• Adaptation to Low Salinity Promotes Genomic Divergence in Atlantic Cod (Gadus morhua L.) 

      Berg, Paul Ragnar; Jentoft, Sissel; Star, Bastiaan; Ring, Kristoffer Hofaker; Knutsen, Halvor; Lien, Sigbjørn; Jakobsen, Kjetill Sigurd; Andre, Carl (Journal article; Peer reviewed, 2015-05-20)
      How genomic selection enables species to adapt to divergent environments is a fundamental question in ecology and evolution. We investigated the genomic signatures of local adaptation in Atlantic cod (Gadus morhua L.) along ...
    • An improved genome assembly uncovers prolific tandem repeats in Atlantic cod 

      Tørresen, Ole Kristian; Star, Bastiaan; Jentoft, Sissel; Reinar, William Brynildsen; Grove, Harald; Miller, Jason R.; Walenz, Brian; Knight, James; Ekholm, Jenny M.; Peluso, Paul; Edvardsen, Rolf; Tooming-Klunderud, Ave; Skage, Morten; Lien, Sigbjørn; Jakobsen, Kjetill Sigurd; Nederbragt, Alexander Johan (Peer reviewed; Journal article, 2017)
    • Ancient DNA reveals the Arctic origin of Viking Age cod from Haithabu, Germany 

      Star, Bastiaan; Boessenkool, Sanne; Gondek, Agata Teresa; Nikulina, Elena A.; Hufthammer, Anne Karin; Pampoulie, Christophe; Knutsen, Halvor; André, Carl; Nistelberger, Heidi Maria; Dierking, Jan; Petereit, Christoph; Heinrich, Dirk; Jakobsen, Kjetill Sigurd; Stenseth, Nils Christian; Jentoft, Sissel; Barrett, James H. (Journal article; Peer reviewed, 2017)
      Knowledge of the range and chronology of historic trade and long-distance transport of natural resources is essential for determining the impacts of past human activities on marine environments. However, the specific ...
    • Combining population genomics with demographic analyses highlights habitat patchiness and larval dispersal as determinants of connectivity in coastal fish species 

      Knutsen, Halvor; de Oliveira Catarino, Diana Sofia; Rogers, Lauren; Sodeland, Marte; Mattingsdal, Morten; jahnke, marlene; Hutchings, Jeffrey; Mellerud, Ida Kristin; Espeland, Sigurd Heiberg; Johanneson, Kerstin; Roth, Olivia; Hansen, Michael Møller; Jentoft, Sissel; Andre, Carl; Jorde, Per Erik (Peer reviewed; Journal article, 2022)
      Gene flow shapes spatial genetic structure and the potential for local adaptation. Among marine animals with nonmigratory adults, the presence or absence of a pelagic larval stage is thought to be a key determinant in ...
    • Combining population genomics with demographic analyses highlights habitat patchiness and larval dispersal as determinants of connectivity in coastal fish species 

      Knutsen, Halvor; de Oliveira Catarino, Diana Sofia; Rogers, Lauren; Sodeland, Marte; Mattingsdal, Morten; jahnke, marlene; Hutchings, Jeffrey; Mellerud, Ida Kristin; Espeland, Sigurd Heiberg; Johanneson, Kerstin; Roth, Olivia; Hansen, Michael Møller; Jentoft, Sissel; Andre, Carl; Jorde, Per Erik (Peer reviewed; Journal article, 2022)
      Gene flow shapes spatial genetic structure and the potential for local adaptation. Among marine animals with nonmigratory adults, the presence or absence of a pelagic larval stage is thought to be a key determinant in ...
    • Crude oil exposures reveal roles for intracellular calcium cycling in haddock craniofacial and cardiac development 

      Sørhus, Elin; Incardona, John P.; Karlsen, Ørjan; Linbo, Tiffany; Sørensen, Lisbet; Nordtug, Trond; van der Meeren, Terje; Thorsen, Anders; Thorbjørnsen, Maja; Jentoft, Sissel; Edvardsen, Rolf; Meier, Sonnich (Journal article; Peer reviewed, 2016-08-10)
      Recent studies have shown that crude oil exposure affects cardiac development in fish by disrupting excitation-contraction (EC) coupling. We previously found that eggs of Atlantic haddock (Melanogrammus aeglefinus) bind ...
    • Demographic history has shaped the strongly differentiated corkwing wrasse populations in Northern Europe. 

      Mattingsdal, Morten; Jorde, Per Erik; Knutsen, Halvor; Jentoft, Sissel; Stenseth, Nils Christian; Sodeland, Marte; Robalo, Joana I.; Hansen, Michael M.; André, Carl; Gonzalez, Enrique Blanco (Journal article; Peer reviewed, 2019)
      Understanding the biological processes involved in genetic differentiation and divergence between populations within species is a pivotal aim in evolutionary biology. One particular phenomenon that requires clarification ...
    • Disentangling structural genomic and behavioral barriers in a sea of connectivity 

      Barth, Julia Maria Isis; Villegas-Ríos, David; Freitas, Carla; Moland, Even; Star, Bastiaan; André, Carl; Knutsen, Halvor; Bradbury, Ian; Dierking, Jan; Petereit, Christoph; Righton, David; Metcalfe, Julian; Jakobsen, Kjetill Sigurd; Olsen, Esben Moland; Jentoft, Sissel (Journal article; Peer reviewed, 2019)
      Genetic divergence among populations arises through natural selection or drift and is counteracted by connectivity and gene flow. In sympatric populations, isolating mechanisms are thus needed to limit the homogenizing ...
    • DNA damage and health effects in juvenile haddock exposed to sediment or produced water associated PAHs 

      Meier, Sonnich; Karlsen, Ørjan; Le Goff, Jeremie; Sørensen, Lisbet; Edvardsen, Rolf B.; Jentoft, Sissel; Skogland, Karianne; Fjelldal, Per Gunnar; Pampanin, Daniela; Dunaevskaya, Evgenia; Romano, Marta; Myers, Mark; Grøsvik, Bjørn Einar (Rapport fra Havforskningen;3-2017, Working paper, 2017)
      Tilstandsundersøkelsene i Nordsjøen har det siste tiår vist gentoksiske effekter (DNA-addukter) i fisk samlet inn i områder med offshore olje- og gassvirksomhet. Kilden og identiteten til de gentoksiske forbindelsene har ...
    • Evidence of hybridization between genetically distinct Baltic cod stocks during peak population abundance(s) 

      Helmerson, Cecilia; Weist, Peggy; Brieuc, Marine Servane Ono; Maurstad, Marius Filomeno; Schade, Franziska Maria; Dierking, Jan; Petereit, Christoph; Knutsen, Halvor; Metcalfe, Julian; Righton, David; André, Carl; Krumme, Uwe; Jentoft, Sissel; Hanel, Reinhold (Peer reviewed; Journal article, 2023)
      Range expansions can lead to increased contact of divergent populations, thus increasing the potential of hybridization events. Whether viable hybrids are produced will most likely depend on the level of genomic divergence ...
    • Evidence of hybridization between genetically distinct Baltic cod stocks during peak population abundance(s) 

      Helmerson, Cecilia; Weist, Peggy; Brieuc, Marine Servane Ono; Maurstad, Marius Filomeno; Schade, Franziska Maria; Dierking, Jan; Petereit, Christoph; Knutsen, Halvor; Metcalfe, Julian; Righton, David; André, Carl; Krumme, Uwe; Jentoft, Sissel; Hanel, Reinhold (Peer reviewed; Journal article, 2023)
      Range expansions can lead to increased contact of divergent populations, thus increasing the potential of hybridization events. Whether viable hybrids are produced will most likely depend on the level of genomic divergence ...
    • Evolution of the immune system influences speciation rates in teleost fishes 

      Malmstrøm, Martin; Matschiner, Michael; Tørresen, Ole Kristian; Star, Bastiaan; Snipen, Lars-Gustav; Hansen, Thomas F; Baalsrud, Helle Tessand; Nederbragt, Alexander Johan; Hanel, Reinhold; Salzburger, Walter; Stenseth, Nils Christian; Jakobsen, Kjetill Sigurd; Jentoft, Sissel (Journal article; Peer reviewed, 2016)
      Teleost fishes constitute the most species-rich vertebrate clade and exhibit extensive genetic and phenotypic variation, including diverse immune defense strategies. The genomic basis of a particularly aberrant strategy ...
    • Genome architecture enables local adaptation of Atlantic cod despite high connectivity 

      Barth, Julia Maria Isis; Berg, Paul Ragnar; Jonsson, Per R; Bonanomi, Sara; Corell, Hanna; Hemmer-Hansen, Jakob; Jakobsen, Kjetill Sigurd; Johannesson, Kerstin; Jorde, Per Erik; Knutsen, Halvor; Moksnes, Per-Olav; Star, Bastiaan; Stenseth, Nils Christian; Svedang, Henrik; Jentoft, Sissel; Andre, Carl (Journal article; Peer reviewed, 2017)
      Adaptation to local conditions is a fundamental process in evolution; however, mechanisms maintaining local adaptation despite high gene flow are still poorly understood. Marine ecosystems provide a wide array of diverse ...
    • Genome architecture enables local adaptation of Atlantic cod despite high connectivity 

      Barth, Julia Maria Isis; Berg, Paul Ragnar; Jonsson, Per R; Bonanomi, Sara; Corell, Hanna; Hemmer-Hansen, Jakob; Jakobsen, Kjetill Sigurd; Johannesson, Kerstin; Jorde, Per Erik; Knutsen, Halvor; Moksnes, Per-Olav; Star, Bastiaan; Stenseth, Nils Christian; Svedang, Henrik; Jentoft, Sissel; Andre, Carl (Journal article; Peer reviewed, 2017)
      Adaptation to local conditions is a fundamental process in evolution; however, mechanisms maintaining local adaptation despite high gene flow are still poorly understood. Marine ecosystems provide a wide array of diverse ...
    • Genomic architecture of haddock (Melanogrammus aeglefinus) shows expansions of innate immune genes and short tandem repeats 

      Tørresen, Ole K.; Brieuc, Marine Servane; Solbakken, Monica Hongrø; Sørhus, Elin; Nederbragt, Alexander Johan; Jakobsen, Kjetill Sigurd; Meier, Sonnich; Edvardsen, Rolf; Jentoft, Sissel (Journal article; Peer reviewed, 2018)
      Increased availability of genome assemblies for non-model organisms has resulted in invaluable biological and genomic insight into numerous vertebrates, including teleosts. Sequencing of the Atlantic cod (Gadus morhua) ...
    • Genomic stability through time despite decades of exploitation in cod on both sides of the Atlantic 

      Pinsky, Malin L; Eikeset, Anne Maria; Helmerson, Cecilia; Bradbury, Ian R.; Bentzen, Paul; Morris, Corey; Gondek, Agata; Baalsrud, Helle Tessand; Brieuc, Marine Servane Ono; Kjesbu, Olav Sigurd; Godiksen, Jane Aanestad; Barth, Julia Maria Isis; Matschiner, Michael; Stenseth, Nils Christian; Jakobsen, Kjetill Sigurd; Jentoft, Sissel; Star, Bastiaan (Peer reviewed; Journal article, 2021)
      The mode and extent of rapid evolution and genomic change in response to human harvesting are key conservation issues. Although experiments and models have shown a high potential for both genetic and phenotypic change in ...
    • Interbreeding between local and translocated populations of a cleaner fish in an experimental mesocosm predicts risk of disrupted local adaptation 

      Blanco Gonzalez, Enrique; Espeland, Sigurd Heiberg; Jentoft, Sissel; Hansen, Michael Møller; Robalo, Joana I.; Stenseth, Nils Christian; Jorde, Per Erik (Journal article; Peer reviewed, 2019)
      Translocation of organisms within or outside its native range carries the risk of modifying the community of the recipient ecosystems and induces gene flow between locally adapted populations or closely related species. ...
    • "Islands of divergence" in the Atlantic cod genome represent polymorphic chromosomal rearrangements 

      Sodeland, Marte; Jorde, Per Erik; Lien, Sigbjørn; Jentoft, Sissel; Berg, Paul Ragnar; Grove, Harald; Kent, Matthew Peter; Arnyasi, Mariann; Olsen, Esben Moland; Knutsen, Halvor (Peer reviewed; Journal article, 2016)
    • "Islands of divergence" in the Atlantic cod genome represent polymorphic chromosomal rearrangements 

      Sodeland, Marte; Jorde, Per Erik; Lien, Sigbjørn; Jentoft, Sissel; Berg, Paul Ragnar; Grove, Harald; Kent, Matthew Peter; Arnyasi, Mariann; Olsen, Esben Moland; Knutsen, Halvor (Journal article; Peer reviewed, 2016-03-15)
      In several species genetic differentiation across environmental gradients or between geographically separate populations has been reported to center at “genomic islands of divergence,” resulting in heterogeneous differentiation ...
    • Local cod (Gadus morhua) revealed by egg surveys and population genetic analysis after longstanding depletion on the Swedish Skagerrak coast 

      Svedang, Hendrik; Barth, Julia Maria Isis; Svenson, Anders; Jonsson, Patrik; Jentoft, Sissel; Knutsen, Halvor; Andre, Carl (Journal article; Peer reviewed, 2018)
      Dramatic and persistent reductions in Atlantic cod (Gadus morhua) are common in many coastal areas. While offshore cod stocks still were abundant and productive, the Swedish west coast showed signs of diminishing adult cod ...