Blar i Brage IMR på forfatter "Karlsbakk, Egil"
-
A new intracellular bacterium, Candidatus Similichlamydia labri sp. nov. (Chlamydiaceae) producing epitheliocysts in ballan wrasse, Labrus bergylta (Pisces, Labridae)
Steigen, Andreas; Karlsbakk, Egil; Plarre, Heidrun; Watanabe, Kuninori; Øvergård, Aina-Cathrine; Brevik, Øyvind; Nylund, Are (Journal article; Peer reviewed, 2014-11-22)Certain wrasse species (Labridae) are used as cleaner fish in salmon farms on the Norwegian coast, reducing salmon louse intensities. The pathogen repertoire of wrasse in Norway is poorly known, and the objective of the ... -
Alien plants, animals, fungi and algae in Norway: an inventory of neobiota
Sandvik, Hanno; Dolmen, Dag; Elven, Reidar; Falkenhaug, Tone; Forsgren, Elisabet; Hansen, Haakon; Hassel, Kristian; Husa, Vivian; Kjærstad, Gaute; Ødegaard, Frode; Pedersen, Hans Christian; Solheim, Halvor; Stokke, Bård Gunnar; Åsen, Per Arvid; Åström, Sandra Charlotte Helene; Brandrud, Tor Erik; Elven, Hallvard; Endrestøl, Anders; Finstad, Anders Gravbrøt; Fredriksen, Stein; Gammelmo, Øivind; Gjershaug, Jan Ove; Gulliksen, Bjørn; Hamnes, Inger Sofie; Hatteland, Bjørn Arild; Hegre, Hanne; Hesthagen, Trygve H.; Jelmert, Anders; Jensen, Thomas Correll; Johnsen, Stein Ivar; Karlsbakk, Egil; Magnusson, Christer; Nedreaas, Kjell Harald; Nordén, Björn; Oug, Eivind; Pedersen, Oddvar; Pedersen, Per Anker; Sjøtun, Kjersti; Skei, Jon Kristian; Solstad, Heidi; Sundheim, Leif; Swenson, Jon; Syvertsen, Per Ole; Talgø, Venche; Vandvik, Vigdis; Westergaard, Kristine Bakke; Wienerroither, Rupert; Ytrehus, Bjørnar; Hilmo, Olga; Henriksen, Snorre; Gederaas, Lisbeth (Journal article; Peer reviewed, 2019)We present the results of an inventory and status assessment of alien species in Norway. The inventory covered all known multicellular neobiota, 2496 in total, 1039 of which were classified as naturalised. The latter ... -
Alien species in Norway: results from quantitative ecological impact assessments
Sandvik, Hanno; Hilmo, Olga; Henriksen, Snorre; Elven, Reidar; Åsen, Per Arvid; Hegre, Hanne; Pedersen, Oddvar; Pedersen, Per Anker; Solstad, Heidi; Vandvik, Vigdis; Westergaard, Kristine Bakke; Ødegaard, Frode; Åström, Sandra Charlotte Helene; Elven, Hallvard; Endrestøl, Anders; Gammelmo, Øivind; Hatteland, Bjørn Arild; Solheim, Halvor; Nordén, Björn; Sundheim, Leif; Talgø, Venche; Falkenhaug, Tone; Gulliksen, Bjørn; Jelmert, Anders; Oug, Eivind; Sundet, Jan Henry; Forsgren, Elisabet; Finstad, Anders Gravbrøt; Hesthagen, Trygve H.; Nedreaas, Kjell Harald; Wienerroither, Rupert; Husa, Vivian; Fredriksen, Stein; Sjøtun, Kjersti; Steen, Henning; Hansen, Haakon; Hamnes, Inger Sofie; Karlsbakk, Egil; Magnusson, Christer; Ytrehus, Bjørnar; Pedersen, Hans Christian; Swenson, Jon; Syvertsen, Per Ole; Stokke, Bård Gunnar; Gjershaug, Jan Ove; Dolmen, Dag; Kjærstad, Gaute; Johnsen, Stein Ivar; Jensen, Thomas Correll; Hassel, Kristian; Gederaas, Lisbeth (Journal article, 2020)1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in ... -
Alien species in Norway: results from quantitative ecological impact assessments
Sandvik, Hanno; Hilmo, Olga; Henriksen, Snorre; Elven, Reidar; Åsen, Per Arvid; Hegre, Hanne; Pedersen, Oddvar; Pedersen, Per Anker; Solstad, Heidi; Vandvik, Vigdis; Westergaard, Kristine Bakke; Ødegaard, Frode; Åström, Sandra Charlotte Helene; Elven, Hallvard; Endrestøl, Anders; Gammelmo, Øivind; Hatteland, Bjørn Arild; Solheim, Halvor; Nordén, Björn; Sundheim, Leif; Talgø, Venche; Falkenhaug, Tone; Gulliksen, Bjørn; Jelmert, Anders; Oug, Eivind; Sundet, Jan Henry; Forsgren, Elisabet; Finstad, Anders Gravbrøt; Hesthagen, Trygve H.; Nedreaas, Kjell Harald; Wienerroither, Rupert; Husa, Vivian; Fredriksen, Stein; Sjøtun, Kjersti; Steen, Henning; Hansen, Haakon; Hamnes, Inger Sofie; Karlsbakk, Egil; Magnusson, Christer; Ytrehus, Bjørnar; Pedersen, Hans Christian; Swenson, Jon; Syvertsen, Per Ole; Stokke, Bård Gunnar; Gjershaug, Jan Ove; Dolmen, Dag; Kjærstad, Gaute; Johnsen, Stein Ivar; Jensen, Thomas Correll; Hassel, Kristian; Gederaas, Lisbeth (Peer reviewed; Journal article, 2020)1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in ... -
Amerikansk hummer i Norge: Harmløst tilskudd i den norske fauna eller potensiell kilde til genetisk forurensning og nye sykdommer?
Sandlund, Nina; Karlsbakk, Egil; Farestveit, Eva; Einen, Ann Cathrine Bårdsgjære; Agnalt, Ann-Lisbeth (Havforskningsnytt;Nr. 7 - 2011, Working paper, 2011)I 2009 og 2010 mottok Havforskningsinstituttet flere amerikanske hummere fanget i Norge som hadde tydelige skader i skallet. Skadene ligner en skallsykdom som er funnet på amerikansk hummer i USA og Canada, og er ... -
Amoebic gill disease due to Paramoeba perurans in ballan wrasse (Labrus bergylta)
Karlsbakk, Egil; Olsen, Anne Berit; Einen, Ann-Cathrine B.; Mo, Tor Atle; Fiksdal, Ingrid U.; Aase, Hans; Kalgraff, Cathrine; Skår, Sjur-Åge; Hansen, Haakon (Journal article; Peer reviewed, 2013-07-11)Ballan wrasse (Labrus bergylta) is cultured for the use as cleaner fish in Atlantic salmon farms. A low level of mortality was experienced in ballan wrasse broodstock tanks during spawning. Examined moribund and clinically ... -
Annual report on health monitoring of wild anadromous salmonids in Norway
Garseth, Åse Helen; Madhun, Abdullah Sami; Biering, Eirik; Isachsen, Cecilie H.; Einen, Ann Cathrine B.; Barlaup, Bjørn; Karlsbakk, Egil (Rapport fra Havforskningen;7-2015, Working paper, 2015) -
Annual report on health monitoring of wild anadromous salmonids in Norway
Garseth, Åse Helen; Madhun, Abdullah Sami; Gjessing, Mona Cecilie; Moldal, Torfinn; Gjevre, Anne Gerd; Barlaup, Bjørn Torgeir; Karlsbakk, Egil (Rapport fra Havforskningen;17-2017, Research report, 2017) -
Annual report on health monitoring of wild anadromous salmonids in Norway
Biering, Eirik; Madhun, Abdullah Sami; Isachsen, Cecilie Helen; Omdal, Linn Maren; Einen, Ann Cathrine Bårdsgjære; Garseth, Åse Helen; Bjørn, Pål Arne; Nilsen, Rune; Karlsbakk, Egil (Rapport fra Havforskningen;Nr. 6-2013, Working paper, 2013-03-01) -
Annual report on health monitoring of wild anadromous salmonids in Norway
Madhun, Abdullah S.; Garseth, Åse Helen; Einen, Ann Cathrine B.; Fiksdal, Ingrid U.; Sindre, Hilde; Karlsson, Sten; Biering, Eirik; Barlaup, Bjørn; Karlsbakk, Egil (Rapport fra Havforskningen;22-2016, Working paper, 2016-05-02) -
Annual report on health monitoring of wild anadromous salmonids in Norway 2017
Madhun, Abdullah Sami; Skaala, Øystein; Nilsen, Rune; Serra-Llinares, Rosa Maria; Elvik, Kristine Marit Schrøder; Bjørn, Pål Arne; Karlsen, Ørjan; Svåsand, Terje; Karlsbakk, Egil (Rapport fra havforskningen;26-2018, Research report, 2018)Svært få funn av virus i tilbakevandrende laks selv om de samme virusene er vanlige i oppdrett Havforskningsinstituttet har undersøkt forekomsten av flere virus som er prevalent i oppdrett i tilbakevandrende laks fra ... -
Annual report on health monitoring of wild anadromous salmonids in Norway 2018 - Screening of migrating Atlantic salmon (Salmo salar) postsmolts from the Trondheim fjord for viral infections
Madhun, Abdullah Sami; Karlsen, Ørjan; Karlsbakk, Egil (Rapport fra havforskningen;2019 - 28, Research report, 2019)Very few virus infections found in migrating postsmolts from the Trondheim Fjord Commissioned by the Norwegian Food Safety Authority, the Institute of Marine Research has studied the occurrence of several potential ... -
Annual report on health monitoring of wild anadromous salmonids in Norway 2019: Screening of Atlantic salmon (Salmo salar) smolts for viral infections
Madhun, Abdullah Sami; Wennevik, Vidar; Utne, Kjell Rong; Karlsen, Ørjan; Kvamme, Bjørn Olav; Karlsbakk, Egil (Rapport fra havforskningen;2020 - 16, Research report, 2020) -
Atlantic salmon Salmo salar and ballan wrasse Labrus bergylta display different susceptibility to clonal strains of Paramoeba perurans
Dahle, Ole Martin Vik; Blindheim, Steffen H.; Nylund, Are; Karlsbakk, Egil; Breck, Olav; Glosvik, Henriette; Andersen, Linda (Peer reviewed; Journal article, 2020)Amoebic gill disease (AGD), caused by the marine amoeba Paramoeba perurans, is an important disease of farmed Atlantic salmon Salmo salar L. in Norway. The use of wrasse as cleaner fish in salmon net pens raises questions ... -
'Cand. Actinochlamydia clariae' gen. nov., sp. nov., a Unique Intracellular Bacterium Causing Epitheliocystis in Catfish (Clarias gariepinus) in Uganda
Steigen, Andreas; Nylund, Are; Karlsbakk, Egil; Akoll, Peter; Fiksdal, Ingrid U.; Nylund, Stian; Odong, Robinson; Plarre, Heidrun; Semyalo, Ronald; Skar, Cecilie; Watanbe, Kuninori (Journal article; Peer reviewed, 2013-06-24)Background and Objectives: Epitheliocystis, caused by bacteria infecting gill epithelial cells in fish, is common among a large range of fish species in both fresh-and seawater. The aquaculture industry considers epitheliocystis ... -
Detection of the myxosporean parasite Parvicapsula pseudobranchicola in Atlantic salmon (Salmo salar L.) using in situ hybridization (ISH)
Markussen, Turhan; Agusti-Ridaura, Celia; Karlsbakk, Egil; Nylund, Are; Brevik, Øyvind Jakobsen; Hansen, Haakon (Journal article; Peer reviewed, 2015-02-15)Parvicapsula pseudobranchicola is a marine myxosporean parasite infecting farmed Atlantic salmon (Salmo salar). A major site for the parasite is the pseudobranch, which may be destroyed in heavily infected fish. Parvicapsulosis ... -
Detection of the myxosporean parasite Parvicapsula pseudobranchicola in Atlantic salmon (Salmo salar L.) using in situ hybridization (ISH)
Markussen, Turhan; Agusti, Celia; Karlsbakk, Egil; Nylund, Are; Brevik, Øyvind; Hansen, Haakon (Journal article; Peer reviewed, 2015-02-15)Parvicapsula pseudobranchicola is a marine myxosporean parasite infecting farmed Atlantic salmon (Salmo salar). A major site for the parasite is the pseudobranch, which may be destroyed in heavily infected fish. Parvicapsulosis ... -
Diseases of farmed Atlantic salmon Salmo salar associated with infections by the microsporidian Paranucleospora theridion
Nylund, Stian; Andersen, Linda; Sævareid, I.; Plarre, Heidrun; Watanabe, Kuninori; Arnesen, Carl E.; Karlsbakk, Egil; Nylund, Are (Journal article; Peer reviewed, 2011-03-16)The microsporidian Paranucleospora theridion was discovered in Atlantic salmon Salmo salar suffering from proliferative gill disease in a marine farm in western Norway in 2008. The parasite develops in cells of the ... -
Fate of Francisella noatunensis, a pathogen of Atlantic cod Gadus morhua, in blue mussels Mytilus edulis
Wangen, Ingvild H.; Karlsbakk, Egil; Einen, Ann Cathrine Bårdsgjære; Ottem, Karl; Nylund, Are; Mortensen, Stein H. (Journal article; Peer reviewed, 2012-02-17)Francisellosis, caused by the bacterium Francisella noatunensis, is one of the most severe diseases affecting farmed cod, and has caused great economic loss for the cod farming industry in Norway. We studied the fate of ... -
Genetic analysis of goldsinny wrasse reveals evolutionary insights into population connectivity and potentialevidence of inadverent translocationvia aquaculture.
Jansson, Eeva; Sanchez, Maria Quintela; Dahle, Geir; Albretsen, Jon; Knutsen, Halvor; André, Carl; Strand, Åsa; Mortensen, Stein; Taggart, John B.; Karlsbakk, Egil; Kvamme, Bjørn Olav; Glover, Kevin (Peer reviewed; Journal article, 2017)