Browsing Brage NMBU by Author "Krasnov, Aleksei"
Now showing items 1-20 of 26
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A comprehensive transcriptional body map of Atlantic salmon unveils the vital role of the intestine in the immune system and highlights functional specialization within its compartments
Kortner, Trond M.; Afanasyev, Sergey; Koppang, Erling Olaf; Bjørgen, Håvard; Krogdahl, Åshild; Krasnov, Aleksei (Peer reviewed; Journal article, 2024)The intestine is a barrier organ that plays an important role in the immune system of Atlantic salmon. The immune functions are distributed among the diffuse gut lymphoid tissue containing diverse immune cells, and other ... -
Antiviral Responses and Biological Concequences of Piscine orthoreovirus Infection in Salmonid Erythrocytes
Wessel, Øystein; Krasnov, Aleksei; Timmerhaus, Gerrit; Rimstad, Espen; Dahle, Maria (Journal article; Peer reviewed, 2019)Salmonid red blood cells are the main target cells for Piscine orthoreovirus (PRV). Three genotypes of PRV (PRV-1,2,3) infect Atlantic salmon (Salmo salar), Chinook salmon (Onchorhynchus tshawytscha), Coho salmon (Oncorhynchus ... -
Cardiomyopathy syndrome (CMS) in Atlantic salmon, Salmo salar L. : functional genomics studies of host-pathogen responses and disease markers
Timmerhaus, Gerrit (PhD Thesis;2012:6, Doctoral thesis, 2012)Since the first description of CMS in the mid 1980s, little research has been conducted to approach an understanding of host-pathogen responses in affected Atlantic salmon. The research presented in this thesis aimed to ... -
Choline and phosphatidylcholine, but not methionine, cysteine, taurine and taurocholate, eliminate excessive gut mucosal lipid accumulation in Atlantic salmon (Salmo salar L)
Krogdahl, Åshild; Hansen, Anne Kristine Grostøl; Kortner, Trond M.; Björkhem, Ingemar; Krasnov, Aleksei; Berge, Gerd Marit; Denstadli, Vegard (Peer reviewed; Journal article, 2020)Excessive enterocyte lipid accumulation, with the suggested term lipid malabsorption syndrome (LMS), is frequently observed in Atlantic salmon (Salmo salar L), in small fish in fresh water as well as in large fish in ... -
Choline supplementation prevents diet induced gut mucosa lipid accumulation in post-smolt Atlantic salmon (Salmo salar L.)
Hansen, Anne Kristine; Kortner, Trond M.; Krasnov, Aleksei; Björkhem, Ingemar; Penn, Michael; Krogdahl, Åshild (Peer reviewed; Journal article, 2020)Background Various intestinal morphological alterations have been reported in cultured fish fed diets with high contents of plant ingredients. Since 2000, salmon farmers have reported symptoms indicating an intestinal ... -
Consequences of Haemorrhagic Smolt Syndrome (HSS) for the Immune Status of Atlantic salmon (Salmo salar L.) (Case Study)
Krasnov, Aleksei; Sommerset, Ingunn; Søfteland, Tina; Afanasyev, Sergey; Boysen, Preben; Lund, Hege (Peer reviewed; Journal article, 2020)Haemorrhagic smolt syndrome (HSS) is a disorder of unknown aetiology causing losses in the fresh water phase of Atlantic salmon farming. Normally, the mortality is limited and symptoms disappear upon seawater exposure. In ... -
Development of Atlantic Salmon (Salmo salar L.) Under Hypoxic Conditions Induced Sustained Changes in Expression of Immune Genes and Reduced Resistance to Moritella viscosa
Krasnov, Aleksei; Burgerhout, Erik; Johnsen, Hanne; Tveiten, Helge; Bakke, Anne Flore; Lund, Hege; Afanasyev, Sergey; Rebl, Alexander; Johansen, Lill-Heidi (Peer reviewed; Journal article, 2021)Atlantic salmon is characterized with high sensitivity to low dissolved oxygen (DO) levels. Hypoxia can affect diverse biological processes with consequences that can be manifested immediately or with delay. Effects of ... -
Dietary Fish Meal Level and a Package of Choline, β -Glucan, and Nucleotides Modulate Gut Function, Microbiota, and Health in Atlantic Salmon (Salmo salar, L.)
Krogdahl, Åshild; Chikwati, Elvis Mashingaidze; Krasnov, Aleksei; Dhanasiri, Anusha; Berge, Gerd Marit; Aru, Violetta; Khakimov, Bekzod; Engelsen, Søren Balling; Vinje, Hilde; Kortner, Trond M. (Peer reviewed; Journal article, 2023) -
Dietary inclusion of Antarctic krill meal during the finishing feed period improves health and fillet quality of Atlantic salmon (Salmo salar L.)
Mørkøre, Turid; Moreno, Helena Maria; Borderías, Javier; Larsson, Thomas; Hellberg, Hege; Hatlen, Bjarne; Romarheim, Odd Helge; Ruyter, Bente; Lazado, Carlo C.; Jimenez Guerrero, Raul; Bjerke, Målfrid Tofteberg; Benitez-Santana, Tibiabin; Krasnov, Aleksei (Peer reviewed; Journal article, 2020)There is an urgent need to find alternative feed resources that can further substitute fishmeal in Atlantic salmon diets without compromising health and food quality, in particular during the finishing feeding period when ... -
Dietary phytochemicals modulate skin geneexpression profiles and result in reducedlice counts after experimental infection inAtlantic salmon
Holm, Helle Jodaa; Wadsworth, Simon; Bjelland, Anne-Kari; Krasnov, Aleksei; Evensen, Øystein; Skugor, Stanko (Journal article; Peer reviewed, 2016) -
Differentiation and traffic of IgM+ B cells between focal dark spots in skeletal muscle of Atlantic salmon, lymphoid and adipose tissues
Jiménez-Guerrero, Raúl.; Karlsen, Christian; Boudinot, Pierre; Afanasyev, Sergey; Mørkøre, Turid; Krasnov, Aleksei (Journal article; Peer reviewed, 2023) -
Disease resistance is related to inherent swimming performance in Atlantic salmon
Castro, Vicente; Grisdale-Helland, Barbara; Jørgensen, Sven Martin; Helgerud, Jan; Claireaux, Guy; Farrell, Anthony P.; Krasnov, Aleksei; Helland, Ståle; Takle, Harald Rune (Journal article; Peer reviewed, 2013) -
Effect of two constant light regimens on antibody profiles and immune gene expression in Atlantic salmon following vaccination and experimental challenge with salmonid alphavirus
Bakke, Anne Flore; Rebl, Alexander; Frost, Petter; Afanasyev, Sergey; Røyset, Kristoffer Alnes; Søfteland, Tina; Lund, Hege; Boysen, Preben; Krasnov, Aleksei (Peer reviewed; Journal article, 2021)Before seawater transfer, farmed Atlantic salmon are subjected to treatments that may affect the immune system and susceptibility to pathogens. E.g., exposure to constant light (CL) stimulates smoltification, which prepares ... -
Effects of functional feeds on the lipid composition, transcriptomic responses and pathology in heart of Atlantic salmon (Salmo salar L.) before and after experimental challenge with Piscine Myocarditis Virus (PMCV)
Martinez-Rubio, Laura; Evensen, Øystein; Krasnov, Aleksei; Jørgensen, Sven Martin; Wadsworth, Simon; Ruohonen, Kari; Vecino, Jose L.G.; Tocher, Douglas R. (Journal article; Peer reviewed, 2014) -
Effects of functional ingredients on gut inflammation in Atlantic salmon (Salmo salar L)
Krogdahl, Åshild; Dhanasiri, Anusha; Krasnov, Aleksei; Aru, Violetta; Chikwati, Elvis Mashingaidze; Berge, Gerd Marit; Engelsen, Søren Balling; Kortner, Trond M. (Peer reviewed; Journal article, 2023) -
Endocrine and Transcriptome Changes Associated with Testicular Growth and Differentiation in Atlantic Salmon (Salmo salar L.)
Skjold, Vetle; Afanasyev, Sergey; Burgerhout, Erik; Sveen, Lene; Rørvik, Kjell-Arne; Mota, Vasco Filipe Cardoso Neves; Dessen, Jens-Erik; Krasnov, Aleksei (Peer reviewed; Journal article, 2024) -
Evaluation of Immune Status in Two Cohorts of Atlantic Salmon Raised in Different Aquaculture Systems (Case Study)
Lund, Hege; Bakken, Anne Marie; Boysen, Preben; Afanasyev, Sergey; Rebl, Alexander; Manji, Farah; Ritchie, Gordon; Krasnov, Aleksei (Peer reviewed; Journal article, 2022) -
Experimental Piscine orthoreovirus infection mediates protection against pancreas disease in Atlantic salmon (Salmo salar)
Lund, Morten; Røsæg, Magnus Vikan; Krasnov, Aleksei; Timmerhaus, Gerrit; Nyman, Ingvild Berg; Aspehaug, Vidar; Rimstad, Espen; Dahle, Maria Krudtaa (Journal article; Peer reviewed, 2016) -
Genomic responses of salmonids to pathogenic agents and nutritional interventions
Škugor, Stanko (PhD Thesis;2009:43, Doctoral thesis, 2009)Aquaculture exposes salmonid fish to diverse stressors, including pathogens and inadequate nutrition. The identification of molecular basis underlying compromised health and growth caused by these factors is confounded by ... -
IgM+ and IgT+ B Cell Traffic to the Heart during SAV Infection in Atlantic Salmon
Bakke, Anne Flore; Bjørgen, Håvard; Koppang, Erling Olaf; Frost, Petter; Afanasyev, Sergey; Boysen, Preben; Krasnov, Aleksei; Lund, Hege (Peer reviewed; Journal article, 2020)B cells of teleost fish differentiate in the head kidney, and spleen, and either remain in the lymphatic organs or move to the blood and peripheral tissues. There is limited knowledge about piscine B cell traffic to sites ...