Browsing NOFIMA vitenarkiv by Author "Krasnov, Aleksei"
Now showing items 1-20 of 84
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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 ... -
A full factorial design to investigate interactions of variable essential amino acids, trace minerals and vitamins on Atlantic salmon smoltification and post transfer performance
Kousoulaki, Katerina; Krasnov, Aleksei; Ytteborg, Elisabeth; Sweetman, John; Pedersen, Mona Elisabeth; Høst, Vibeke; Murphy, Richard (Peer reviewed; Journal article, 2021)To contribute in knowledge for the development of safe, efficient and sustainable functional salmon diets, we ran a feeding trial applying a 23 full factorial design to investigate combined effects, on Atlantic salmon ... -
Antiviral Responses and Biological Concequences of Piscine orthoreovirus Infection in Salmonid Erythrocytes
Wessel, Øystein; Krasnov, Aleksei; Timmerhaus, Gerrit; Rimstad, Espen; Dahle, Maria (Peer reviewed; Journal article, 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 ... -
Applying genetic technologies to combat infectious diseases in aquaculture
Robinson, Nicholas Andrew; Robledo, Diego; Sveen, Lene; Daniels, Rose Ruiz; Krasnov, Aleksei; Coates, Andrew; Jin, Ye Hwa; Barrett, Luke T.; Lillehammer, Marie; Kettunen, Anne Helena; Phillips, Ben L.; Dempster, Tim; Doeschl-Wilson, Andrea; Samsing, Francisca; Difford, Gareth Frank; Salisbury, Sarah; Gjerde, Bjarne; Haugen, John-Erik; Burgerhout, Erik; Dagnachew, Binyam Sime; Kurian, Dominic; Fast, Mark D.; Rye, Morten; Salazar, Marcela; Bron, James E.; Monaghan, Sean J.; Jacq, Celeste; Birkett, Mike; Browman, Howard I.; Skiftesvik, Anne Berit; Fields, David M.; Selander, Erik; Bui, Samantha; Sonesson, Anna Kristina; Skugor, Stanko; Østbye, Tone-Kari K; Houston, Ross D. (Peer reviewed; Journal article, 2022)Disease and parasitism cause major welfare, environmental and economic concerns for global aquaculture. In this review, we examine the status and potential of technologies that exploit genetic variation in host resistance ... -
Atlantic salmon skin barrier functions gradually enhance after seawater transfer
Karlsen, Christian; Ytteborg, Elisabeth; Timmerhaus, Gerrit; Høst, Vibeke; Handeland, Sigurd O; Jørgensen, Sven Martin; Krasnov, Aleksei (Peer reviewed; Journal article, 2018) -
Cardiac responses to elevated seawater temperature in Atlantic salmon
Jørgensen, Sven Martin; Castro, Vicente; Krasnov, Aleksei; Torgersen, Jacob; Timmerhaus, Gerrit; Hevrøy, Ernst Morten; Hansen, Tom Johnny; Susort, Sissel Tjøstheim; Breck, Olav; Takle, Harald Rune (Peer reviewed; Journal article, 2014) -
Characterisation of the teleostean κB-Ras family: The two members NKIRAS1 and NKIRAS2 from rainbow trout influence the activity of NF-κB in opposite ways
Sarais, Fabio; Rebl, Henrike; Verleih, Marieke; Ostermann, Sven; Krasnov, Aleksei; Köllner, Bernd; Goldammer, Tom; Rebl, Alexander (Peer reviewed; Journal article, 2020)Two structurally similar NF-κB-inhibitor-interacting Ras-like proteins (NKIRAS) regulate the activity of the transcription factor NF-κB and thereby control several early immune mechanisms in mammals. We identified the ... -
Characterization of Differentially Expressed miRNAs and Their Predicted Target Transcripts during Smoltification and Adaptation to Seawater in Head Kidney of Atlantic Salmon
Shwe, Alice; Østbye, Tone-Kari K; Krasnov, Aleksei; Ramberg, Sigmund; Andreassen, Rune (Peer reviewed; Journal article, 2020) -
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) -
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) -
Climate change with increasing seawater temperature will challenge the health of farmed Atlantic Cod (Gadus morhua L.)
Ytteborg, Elisabeth; Falconer, Lynne; Krasnov, Aleksei; Johansen, Lill-Heidi; Timmerhaus, Gerrit; Johansson, Gunhild Seljehaug; Afanasyev, Sergey; Høst, Vibeke; Hjøllo, Solfrid Sætre; Hansen, Øyvind J; Lazado, Carlo C. (Peer reviewed; Journal article, 2023) -
Cold-blooded vertebrates evolved organized germinal center-like structures
Shibasaki, Yasuhiro; Afanasyev, Sergey; Fernández-Montero, Alvaro; Ding, Yang; Watanabe, Shota; Takizawa, Fumio; Lamas, Jesús; Fontenla-Iglesias, Francisco; Leiro, José Manuel; Krasnov, Aleksei; Boudinot, Pierre; Sunyer, J Oriol (Peer reviewed; Journal article, 2023)Germinal centers (GCs) or analogous secondary lymphoid microstructures (SLMs) are thought to have evolved in endothermic species. However, living representatives of their ectothermic ancestors can mount potent secondary ... -
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 ... -
CpGs Induce Differentiation of Atlantic Salmon Mononuclear Phagocytes Into Cells With Dendritic Morphology and a Proinflammatory Transcriptional Profile but an Exhausted Allostimulatory Activity
Iliev, Dimitar Borisov; Lagos, Leidy; Thim, Hanna Leena; Jørgensen, Sven Martin; Krasnov, Aleksei; Jørgensen, Jorunn B (Peer reviewed; Journal article, 2019) -
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) -
Dietary phytochemicals modulate skin gene expression profiles and result in reduced lice counts after experimental infection in Atlantic salmon
Holm, Helle Jodaa; Wadsworth, Simon; Bjelland, Anne-Kari; Krasnov, Aleksei; Evensen, Øystein; Skugor, Stanko (Journal article, 2016) -
Differential Expression of miRNAs and Their Predicted Target Genes Indicates That Gene Expression in Atlantic Salmon Gill Is Post-Transcriptionally Regulated by miRNAs in the Parr-Smolt Transformation and Adaptation to Sea Water
Shwe, Alice; Krasnov, Aleksei; Visnovska, Tina; Ramberg, Sigmund; Tone-Kari, Østbye; Andreassen, Rune (Peer reviewed; Journal article, 2022) -
Differentiation and traffic of IgM<sup>+</sup> 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 (Peer reviewed; Journal article, 2023)