Browsing Brage IMR by Author "Karlsbakk, Egil Erlingsson"
Now showing items 1-14 of 14
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Characterization of Pseudoterranova ceticola (Nematoda: Anisakidae) larvae from meso/bathypelagic fishes off Macaronesia (NW Africa waters)
Bao, Miguel; Olsen, Kaja M.; Levsen, Arne; Cipriani, Paolo; Giulietti, Lucilla; Storesund, Julia Endresen; García-Seoane, Eva; Karlsbakk, Egil Erlingsson (Peer reviewed; Journal article, 2022)The genus Pseudoterranova includes parasite species of cetaceans and pinnipeds. The third stage larva (L3) of seal-infecting species occur in second intermediate or paratenic fish hosts mainly in neritic waters. This study ... -
Distribution of Kudoa thyrsites (Cnidaria, Myxozoa) myoliquefactive stages in Northeast Atlantic mackerel (Scomber scombrus) inferred from qPCR and histology
Giulietti, Lucilla; Johansen Nedberg, Heidi; Karlsbakk, Egil Erlingsson; Marathe, Nachiket Prakash; Storesund, Julia Endresen; Mæhle, Stig; Fiksdal, Ingrid Uglenes; Ghebretnsae, Dawit Berhe; Levsen, Arne (Peer reviewed; Journal article, 2022)Kudoa thyrsites is a myxosporean parasite (Cnidaria, Myxozoa) that infects the skeletal and cardiac muscle of Northeast Atlantic (NEA) mackerel (Scomber scombrus). Heavy infections are associated with post-mortem myoliquefaction ... -
Experimental transmission of piscine orthoreovirus-1 (PRV-1) in different life stages of Atlantic salmon (Salmo salar) and brown trout (Salmo trutta)
Kannimuthu, Dhamotharan; Roh, HyeongJin; Morton, Hugh Craig; Penaranda, Ma Michelle Demogina; Vossgård, Anne; Hansen, Tom Johnny; Fjelldal, Per Gunnar; Karlsbakk, Egil Erlingsson; Fiksdal, Ingrid Uglenes; Dahle, Maria; Berg-Rolness, Hakon Schau; Mæhle, Stig; Ghebretnsae, Dawit Berhe; Nordbø, Joachim; Patel, Sonal; Madhun, Abdullah Sami; Grove, Søren; Kvamme, Bjørn Olav (Peer reviewed; Journal article, 2023)Piscine orthoreovirus -1 (PRV-1) causes the disease heart and skeletal muscle inflammation (HSMI) in farmed Atlantic salmon, and the virus has been detected in wild anadromous Atlantic salmon and brown trout. However, the ... -
First identification of mycobacteriosis in Atlantic mackerel (Scomber scombrus)
Sandlund, Nina; Skår, Cecilie Kristin; Karlsbakk, Egil Erlingsson (Peer reviewed; Journal article, 2023)Mycobacterium infection in fish is a well-known disease problem globally, mainly in the farming of ornamental fish or fish for food. Less is known about the prevalence, distribution and the effects such infections have on ... -
High prevalence of Ichthyophonus sp. infections in Northeast Atlantic mackerel (Scomber scombrus)
Storesund, Julia Endresen; Nylund, Caroline Da Silva; Karlsbakk, Egil Erlingsson; Giulietti, Lucilla; Bao, Miguel; Cipriani, Paolo; Levsen, Arne (Peer reviewed; Journal article, 2022) -
The infection cycle of Marteilia pararefringens in blue mussels, Mytilus edulis, in a heliothermic marine oyster lagoon in Norway.
Bøgwald, Mats; Skår, Cecilie Kristin; Karlsbakk, Egil Erlingsson; Alfjorden, Anders; Feist, Stephen W.; Bass, David; Mortensen, Stein (Peer reviewed; Journal article, 2022)Agapollen is a traditional heliothermic marine oyster lagoon in western Norway, representing the northernmost site of any Marteilia sp. protists detected in Europe. The semi-closed lagoon is a unique site to study the life ... -
Kunnskapsgrunnlag for mulig påvirkning fra oppdrettstorsk og levendelagret torsk på villtorsk
Bjørn, Pål Arne; Glover, Kevin Alan; Grefsrud, Ellen Sofie; Espeland, Sigurd Heiberg; Karlsbakk, Egil Erlingsson; Karlsen, Ørjan; van der Meeren, Terje; Moland, Even; Sandlund, Nina; Sæther, Bjørn-Steinar; Sætra, Ingeborg Mathisen; Svåsand, Terje (Rapport fra havforskningen;2021 - 22, Research report, 2021)Det er igjen økende interesse for torskeoppdrett, denne gang med en domestisert oppdrettstorsk som vil ha egenskaper som skiller seg fra vill torsk. Det er behov for et oppdatert kunnskapsgrunnlag om risiko for påvirkning ... -
Long-term investigation of the ‘soft flesh’ condition in Northeast Atlantic mackerel induced by the myxosporean parasite Kudoa thyrsites (Cnidaria, Myxozoa): Temporal trends and new molecular epidemiological observations
Giulietti, Lucilla; Karlsbakk, Egil Erlingsson; Cipriani, Paolo; Bao Dominguez, Miguel; Storesund, Julia Endresen; Marathe, Nachiket; Levsen, Arne (Peer reviewed; Journal article, 2022)Northeast Atlantic (NEA) mackerel (Scomber scombrus, Scombridae) represents an economically important target for the Norwegian pelagic fishing industry. Despite the commercial significance of NEA mackerel, little is known ... -
Occurrence of salmonid alphavirus and piscine orthoreovirus-1 infections in migrating salmon (Salmo salar L.) post-smolt in western Norway
Madhun, Abdullah Sami; Nilsen, Rune; Barlaup, Bjørn Torgeir; Karlsen, Ørjan; Karlsbakk, Egil Erlingsson (Peer reviewed; Journal article, 2023)Viral diseases are a serious problem in Atlantic salmon (Salmo salar L.) farming in Norway, often leading to reduced fish welfare and increased mortality. Disease outbreaks in salmon farms may lead to spread of viruses to ... -
Resurrection of genus Phocanema Myers, 1959, as a genus independent from Pseudoterranova Mozgovoĭ, 1953, for nematode species (Anisakidae) parasitic in pinnipeds and cetaceans, respectively
Bao, Miguel; Giulietti, Lucilla; Levsen, Arne; Karlsbakk, Egil Erlingsson (Peer reviewed; Journal article, 2023)Species of the genus Pseudoterranova, infect kogiid cetaceans and pinnipeds. However, there is mounting molecular evidence that those from cetaceans and pinnipeds are not congeneric. Here, we provide further evidence of ... -
The salmon louse genome: Copepod features and parasitic adaptations
Skern-Mauritzen, Rasmus; Malde, Ketil; Eichner, Christiane; Dondrup, Michael; Furmanek, Tomasz; Besnier, Francois; Komisarczuk, Anna Zofia; Nuhn, Michael; Dalvin, Sussie; Edvardsen, Rolf Brudvik; Klages, Sven; Huettel, Bruno; Stueber, Kurt; Grotmol, Sindre; Karlsbakk, Egil Erlingsson; Kersey, Paul; Leong, Jong S; Glover, Kevin Alan; Reinhardt, Richard; Lien, Sigbjørn; Jonassen, Inge; Koop, Ben F; Nilsen, Frank (Peer reviewed; Journal article, 2021)Copepods encompass numerous ecological roles including parasites, detrivores and phytoplankton grazers. Nonetheless, copepod genome assemblies remain scarce. Lepeophtheirus salmonis is an economically and ecologically ... -
Tapeworm (Eubothrium sp.) infestation in sea caged Atlantic salmon decreased by lice barrier snorkels during a commercial-scale study
Geitung, Lena; Wright, Daniel William; Stien, Lars Helge; Oppedal, Frode; Karlsbakk, Egil Erlingsson (Peer reviewed; Journal article, 2021)Reports of infestation by marine parasitic tapeworms (Eubothrium sp.) and an associated growth reduction in Norwegian farmed salmon are on the rise. With few acceptable treatment options available, due to drug resistance ... -
The evolving story of catadromy in the European eel (Anguilla anguilla)
Durif, Caroline; Arts, M.; Bertolini, F.; Cresci, Alessandro; Daverat, F.; Karlsbakk, Egil Erlingsson; Koprivnikar, J.; Moland, Even; Olsen, Esben Moland; Parzanini, C.; Power, M.; Rohtla, Mehis; Skiftesvik, Anne Berit; Thorstad, Eva Bonsak; Vøllestad, Leif Asbjørn; Browman, Howard (Peer reviewed; Journal article, 2023)Anguillid eels were once considered to be the classic example of catadromy. However, alternative life cycles have been reported, including skipping the freshwater phase and habitat shifting between fresh, brackish, and ... -
The evolving story of catadromy in the European eel (Anguilla anguilla)
Durif, Caroline; Arts, M.; Bertolini, F.; Cresci, Alessandro; Daverat, F.; Karlsbakk, Egil Erlingsson; Koprivnikar, J.; Moland, Even; Olsen, Esben Moland; Parzanini, C.; Power, M.; Rohtla, Mehis; Skiftesvik, Anne Berit; Thorstad, Eva Bonsak; Vøllestad, Leif Asbjørn; Browman, Howard (Peer reviewed; Journal article, 2023)Anguillid eels were once considered to be the classic example of catadromy. However, alternative life cycles have been reported, including skipping the freshwater phase and habitat shifting between fresh, brackish, and ...