Blar i Bergen Open Research Archive på forfatter "Nylund, Are"
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Method for cryopreservation of Paramoeba perurans
Trösse, Christiane; Nylund, Are; Blindheim, Steffen H.; Andersen, Linda; Kindt, Mats Martin (Journal article; Peer reviewed, 2020-11-07)Paramoeba perurans causes amoebic gill disease (AGD), which is a major problem in aquaculture worldwide. The parasite can be cultured in vitro, but to this date, no method for long-term storage of the clones exists. In ... -
Molecular tools for the detection and identification of Ichthyobodo spp. (Kinetoplastida), important fish parasites
Isaksen, Trond Einar; Karlsbakk, Egil; Repstad, Oddvar; Nylund, Are (Peer reviewed; Journal article, 2012-12)Ichthyobodo spp. are ectoparasitic flagellates of fish that may cause disease (ichthyobodosis), a common problem affecting the aquaculture industry worldwide. Ichthyobodosis in farmed fish is often associated with a range ... -
Multiple Aeromonas strains isolated from Atlantic salmon (Salmo salar) displaying red skin disease signs in Scandinavian rivers
Lagadec, Erwan; Mjølnerød, Even Bysveen; Jensen, Øyvind Marius; Plarre, Heidrun; Nylund, Are (Journal article; Peer reviewed, 2023)Since 2014, Atlantic salmon (Salmo salar L.) displaying clinical signs of red skin disease (RSD), including haemorrhagic and ulcerative skin lesions, have been repeatedly observed in Swedish rivers. Although the disease ... -
Multiple-locus, variable number of tandem repeat analysis (MLVA) of the fish-pathogen Francisella noatunensis
Brevik, Øyvind Jakobsen; Ottem, Karl Fredrik; Nylund, Are (Peer reviewed; Journal article, 2011-01-24)Background: Since Francisella noatunensis was first isolated from cultured Atlantic cod in 2004, it has emerged as a global fish pathogen causing disease in both warm and cold water species. Outbreaks of francisellosis ... -
Net cleaning impacts Atlantic salmon gill health through microbiome dysbiosis
Elsheshtawy, Ahmed; Clokie, Benjamin Gregory James; Albalat, Amaya; Nylund, Are; Isaksen, Trond Einar; Indrebø, Elisabeth Napsøy; Andersen, Linda; Moore, Lindsey; Mackenzie, Simon (Journal article, 2023)Net biofouling has a significant impact for the global salmon industry in the seawater grow-out stage in terms of its management. Current mitigation strategies occur primarily through the regular removal of biofouling using ... -
A new aquareovirus causing high mortality in farmed Atlantic halibut fry in Norway
Blindheim, Steffen H.; Nylund, Are; Watanabe, Kuninori; Plarre, Heidrun; Erstad, Børre; Nylund, Stian (Peer reviewed; Journal article, 2015-01)A new aquareovirus was isolated from cultured Atlantic halibut (Hippoglossus hippoglossus) fry at a facility where massive mortalities had occurred during the start-feeding phase. The same virus was also detected in juveniles ... -
A new intracellular bacterium, Candidatus Similichlamydia labri sp. nov. (Chlamydiaceae) producing epitheliocysts in ballan wrasse, Labrus bergylta (Pisces, Labridae)
Steigen, Andreas L; Karlsbakk, Egil; Plarre, Heidrun; Watanabe, Kuninori; Øvergård, Aina-Cathrine; Brevik, Øyvind Jakobsen; Nylund, Are (Peer reviewed; Journal article, 2015-03)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 ... -
No influence of oxygen levels on pathogenesis and virus shedding in Salmonid alphavirus (SAV)-challenged Atlantic salmon (Salmo salar L.)
Andersen, Linda; Hodneland, Kjartan; Nylund, Are (Peer reviewed; Journal article, 2010-08-21)Background For more than three decades, diseases caused by salmonid alphaviruses (SAV) have become a major problem of increasing economic importance in the European fish-farming industry. However, experimental infection ... -
A novel protist parasite, Salmoxcellia vastator n. gen., n. sp. (Xcelliidae, Perkinsozoa), infecting farmed salmonids in Norway
Karlsbakk, Egil Erlingsson; Nystøyl, Cecilie Flatnes; Plarre, Heidrun; Nylund, Are (Journal article; Peer reviewed, 2021)Background In Norway, x-cell parasites associated with disease in farmed salmonids have been known as a rare phenomenon for two decades. These parasites cause systemic infections in farmed rainbow trout (Oncorhynchus ... -
Optimization of Low-Biomass Sample Collection and Quantitative PCR-Based Titration Impact 16S rRNA Microbiome Resolution
Clokie, Benjamin Gregory James; Elsheshtawy, Ahmed; Albalat, Amaya; Nylund, Are; Beveridge, Allan; Payne, Chris J.; Mackenzie, Simon A. (Journal article; Peer reviewed, 2022)The major aquatic interface between host and environment in teleost finfish species is the gill. The diversity of this infraclass, high complexity of the organ, and its direct exposure to the surrounding environment make ... -
Pathology of experimentally induced mouthrot caused by Tenacibaculum maritimum in Atlantic salmon smolts
Frisch, Kathleen Marie; Småge, Sverre Bang; Johansen, Renate; Duesund, Henrik; Brevik, Øyvind Jakobsen; Nylund, Are (Peer reviewed; Journal article, 2018-11-01)Mouthrot, caused by Tenacibaculum maritimum is a significant disease of farmed Atlantic salmon, Salmo salar on the West Coast of North America. Smolts recently transferred into saltwater are the most susceptible and affected ... -
Phenotypic and genetic characterization of Piscirickettsia salmonis from Chilean and Canadian salmonids
Otterlei, Alexander; Brevik, Øyvind Jakobsen; Jensen, Daniel; Duesund, Henrik; Sommerset, Ingunn; Frost, Petter; Mendoza, Julio; McKenzie, Peter; Nylund, Are; Apablaza, Patricia (Peer reviewed; Journal article, 2016-03-15)Background. The study presents the phenotypic and genetic characterization of selected P. salmonis isolates from Atlantic salmon and rainbow trout suffering from SRS (salmonid rickettsial septicemia) in Chile and in Canada. ... -
Phylogenetic analyses of Candidatus Branchiomonas cysticola refine the taxonomic classification of Betaproteobacteria associated with epitheliocystis in fish
Mjølnerød, Even Bysveen; Lagadec, Erwan; Nylund, Are (Journal article; Peer reviewed, 2023)Candidatus Branchiomonas cysticola is recognized as the most prevalent bacterial agent causing epitheliocystis in Atlantic salmon (Salmo salar). Based on its partial 16S rRNA sequence, the bacterium has previously been ... -
Phylogenetic analyses of Norwegian Tenacibaculum strains confirm high bacterial diversity and suggest circulation of ubiquitous virulent strains
Lagadec, Erwan; Småge, Sverre Bang; Trösse, Christiane; Nylund, Are (Journal article; Peer reviewed, 2021)Tenacibaculosis is a bacterial ulcerative disease affecting marine fish and represents a major threat to aquaculture worldwide. Its aetiological agents, bacteria belonging to the genus Tenacibaculum, have been present in ... -
Prevalence of infectious salmon anaemia virus (ISAV) in wild salmonids in western Norway
Plarre, Heidrun; Devold, M.; Snow, M.; Nylund, Are (Peer reviewed; Journal article, 2005-08-09)Studies of infectious salmon anaemia virus (ISAV), an important pathogen of farmed salmon in Norway, Scotland, the Faeroe Islands, Ireland, Canada, the USA and Chile, suggest that natural reservoirs for this virus can be ... -
Sequence variation in four mitochondrial genes of the salmon louse Lepeophtheirus salmonis
Tjensvoll, Kjersti; Glover, Kevin; Nylund, Are (Peer reviewed; Journal article, 2006-03-02)A total of 210 Lepeophtheirus salmonis collected from 7 locations (Scotland, Russia, Canada, Japan and 3 locations in Norway), were screened for sequence variation in 4 mitochondrial genes; ATPase subunit 6 (A6), Cytochrome ... -
Taxonomy of the order Mononegavirales: update 2019
Amarasinghe, Gaya K.; Ayllón, María A.; Bào, Yīmíng; Basler, Christopher F.; Bavari, Sina; Blasdell, Kim R.; Briese, Thomas; Brown, Paul A.; Bukreyev, Alexander; Balkema-Buschmann, Anne; Buchholz, Ursula J.; Chabi-Jesus, Camila; Chandran, Kartik; Chiapponi, Chiara; Crozier, Ian; de Swart, Rik L.; Dietzgen, Ralf G.; Dolnik, Olga; Drexler, Jan F.; Dürrwald, Ralf; Dundon, William G.; Duprex, W. Paul; Dye, John M.; Easton, Andrew J.; Fooks, Anthony R.; Formenty, Pierre B.H.; Fouchier, Ron A.M.; Freitas-Astúa, Juliana; Griffiths, Anthony; Hewson, Roger; Horie, Masayuki; Hyndman, Timothy H.; Jiāng, Dàohóng; Kitajima, Elliott W.; Kobinger, Gary P.; Kondo, Hideki; Kurath, Gael; Kuzmin, Ivan V.; Lamb, Robert A.; Lavazza, Antonio; Lee, Benhur; Lelli, Davide; Leroy, Eric M.; Lǐ, Jiànróng; Maes, Piet; Marzano, Shin-Yi L.; Moreno, Ana; Mühlberger, Elke; Netesov, Sergey V.; Nowotny, Norbert; Nylund, Are; Økland, Arnfinn Lodden; Palacios, Gustavo; Pályi, Bernadett; Pawęska, Janusz T.; Payne, Susan L.; Prosperi, Alice; Ramos-González, Pedro Luis; Rima, Bertus K.; Rota, Paul; Rubbenstroth, Dennis; Shī, Mǎng; Simmonds, Peter; Smither, Sophie J.; Sozzi, Enrica; Spann, Kirsten; Stenglein, Mark D.; Stone, David M.; Takada, Ayato; Tesh, Robert B.; Tomonaga, Keizō; Tordo, Noël; Towner, Jonathan S.; van den Hoogen, Bernadette; Vasilakis, Nikos; Wahl, Victoria; Walker, Peter J.; Wang, Lin-Fa; Whitfield, Anna E.; Williams, John V.; Zerbini, F. Murilo; Zhāng, Tāo; Zhang, Yong-Zhen; Kuhn, Jens H. (Journal article; Peer reviewed, 2019)In February 2019, following the annual taxon ratification vote, the order Mononegavirales was amended by the addition of four new subfamilies and 12 new genera and the creation of 28 novel species. This article presents ... -
Tenacibaculum finnmarkense sp. nov., a fish pathogenic bacterium of the family Flavobacteriaceae isolated from Atlantic salmon
Småge, Sverre Bang; Brevik, Øyvind Jakobsen; Duesund, Henrik; Ottem, Karl Fredrik; Watanabe, Kuninori; Nylund, Are (Peer reviewed; Journal article, 2016-02)A novel Gram-stain negative, aerobic, non-flagellated, rod-shaped gliding bacterial strain, designated HFJT, was isolated from a skin lesion of a diseased Atlantic salmon (Salmo salar L.) in Finnmark, Norway. Colonies were ... -
Variable Number of Tandem Repeats (VNTR) analysis of Flavobacterium psychrophilum from salmonids in Chile and Norway
Apablaza, Patricia; Brevik, Øyvind Jakobsen; Mjøs, Svein Are; Valdebenito, Samuel; Ilardi, Pedro; Battaglia, Juan; Dalsgaard, Inger; Nylund, Are (Peer reviewed; Journal article, 2015-07-14)Background Flavobacterium psychrophilum causes serious fish diseases such RTFS and BCWD, affecting the aquaculture industry worldwide. Commercial vaccines are not available and control of the disease depends on the use of ... -
Viral encephalopathy and retinopathy in Atlantic salmon Salmo salar after intraperitoneal challenge with a nodavirus from Atlantic halibut Hippoglossus hippoglossus
Korsnes, Kjetil; Devold, Magnus; Nerland, Audun; Nylund, Are (Peer reviewed; Journal article, 2005)Homogenate of tissue from juveniles of Atlantic halibut Hippoglossus hippoglossus suffering from viral encephalopathy and retinopathy (VER) was used to challenge smolt of Atlantic salmon Salmo salar with an initial average ...