, Helle Tessand (2013). Genomic insight into the evolution of cold adaptation in teleosts: the story of hemoglobin.
  • Jensen, Henrik; Baalsrud, Helle Tessand; Hagen, Ingerid Julie; Myhre, Ane Marlene; Holand, Anna Marie & Billing, Anna Maria [Show all 11 contributors for this article] (2013). Spatio-temporal dynamics of genetic variation and effective population size in fragmented house sparrow populations.
  • Baalsrud, Helle Tessand (2012). Characterization of antifreeze proteins in teleost lineages two poles apart: a unique example of convergent evolution.
  • Jacobsen, Karl-Otto; Øien, Ingar Jostein; Aarvak, Tomas; Solheim, Roar; Baalsrud, Helle Tessand & Enevoldsen, Emily Louise Gilbert (2023). Snøuglas økologi og forekomst i Norge. Årsrapport 2023. Norsk institutt for naturforskning (NINA). ISSN 978-82-426-5208-9.
  • Jacobsen, Karl-Otto; Solheim, Roar; Øien, Ingar Jostein; Aarvak, Tomas & Baalsrud, Helle Tessand (2023). Snøuglas økologi og forekomst i Norge. Norsk institutt for naturforskning (NINA). ISSN 978-82-426-5028-3.

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Published Sep. 9, 2012 10:35 AM - Last modified Feb. 1, 2021 3:52 PM

Projects

No ongoing projects