Browsing Publikasjoner fra Cristin - NMBU by Author "Koppang, Erling Olaf"
Now showing items 21-37 of 37
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Immune protection is dependent on the gut microbiome in a lethal mouse gammaherpesviral infection
Yaron, Jordan R.; Ambadapadi, Sriram; Zhang, Liqiang; Chavan, Ramani N.; Tibbetts, Scott A.; Keinan, Shahar; Varsani, Arvind; Maldonado, Juan; Kraberger, Simona; Tafoya, Amanda M.; Bullard, Whitney L.; Kilbourne, Jacquelyn; Stern-Harbutte, Alison; Krajmalnik-Brown, Rosa; Munk, Barbara H.; Koppang, Erling Olaf; Lim, Efrem S.; Lucas, Alexandra R. (Peer reviewed; Journal article, 2020)Immunopathogenesis in systemic viral infections can induce a septic state with leaky capillary syndrome, disseminated coagulopathy, and high mortality with limited treatment options. Murine gammaherpesvirus-68 (MHV-68) ... -
Immunopathological characterization of red focal changes in Atlantic salmon (Salmo salar) white muscle
Bjørgen, Håvard; Kumar, Subramani; Gunnes, Gjermund; Press, Charles McLean; Rimstad, Espen; Koppang, Erling Olaf (Peer reviewed; Journal article, 2020)Farmed Atlantic salmon (Salmo salar) are prone to various conditions affecting the quality of the fillet. A well-known but so far poorly understood condition is the focal red changes in muscle, often referred to as ... -
Injection vaccines formulated with nucleotide, liposomal or mineral oil adjuvants induce distinct differences in immunogenicity in rainbow trout
Villumsen, Kasper Rømer; Kania, Per W.; Christensen, Dennis; Koppang, Erling Olaf; Bojesen, Anders Miki (Peer reviewed; Journal article, 2020)Protection facilitated by the widespread use of mineral oil adjuvanted injection vaccines in salmonid fish comes with adverse effects of varying severity. In this study, we characterized the immunological profiles of two ... -
Lymphoid Tissue in Teleost Gills: Variations on a Theme
Resseguier, Julien; Dalum, Alf Seljenes; Du Pasquier, Louis; Zhang, Yaqing; Koppang, Erling Olaf; Boudinot, Pierre; Wiegertjes, Geert Frits (Peer reviewed; Journal article, 2020)In bony fish, the gill filaments are essential for gas exchanges, but also are vulnerable to infection by water-borne microorganisms. Omnipresent across fish, gill-associated lymphoid tissues (GIALT) regulate interactions ... -
Melanized focal changes in skeletal muscle in farmed Atlantic salmon after natural infection with Piscine orthoreovirus (PRV)
Bjørgen, Håvard; Haldorsen, Randi; Oaland, Øyvind; Kvellestad, Agnar Ståle; Kannimuthu, Dhamotharan; Rimstad, Espen; Koppang, Erling Olaf (Journal article; Peer reviewed, 2019) -
Mørke flekker i laksefilet. Kunnskapsstatus og tiltak for å begrense omfanget
Mørkøre, Turid; Larsson, Thomas; Kvellestad, Agnar Ståle; Koppang, Erling Olaf; Åsli, Magnus; Krasnov, Aleksei; Dessen, Jens-Erik; Moreno, Helena Maria; Valen, Elin Christine; Gannestad, Kjellrun Hoås; Gjerde, Bjarne; Taksdal, Torunn; Bæverfjord, Grete; Meng, Yuqiong; Heia, Karsten; Wold, Jens Petter; Borderias, A.J.; Moghadam, Hooman; Romarheim, Odd Helge; Rørvik, Kjell-Arne (Research report, 2015)Forekomsten av mørke flekker i laksefilet har økt betraktelig senere årene. I dag har hver femte filet slike flekker som i hovedsak er opp til 3 cm i diameter og lokalisert til filetens bukområde. Store ryggflekker har ... -
Optimalt fôr som gir fast filet
Mørkøre, Turid; Koppang, Erling Olaf; Espe, Marit; Larsson, Thomas; Veiseth-Kent, Eva; Terjesen, Bendik Fyhn; Standal, Inger Beate; Rørvik, Kjell-Arne (Nofima rapportserie;, Research report, 2010)Formålet med studien var å undersøke om fôr tilsatt aminosyrene arginin eller glutamat kan forbedre teksturen av oppdrettslaks. I tillegg ønsket vi å undersøke om bløt filet kan knyttes til nedsatt leverfunksjon eller andre ... -
Piscine orthoreovirus (PRV) in red and melanised foci in white muscle of Atlantic salmon (Salmo salar)
Bjørgen, Håvard; Wessel, Øystein; Fjelldal, Per Gunnar; Hansen, Tom Johnny; Sveier, Harald; Sæbø, Håkon Rydland; Enger, Katrine Bones; Monsen, Erik; Kvellestad, Agnar Ståle; Rimstad, Espen; Koppang, Erling Olaf (Journal article; Peer reviewed, 2015) -
PRV-1 Infected Macrophages in Melanized Focal Changes in White Muscle of Atlantic Salmon (Salmo salar) Correlates With a Pro-Inflammatory Environment
Malik, Muhammad Salman; Bjørgen, Håvard; Nyman, Ingvild Berg; Wessel, Øystein; Koppang, Erling Olaf; Dahle, Maria; Rimstad, Espen (Peer reviewed; Journal article, 2021) -
Red and melanized focal changes in white skeletal muscle in Atlantic salmon (Salmo salar): Comparative analysis of farmed, wild and hybrid fish reared under identical conditions
Brimsholm, Malin Helen; Fjelldal, Per Gunnar; Hansen, Tom Johnny; Fraser, Thomas; Solberg, Monica Favnebøe; Glover, Kevin Alan; Koppang, Erling Olaf; Bjørgen, Håvard (Peer reviewed; Journal article, 2023)Selective breeding plays a vital role in the production of farmed Atlantic salmon and has shown success in many aspects. Still, challenges related to fish health and welfare continue to result in significant economic losses. ... -
Salmonid T cells assemble in the thymus, spleen and in novel interbranchial lymphoid tissue
Koppang, Erling Olaf; Fischer, Uwe; Moore, Lindsey; Tranulis, Michael Andreas; Dijkstra, Johannes Martinus; Köllner, Bernd; Aune, Laila; Jirillo, Emilio; Hordvik, Ivar (Peer reviewed; Journal article, 2010)In modern bony fishes, or teleost fish, the general lack of leucocyte markers has greatly hampered investigations of the anatomy of the immune system and its reactions involved in inflammatory responses. We have previously ... -
Soft texture of Atlantic salmon fillets is associated with glycogen accumulation
Torgersen, Jacob; Koppang, Erling Olaf; Stien, Lars Helge; Kohler, Achim; Pedersen, Mona Elisabeth; Mørkøre, Turid (Journal article; Peer reviewed, 2014) -
The teleost polymeric Ig receptor counterpart in ballan wrasse (Labrus bergylta) differs from pIgR in higher vertebrates
Etayo, Angela; Bjørgen, Håvard; Koppang, Erling Olaf; Hordvik, Ivar (Journal article; Peer reviewed, 2022) -
A teleost structural analogue to the avian bursa of Fabricius
Løken, Oskar Mongstad; Bjørgen, Håvard; Hordvik, Ivar; Koppang, Erling Olaf (Peer reviewed; Journal article, 2019)The bursa of Fabricius is a primary and secondary lymphoid organ considered exclusively present in birds, and studies of this structure have been vital to our current understanding of the adaptive immune system of vertebrates. ... -
The Distribution of IgT mRNA<sup>+</sup> Cells in the Gut of the Atlantic Salmon (Salmo salar L.)
Castro, Pedro Luis; Barac, Fran; Hansen, Tom Johnny; Fjelldal, Per Gunnar; Hordvik, Ivar; Bjørgen, Håvard; Koppang, Erling Olaf (Peer reviewed; Journal article, 2023) -
Variations in mucous cell numbers in gills of Atlantic salmon (Salmo salar) presmolt in commercial freshwater farms in Norway
Persson, David Erik Ludvig; Bjørgen, Håvard; Figenschou, Alexander Joachim Hatchek; Hillestad, Linn-Anett; Koppang, Erling Olaf; Nødtvedt, Ane C. W.; Stormoen, Marit (Peer reviewed; Journal article, 2020)Fish gills are heavily exposed to the external milieu and may react against irritants with different cellular responses. We describe variations in mucous cell counts in gills from healthy Atlantic salmon (Salmo salar) ... -
Vertebral column deformity with curved cross-stitch vertebrae in Norwegian seawater-farmed Atlantic salmon, Salmo salar L.
Trangerud, Cathrine; Bjørgen, Håvard; Koppang, Erling Olaf; Grøntvedt, Randi; Skogmo, Hege Kippenes; Ottesen, Nina; Kvellestad, Agnar (Peer reviewed; Journal article, 2020)Pathological changes in the vertebral column of farmed Atlantic salmon in Norway have been reported since the 1990s. Based on the characteristic radiographic findings, we here present a vertebral column deformity named ...