Blar i Brage IMR på forfatter "Besnier, Francois"
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A pedigree-based experiment reveals variation in salinity and thermal tolerance in the salmon louse, Lepeophtheirus salmonis
Ljungfeldt, Lina; Sanchez, Maria Quintela; Besnier, Francois; Nilsen, Frank; Glover, Kevin (Peer reviewed; Journal article, 2017) -
An extensive common‐garden study with domesticated and wild Atlantic salmon in the wild reveals impact on smolt production and shifts in fitness traits
Skaala, Øystein; Besnier, Francois; Borgstrøm, Reidar; Barlaup, Bjørn Torgeir; Sørvik, Anne Grete Eide; Normann, Eirik; Østebø, Britt Iren; Hansen, Michael Møller; Glover, Kevin (Journal article; Peer reviewed, 2019)Interactions between domesticated escapees and wild conspecifics represent a threat to the genetic integrity and fitness of native populations. For Atlantic salmon, the recurrent presence of large numbers of domesticated ... -
Analysis of coastal cod (Gadus morhua L.) sampled on spawning sites reveals a genetic gradient throughout Norway's coastline
Dahle, Geir; Quintela, María; Johansen, Torild; Westgaard, Jon-Ivar; Besnier, Francois; Aglen, Asgeir; Jørstad, Knut Eirik; Glover, Kevin (Journal article; Peer reviewed, 2018)Atlantic cod (Gadus morhua L.) has formed the basis of many economically significant fisheries in the North Atlantic, and is one of the best studied marine fishes, but a legacy of overexploitation has depleted populations ... -
Aquaculture-driven evolution of the salmon louse mtDNA genome
Rutle, Karoline Hasti; Skern-Mauritzen, Rasmus; Nilsen, Frank; Mateos-Rivera, Alejandro; Sørvik, Anne Grete Eide; Jansson, Eeva; Quintela, Maria; Besnier, Francois; Ayllon, Fernando; Fjørtoft, Helene Børretzen; Glover, Kevin Alan (Peer reviewed; Journal article, 2023)Resistance toward the antiparasitic pyrethroid, deltamethrin, is reported in the Atlantic salmon louse (Lepeophtheirus salmonis salmonis), a persistent ectoparasite of farmed and wild salmonids. The resistance mechanism ... -
Aquaculture-driven evolution: distribution of pyrethroid resistance in the salmon louse throughout the North Atlantic in the years 2000–2017
Fjørtoft, Helene Børretzen; Nilsen, Frank; Besnier, Francois; Espedal, Per Gunnar; Stene, Anne; Tveten, Ann-Kristin; Bjørn, Pål Arne; Aspehaug, Vidar; Glover, Kevin (Peer reviewed; Journal article, 2020)The parasitic salmon louse, and its documented resistance to chemotherapeutants, represents the most persistent environmental challenge to global salmonid aquaculture. We used a genetic marker associated with pyrethroid ... -
Atlantic salmon populations invaded by farmed escapees: quantifying genetic introgression with a Bayesian approach and SNPs
Glover, Kevin A.; Pertoldi, Cino; Besnier, Francois; Wennevik, Vidar; Kent, Matthew; Skaala, Øystein (Journal article; Peer reviewed, 2013-08-23)Background Many native Atlantic salmon populations have been invaded by domesticated escapees for three decades or longer. However, thus far, the cumulative level of gene-flow that has occurred from farmed to wild salmon ... -
Autosomal sdY pseudogenes explain discordances between phenotypic sex and DNA marker for sex identification in Atlantic salmon
Ayllon, Fernando; Solberg, Monica Favnebøe; Besnier, Francois; Fjelldal, Per Gunnar; Hansen, Tom Johnny; Wargelius, Anna; Edvardsen, Rolf Brudvik; Glover, Kevin (Peer reviewed; Journal article, 2020)Despite the key role that sex-determination plays in evolutionary processes, it is still poorly understood in many species. In salmonids, which are among the best studied fishes, the master sex-determining gene sexually ... -
Chromosome aberrations in pressure-induced triploid Atlantic salmon
Glover, Kevin; Harvey, Alison C.; Hansen, Tom Johnny; Fjelldal, Per Gunnar; Besnier, Francois; Bos, J.B.; Ayllon, Fernando; Taggart, John B.; Solberg, Monica Favnebøe (Peer reviewed; Journal article, 2020)Triploid organisms have three sets of chromosomes. In Atlantic salmon, hydrostatic pressure treatment of newly fertilized eggs has been extensively used to produce triploids which are functionally sterile due to their ... -
“A cleaner break”: Genetic divergence between geographic groups and sympatric phenotypes revealed in ballan wrasse (Labrus bergylta)
Seljestad, Gaute; Sanchez, Maria Quintela; Faust, Ellika; Halvorsen, Kim Aleksander Tallaksen; Besnier, Francois; Jansson, Eeva; Dahle, Geir; Knutsen, Halvor; André, Carl; Folkvord, Arild; Glover, Kevin (Peer reviewed; Journal article, 2020)Capture and long‐distance translocation of cleaner fish to control lice infestations on marine salmonid farms has the potential to influence wild populations via overexploitation in source regions, and introgression in ... -
Cloned and outbred Atlantic salmon display equal parasite dispersion when infected with the salmon louse
Glover, Kevin; Hansen, Tom Johnny; Besnier, Francois; Solberg, Monica Favnebøe; Fjelldal, Per Gunnar; Sørvik, Anne Grete Eide; Dalvin, Sussie; Nilsen, Frank (Peer reviewed; Journal article, 2017) -
Cryptic introgression: evidence that selection and plasticity mask the full phenotypic potential of domesticated Atlantic salmon in the wild
Glover, Kevin; Solberg, Monica Favnebøe; Besnier, Francois; Skaala, Øystein (Journal article; Peer reviewed, 2018)Domesticated Atlantic salmon grow much faster than wild salmon when reared together in fish tanks under farming conditions (size ratios typically 1:2–3). In contrast, domesticated salmon only display marginally higher ... -
DNA and scale reading to identify repeat spawning in Atlantic salmon: Unique insights into patterns of iteroparity
Kaland, Håvard; Harvey, Alison C.; Skaala, Øystein; Wennevik, Vidar; Besnier, Francois; Andersen-Fjeldheim, Per Tommy; Knutar, Sofie; Andersen-Fjeldheim, Kaja Christine; Glover, Kevin Alan (Peer reviewed; Journal article, 2023)Iteroparity represents an important but often overlooked component of life history in anadromous Atlantic salmon. Here, we combined individual DNA profiling and scale reading to identify repeat spawners among ~8000 adult ... -
Epistatic regulation of growth in Atlantic salmon revealed: a QTL study performed on the domesticated-wild interface
Besnier, Francois; Solberg, Monica Favnebøe; Harvey, Alison C.; Carvalho, Gary R.; Bekkevold, Dorte; Taylor, Martin I.; Creer, Simon; Nielsen, Einar Eg; Skaala, Øystein; Ayllon, Fernando; Dahle, Geir; Glover, Kevin (Peer reviewed; Journal article, 2020)Quantitative traits are typically considered to be under additive genetic control. Although there are indications that non-additive factors have the potential to contribute to trait variation, experimental demonstration ... -
Evolutionary drivers of kype size in atlantic salmon (salmo salar): domestication, age and genetics
Perry, William; Solberg, Monica Favnebøe; Besnier, Francois; Dyrhovden, Lise; Matre, Ivar Helge; Fjelldal, Per Gunnar; Ayllon, Fernando; Creer, Simon; Llewellyn, Martin; Taylor, Martin I.; Carvalho, Gary; Glover, Kevin (Journal article; Peer reviewed, 2019)The diversity of reproduction and associated mating patterns in Atlantic salmon (Salmo salar) has long captivated evolutionary biologists. Salmo salar exhibit strategies involving migration, bold mating behaviours and ... -
A genetic method to infer ploidy and aberrant inheritance in triploid organisms
Delaval, Aurelien Nicolas; Glover, Kevin Alan; Solberg, Monica Favnebøe; Taggart, John B.; Besnier, Francois; Sørvik, Anne Grete Eide; Øyro, Johanne; Garnes-Gutvik, Sofie Nordaune; Fjelldal, Per Gunnar; Hansen, Tom Johnny; Harvey, Alison C. (Peer reviewed; Journal article, 2024)Polyploidy occurs naturally across eukaryotic lineages and has been harnessed in the domestication of many crops and vertebrates. In aquaculture, triploidy can be induced as a biocontainment strategy, as it creates a ... -
Genetic response to human-induced habitat changes in the marine environment: A century of evolution of European sprat in Landvikvannet, Norway
Sanchez, Maria Quintela; Richter-Boix, Alex; Bekkevold, Dorte; Kvamme, Cecilie; Berg, Florian; Jansson, Eeva; Dahle, Geir; Besnier, Francois; Nash, Richard David Marriott; Glover, Kevin Alan (Peer reviewed; Journal article, 2021)Habitat changes represent one of the five most pervasive threats to biodiversity. However, anthropogenic activities also have the capacity to create novel niche spaces to which species respond differently. In 1880, one ... -
Genetic study reveals local differentiation persisting in the face of high connectivity and a genomic inversion likely linked with sexual antagonism in a common marine fish
Jansson, Eeva; André, Carl; Quintela, Maria; Halvorsen, Kim Aleksander Tallaksen; Besnier, Francois; Ayllon, Fernando; Faust, Ellika; Knutsen, Halvor; Strand, Åsa; Glover, Kevin Alan (Peer reviewed; Journal article, 2023)Sustainable harvest of wild populations requires knowledge of the underlying population structure. The focus of this study is on goldsinny wrasse (Ctenolabrus rupestris), a small marine fish inhabiting coastal waters of ... -
Genetics in the ocean’s twilight zone: Population structure of the glacier lanternfish across its distribution range
Quintela, Maria; Garcia-Seoane, Eva; Dahle, Geir; Klevjer, Thor A.; Melle, Webjørn; Lille-Langøy, Roger; Besnier, Francois; Tsagarakis, Konstantinos; Geoffroy, Maxime; Rodríguez-Ezpeleta, Naiara; Jacobsen, Eugenie; Côté, David; Knutar, Sofie; Unneland, Laila; Strand, Espen; Glover, Kevin (Dataset, 2024)Dataset for "Genetics in the ocean’s twilight zone: Population structure of the glacier lanternfish across its distribution range", published in Evolutionary Applications, a Wiley journal The information deposited ... -
Genome wide analysis reveals genetic divergence between Goldsinny wrasse populations
Jansson, Eeva; Besnier, Francois; Malde, Ketil; André, Carl; Dahle, Geir; Glover, Kevin (Peer reviewed; Journal article, 2020)Marine fish populations are often characterized by high levels of gene flow and correspondingly low genetic divergence. This presents a challenge to define management units. Goldsinny wrasse (Ctenolabrus rupestris) is a ... -
Genomic analysis reveals neutral and adaptive patterns that challenge the current management regime for East Atlantic cod Gadus morhua L
Johansen, Torild; Besnier, Francois; Sanchez, Maria Quintela; Jorde, Per Erik; Glover, Kevin; Westgaard, Jon-Ivar; Dahle, Geir; Lien, Sigbjørn; Kent, Matthew Peter (Peer reviewed; Journal article, 2020)Challenging long‐held perceptions of fish management units can help to protect vulnerable stocks. When a fishery consisting of multiple genetic stocks is managed as a single unit, overexploitation and depletion of minor ...