Browsing Brage IMR by Author "Totland, Geir K."
Now showing items 1-11 of 11
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Characterisation of the capsid protein gene from a nodavirus strain affecting the Atlantic halibut Hippoglossus hippoglossus and design of an optimal reverse-transcriptase polymerase chain reaction (RT-PCR) detection assay
Grotmol, Sindre; Nerland, Audun H.; Biering, Eirik; Totland, Geir K.; Nishizawa, Toyohiko (Journal article; Peer reviewed, 2000-01-14)1349 nucleotide fragment of the RNA2 from a nodavirus affecting Atlantic halibut Hippoglossus hippoglossus was characterised and the nuclotide sequence (accession no, AJ245641) was employed to develop an optimal ... -
Collagen type XI 1 may be involved in the structural plasticity of the vertebral coulm in Atlantic salmon (Salmo salar L.)
Wargelius, Anna; Fjelldal, Per Gunnar; Nordgarden, Ulla; Grini, Ane; Krossøy, B.; Grotmol, Sindre; Totland, Geir K.; Hansen, Tom (Journal article; Peer reviewed, 2010)Atlantic salmon (Salmo salar L.) vertebral bone displays plasticity in structure, osteoid secretion and mineralization in response to photoperiod. Other properties of the vertebral bone, such as mineral content and mechanical ... -
Collagen type XI 1 may be involved in the structural plasticity of the vertebral coulm in Atlantic salmon (Salmo salar L.)
Wargelius, Anna; Fjelldal, Per Gunnar; Nordgarden, Ulla; Grini, Ane; Krossøy, B.; Grotmol, Sindre; Totland, Geir K.; Hansen, Tom (Journal article; Peer reviewed, 2010)Atlantic salmon (Salmo salar L.) vertebral bone displays plasticity in structure, osteoid secretion and mineralization in response to photoperiod. Other properties of the vertebral bone, such as mineral content and mechanical ... -
Detection of a nodavirus-like agent in heart tissue from reared Atlantic salmon Salmo salar suffering from cardiac myopathy syndrome (CMS)
Grotmol, Sindre; Totland, Geir K.; Kryvi, Harald (Journal article; Peer reviewed, 1997-05-22)The present study shows that a nodavirus-like agent is associated with the lesions of cardiac myopathy syndrome (CMS), a disease of unknown etiology which affects reared adult Atlantic salmon Salmo salar. In archive ... -
Pathogenicity of nodavirus strains from striped jack Pseudocaranx dentex and Atlantic halibut Hippoglossus hippoglossus, studied by waterborne challenge of yolk-sac larvae of both teleost species
Totland, Geir K.; Grotmol, Sindre; Morita, Yuseko; Nishioka, Toyohiro; Nakai, Toshihiro (Journal article; Peer reviewed, 1999-11-30)The present study shows that differences in pathogenicity exist among fish nodavirus strains. In challenge trials, a Japanese strain (SJ93Nag) was highly virulent to larvae of the striped jack Pseudocaranx dentex but ... -
Surface disinfection of Atlantic halibut Hippoglossus hippoglossus eggs with ozonated sea-water inactivates nodavirus and increases survival of the larvae
Grotmol, Sindre; Totland, Geir K. (Journal article; Peer reviewed, 2000-01-14)Disinfection by ozonation of sea-water may reduce the risk of transmission of nodavirus, a major fish pathogen, via Atlantic halibut Hippoglossus hippoglossus eggs. In the present study, eggs at 4 d prior to hatching were ... -
Sustained swimming increases the mineral content and osteocyte density of salmon vertebral bone
Totland, Geir K.; Fjelldal, Per Gunnar; Kryvi, Harald; Løkka, Guro; Wargelius, Anna; Sagstad, Anita; Hansen, Tom; Grotmol, Sindre (Journal article; Peer reviewed, 2011-05-25)This study addresses the effects of increased mechanical load on the vertebral bone of post-smolt Atlantic salmon by forcing them to swim at controlled speeds. The fish swam continuously in four circular tanks for 9 weeks, ... -
Transcriptome sequencing of Atlantic salmon (Salmo salar L.) notochord prior to development of the vertebrae provides clues to regulation of positional fate, chordoblast lineage and mineralisation
Wang, Shou; Furmanek, Tomasz; Kryvi, Harald; Krossoy, Christel; Totland, Geir K.; Grotmol, Sindre; Wargelius, Anna (Journal article; Peer reviewed, 2014-02-19)Background: In teleosts such as Atlantic salmon (Salmo salar L.), segmentation and subsequent mineralisation of the notochord during embryonic stages are essential for normal vertebrae formation. However, the molecular ... -
Transmission of infectious salmon anaemia (ISA) through natural secretions and excretions from infected smolts of Atlantic salmon Salmo salar during their presymptomatic phase
Totland, Geir K.; Hjeltnes, Brit K.; Flood, Per R. (Journal article; Peer reviewed, 1996-07-18)Short-term (48 h) exposure of healthy Atlantic salmon Salmo salar L. smelts to infectious salmon anemia (ISA)-inoculated cohort smelts showed that the disease was transmitted with near 100% mortality from Day 7 post-inoculation ... -
Transmission of viral encephalopathy and retinopathy (VER) to yolk-sac larvae of the Atlantic halibut Hippoglossus hippoglossus: occurrence of nodavirus in various organs and a possible route of infection
Grotmol, Sindre; Bergh, Øivind; Totland, Geir K. (Journal article; Peer reviewed, 1999-05-12)The susceptibility of the Atlantic halibut Hippoglossus hippoglossus yolk-sac larvae to viral encephalopathy and retinopathy (VER) was investigated by waterborne challenge experiments with nodavirus. Transfer of VER was ... -
Vacuolating encephalopathy and retinopathy associated with a nodavirus-like agent: a probable cause of mass mortality of cultured larval and juvenile Atlantic halibut Hippoglossus hippoglossus
Grotmol, Sindre; Totland, Geir K.; Thorud, Kristin; Hjeltnes, Brit K. (Journal article; Peer reviewed, 1997-05-22)Reared larval and juvenile Atlantic halibut Hippoglossus hippoglossus collected during incidences of mass mortality in 2 hatcheries were studied by light and electron microscopy. A vacuolating encephalopathy and retinopathy ...