• An assessment of the spatial scale of local adaptation in brown trout (Salmo trutta L.): footprints of selection at microsatellite DNA loci 

      Meier, K.; Hansen, M.M.; Bekkevold, Dorte; Skaala, Øystein; Mensberg, K-L.D. (Journal article; Peer reviewed, 2011-01-12)
      Local adaptation is considered a paradigm in studies of salmonid fish populations. Yet, little is known about the geographical scale of local adaptation. Is adaptive divergence primarily evident at the scale of regions or ...
    • Are low but statistically significant levels of genetic differentiation in marine fishes ‘biologically meaningful’? A case study of coastal Atlantic cod 

      Knutsen, Halvor; Olsen, Esben Moland; Jorde, Per Erik; Espeland, Sigurd Heiberg; André, Carl (Journal article; Peer reviewed, 2010-12-29)
      A key question in many genetic studies on marine organisms is how to interpret a low but statistically significant level of genetic differentiation. Do such observations reflect a real phenomenon, or are they caused by ...
    • Development of ten microsatellite loci in the marine fish ling (Molva molva) 

      Ring, Anne-Karin; Knutsen, Halvor; Fiani, David; Hoelzel, Rus; André, Carl (Journal article; Peer reviewed, 2009-09)
      We developed primers for two dinucleotide and eight tetranucleotide microsatellite loci in a marine fish, the ling (Molva molva). All markers were obtained from partial genomic DNA libraries and characterized in 55 unrelated ...
    • Development of twelve microsatellite loci in the corkwing wrasse (Symphodus melops) 

      Knutsen, Halvor; Sannæs, Hanne (Journal article; Peer reviewed, 2010)
      We developed 12 microsatellite loci primers in 8 the corkwing wrasse (Symphodus melops). All markers 9 were obtained from partial genomic DNA libraries enri-10 ched for tetranucleotide repeats and characterized in 32 11 ...
    • Development of twelve novel microsatellite loci in the European lobster (Homarus gammarus) 

      André, Carl; Knutsen, Halvor (Journal article; Peer reviewed, 2010-09)
      We developed twelve novel microsatellite loci 8 primers in the European lobster (Homarus gammarus). All 9 markers were obtained from partial genomic DNA libraries 10 enriched for tetranucleotide repeats and characterized ...
    • Economic repercussions of fisheries-induced evolution 

      Eikeset, Anne Maria; Richter, Andries; Dunlop, Erin S.; Dieckmann, Ulf; Stenseth, Nils Christian (Journal article; Peer reviewed, 2013-07-23)
      Fish stocks experiencing high fishing mortality show a tendency to mature earlier and at a smaller size, which may have a genetic component and therefore long-lasting economic and biological effects. To date, the economic ...
    • EST resources and establishment and validation of a 16 k cDNA microarray from Atlantic cod (Gadus morhua) 

      Edvardsen, Rolf B.; Malde, Ketil; Mittelholzer, Christian; Taranger, Geir Lasse; Nilsen, Frank (Journal article; Peer reviewed, 2010-06-28)
      The Atlantic cod, Gadus morhua, is an important species both for traditional fishery and increasingly also in fish farming. The Atlantic cod is also under potential threat from various environmental changes such as pollution ...
    • Forensic identification of fish farm escapees: the Norwegian experience 

      Glover, Kevin A. (Journal article; Peer reviewed, 2010-03-31)
      Aquaculture management authorities require the ability to identify the farm of origin for escaped fish. Physical tagging is routinely conducted for domesticated animals (e.g. sheep and cattle); however, there are considerable ...
    • Forensic identification of severely degraded Atlantic salmon (Salmo salar) and rainbow trout (Oncorhynchus mykiss) tissues 

      Dalvin, Sussie Trine; Glover, Kevin A.; Sørvik, Anne Grete Eide; Seliussen, Bjørghild Breistein; Taggart, John B. (Journal article; Peer reviewed, 2010-11-03)
      Aquaculture is a globally important and rapidly growing industry. It contributes positively to the economy and sustainability of coastal communities, but it is not without regulatory challenges. These challenges are diverse, ...
    • Genetic diversity within and among Atlantic cod (Gadus morhua) farmed in marine cages: a proof-of-concept study for the identification of escapees 

      Glover, Kevin A.; Dahle, Geir; Westgaard, Jon-Ivar; Johansen, Torild; Knutsen, Halvor; Jørstad, Knut Eirik (Journal article; Peer reviewed, 2010--03-2)
      This study presents a molecular genetic characterization of Atlantic cod reared in commercial marine farms. Samples consisted of approximately 47 fish collected from nine cages located on four farms throughout Norway. In ...
    • Genetic mixed-stock analysis of Atlantic herring populations in a mixed feeding area 

      Bekkevold, Dorte; Clausen, Lotte A. W.; Mariani, Stefano; André, Carl; Hatfield, Emma M. C.; Torstensen, Else; Ryman, Nils; Carvalho, Gary R.; Ruzzante, Daniel E. (Journal article; Peer reviewed, 2011-12-05)
      Determining spatio-temporal distributions of fish populations is of interest to marine ecology, in general, and to fisheries science in particular. Genetic mixed-stock analysis is routinely applied in several anadromous ...
    • Genomic organization and gene expression of the multiple globins in Atlantic cod: conservation of globin-flanking genes in chordates infers the origin of the vertebrate globin clusters 

      Wetten, Ola F.; Nederbragt, Alexander J.; Wilson, Robert C.; Jakobsen, Kjetill S.; Edvardsen, Rolf B.; Andersen, Øivind (Journal article; Peer reviewed, 2010-10-20)
      Background: The vertebrate globin genes encoding the α- and β-subunits of the tetrameric hemoglobins are clustered at two unlinked loci. The highly conserved linear order of the genes flanking the hemoglobins provides a ...
    • Major histocompatibility complex (MHC) variation and susceptibility to the sea louse Lepeophtheirus salmonis in Atlantic salmon Salmo salar 

      Glover, Kevin A.; Grimholt, Unni; Bakke, H.G.; Nilsen, Frank; Storset, Arne; Skaala, Øystein (Journal article; Peer reviewed, 2007-06-07)
      The relationship between genetic variation in major histocompatibility complex (MHC) Class I and II genes and susceptibility to sea lice Lepeophtheirus salmonis (Krøyer) in Atlantic salmon Salmo salar (L.) was studied ...
    • North Sea herring population structure revealed by microsatellite analysis 

      Mariani, Stefano; Hutchinson, William F.; Hatfield, Emma M. C.; Ruzzante, Daniel E.; Simmonds, E. John; Dahlgren, Thomas G.; André, Carl; Brigham, Jennifer; Torstensen, Else; Carvalho, Gary R. (Journal article; Peer reviewed, 2005-11-21)
      The Atlantic herring Clupea harengus has played a pivotal role in the formulation of ideas relating to population structuring in marine fishes, yet considerable uncertainty remains as to the extent to which phenotypic ...
    • Population genetic structure in a deepwater fish Coryphaenoides rupestris: patterns and processes 

      Knutsen, Halvor; Jorde, Per Erik; Bergstad, Odd Aksel; Skogen, Morten D. (Journal article; Peer reviewed, 2012-07-24)
      We observed significant genetic structure in a widely distributed North Atlantic demersal deepwater fish, the roundnose grenadier Coryphaenoides rupestris (Pisces: Macro - uridae). The overall estimate of genetic ...
    • RNA deep sequencing of the Atlantic cod transcriptome 

      Johansen, Steinar D.; Karlsen, Bård Ove; Furmanek, Tomasz; Andreassen, Morten; Jørgensen, Tor Erik; Bizuayehu, Teshome T.; Breines, Ragna; Emblem, Åse; Kettunen, Päivi; Luukko, Keijo; Edvardsen, Rolf B.; Nordeide, Jarle Tryti; Coucheron, Dag H.; Moum, Truls (Journal article; Peer reviewed, 2010-05-20)
      The Atlantic cod (Gadus morhua) is an emerging aquaculture species. Efforts to develop and characterize its genomic recourses, including draft-grade genome sequencing, have been initiated by the research community. The ...
    • Sequence variation in four mitochondrial genes of the salmon louse Lepeophtheirus salmonis 

      Tjensvoll, Kjersti; Glover, Kevin A.; Nylund, Are (Journal article; Peer reviewed, 2006-03-02)
      A total of 210 Lepeophtheirus salmonis collected from 7 locations (Scotland, Russia, Canada, Japan and 3 locations in Norway), were screened for sequence variation in 4 mitochondrial genes; ATPase subunit 6 (A6), Cytochrome ...
    • Spatial scale of genetic structuring in coastal cod Gadus morhua and geographic extent of local populations 

      Jorde, Per Erik; Knutsen, Halvor; Espeland, Sigurd Heiberg; Stenseth, Nils Christian (Journal article; Peer reviewed, 2007-08-07)
      We estimated the spatial scale of genetically distinguishable populations of coastal Atlantic cod Gadus morhua using microsatellite DNA markers. Significant overall heterogeneity in allele frequencies was found among 5 cod ...
    • Spermatogonial Stem Cell Niche and Spermatogonial Stem Cell Transplantation in Zebrafish 

      Nóbrega, Rafael Henrique; Greebe, Caaj Douwe; van de Kant, Henk; Bogerd, Jan; de França, Luiz Renato; Schulz, Rüdiger W. (Journal article; Peer reviewed, 2010-09-20)
      Background Spermatogonial stem cells (SSCs) are the foundation of spermatogenesis, and reside within a specific microenvironment in the testes called “niche” which regulates stem cell properties, such as, self-renewal, ...
    • The genome sequence of Atlantic cod reveals a unique immune system 

      Star, Bastiaan; Nederbragt, Alexander J.; Jentoft, Sissel; Grimholt, Unni; Malmstrøm, Martin; Gregers, Tone F.; Rounge, Trine B.; Paulsen, Jonas; Solbakken, Monica H.; Sharma, Animesh; Wetten, Ola F.; Lanzén, Anders; Winer, Roger; Knight, James; Vogel, Jan-Hinnerk; Aken, Bronwen; Andersen, Øivind; Lagesen, Karin; Tooming-Klunderud, Ave; Edvardsen, Rolf B.; Tina, Kirubakaran G.; Espelund, Mari; Nepal, Chirag; Previti, Christopher; Karlsen, Bård Ove; Moum, Truls; Skage, Morten; Berg, Paul R.; Gjøen, Tor; Kuhl, Heiner; Thorsen, Jim; Malde, Ketil; Reinhardt, Richard; Du, Lei; Johansen, Steinar D.; Searle, Steve; Lien, Sigbjørn; Nilsen, Frank; Jonassen, Inge; Omholt, Stig W.; Stenseth, Nils Christian; Jakobsen, Kjetill S. (Journal article; Peer reviewed, 2011-08-10)
      Atlantic cod (Gadus morhua) is a large, cold-adapted teleost that sustains long-standing commercial fisheries and incipient aquaculture. Here we present the genome sequence of Atlantic cod, showing evidence for complex ...