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Duncan John Colquhoun

Professor
Journal articles
  • Gulla, Snorre; Bayliss, Sion; Björnsdóttir, Bryndís; Dalsgaard, Inger; Haenen, Olga; Jansson, Eva; McCarthy, Una; Scholz, Felix; Vercauteren, Maaike; Verner-Jeffreys, David; Welch, Tim; Wiklund, Tom; Colquhoun, Duncan John. 2019. Biogeography of the fish pathogen Aeromonas salmonicida inferred by vapA genotyping. FEMS Microbiology Letters. 366. doi: 10.1093/femsle/fnz074
  • Gulla, Snorre; Mohammad, Saima; Colquhoun, Duncan John. 2019. Multi-locus variable-number tandem-repeat analysis of the fish-pathogenic bacterium Yersinia ruckeri by multiplex PCR and capillary electrophoresis. Journal of Visualized Experiments. 148:e59455: 1-6. doi: 10.3791/59455
  • Kverme, Karen Obrestad; Haugland, Gyri Teien; Hannisdal, Rita; Kallekleiv, Marielle; Colquhoun, Duncan John; Lunestad, Bjørn Tore; Wergeland, Heidrun Inger; Samuelsen, Ole Bent. 2019. Pharmacokinetics of florfenicol in lumpfish (Cyclopterus lumpus L.) after a single oral administration. Aquaculture. 512:734279: 1-7. doi: 10.1016/j.aquaculture.2019.734279
  • Mwega, Elisa Daniel; Colquhoun, Duncan John; Tuntufye, Huruma; Mdegela, Robinson; Mutoloki, Stephen; Evensen, Øystein; Wasteson, Yngvild. 2019. Isolation and Characterization of Flavobacteriaceae from Farmed and Wild Nile Tilapia in Tanzania. Journal of Aquatic Animal Health. doi: 10.1002/aah.10048
  • Turgay, Emre; Steinum, Terje; Colquhoun, Duncan John; Karatas, Süheyla. 2019. Environmental biofilm communities associated with early-stage common dentex (Dentex dentex) culture. Journal of Applied Microbiology. 126: 1032-1043. doi: 10.1111/jam.14205
  • Eggestøl, Håvard Øritsland; Lunde, Harald Sæbø; Rønneseth, Anita; Fredman, David; Petersen, Kjell; Mishra, Charitra Kumar; Furmanek, Tomasz; Colquhoun, Duncan John; Wergeland, Heidrun Inger; Haugland, Gyri Teien. 2018. Transcriptome-wide mapping of signaling pathways and early immune responses in lumpfish leukocytes upon in vitro bacterial exposure. Scientific Reports. 8:5261: 1-14. doi: 10.1038/s41598-018-23667-x
  • Gulla, Snorre; Barnes, Andrew C.; Welch, Timothy J.; Romalde, Jesús L.; Ryder, David; Ormsby, Michael J.; Carson, Jeremy; Lagesen, Karin; Verner-Jeffreys, David W.; Davies, Robert L.; Colquhoun, Duncan John. 2018. Multilocus variable-number tandem-repeat analysis of Yersinia ruckeri confirms the existence of host specificity, geographic endemism, and anthropogenic dissemination of virulent clones. Applied and Environmental Microbiology. 84:e00730-18: 1-13. doi: 10.1128/aem.00730-18
  • Gulla, Snorre; Wiik-Nielsen, Jannicke; Colquhoun, Duncan John. 2018. Yersiniose i norsk lakseoppdrett: kunnskapsstatus. Norsk Fiskeoppdrett. 3: 48-51.
  • Gulla, Snorre; Wiik-Nielsen, Jannicke; Colquhoun, Duncan John. 2018. Yersiniose i norsk lakseoppdrett: Kunnskapsstatus. Norsk Veterinærtidsskrift. 4: 236-239.
  • Gulla, Snorre; Rønneseth, Anita; Sørum, Henning; Vågnes, Øyvind Brune; Balboa, Sabela; Romalde, Jesús L.; Colquhoun, Duncan John. 2017. Vibrio tapetis from wrasse used for ectoparasite bio-control in salmon farming: Phylogenetic analysis and serotyping. Diseases of Aquatic Organisms. 125: 189-197. doi: 10.3354/dao03140
  • Lagos, Leidy; Tandberg, Julia Isabel; Kashulin, Alexander; Colquhoun, Duncan John; Sørum, Henning; Winther-Larsen, Hanne Cecilie. 2017. Isolation and Characterization of Serum Extracellular Vesicles (EVs) from Atlantic Salmon Infected with Piscirickettsia Salmonis. Proteomes.
  • Nordstrand, H.; Sæbjørnsen, H.; Vaagnes, Ø.; Glosvik, H.; Colquhoun, Duncan John. 2017. Utfordrende å vaksinere rognkjeks mot atypisk Aeromonas salmonicida. Norsk Fiskeoppdrett.
  • Olsen, Anne Berit; Gulla, Snorre; Steinum, Terje; Colquhoun, Duncan John; Nilsen, Hanne Katrine; Duchaud, Eric. 2017. Multilocus sequence analysis reveals extensive genetic variety within Tenacibaculum spp. associated with ulcers in sea-farmed fish in Norway. Veterinary Microbiology. 205: 39-45. doi: 10.1016/j.vetmic.2017.04.028
  • Ramirez-Paredes, G.; Thompson, K.D.; Metselaar, M.; Shahin, K.; Soto, E.; Richards, R.H.; Penman, D.J.; Colquhoun, Duncan John; Adams, A. 2017. A polyphasic approach for phenotypic and genetic characterisation of the fastidious aquatic pathogen Francisella noatunensis subsp. orientalis. Frontiers in Microbiology. 8. 5 pages. doi: 10.3389/fmicb.2017.02324
  • Rønneseth, Anita; Haugland, Gyri Teien; Colquhoun, Duncan John; Brudal, E.; Wergeland, Heidrun Inger. 2017. Protection and antibody reactivity following vaccination of lumpfish (Cyclopterus lumpus L.) against atypical Aeromonas salmonicida. Fish and Shellfish Immunology. 64: 383-391. doi: 10.1016/j.fsi.2017.03.040
  • Wiik-Nielsen, Jannicke; Gjessing, Mona Cecilie; Solheim, Heidi Tetlie; Litlabø, Amund; Gjevre, Anne Gerd; Kristoffersen, Anja Bråthen; Powell, Mark; Colquhoun, Duncan John. 2017. Ca. Branchiomonas cysticola, Ca. Piscichlamydia salmonis and Salmon Gill Pox Virus transmit horizontally in Atlantic salmon held in fresh water. Journal of Fish Diseases. 40: 1387-1394. doi: 10.1111/jfd.12613
  • Wiik-Nielsen, Jannicke; Gjevre, Anne Gerd; Colquhoun, Duncan John. 2017. Ny kunnskap om "epiteliocystis" hos laks. Norsk Fiskeoppdrett. 2. 50-51.
  • Alarcon, Marta; Gulla, Snorre; Røsæg, Magnus Vikan; Rønneseth, Anita; Wergeland, Heidrun Inger; Poppe, Trygve T; Nilsen, Hanne Katrine; Colquhoun, Duncan John. 2016. Pasteurellosis in lumpsucker Cyclopterus lumpus, farmed in Norway. Journal of Fish Diseases. 39: 489-495. doi: 10.1111/jfd.12366
  • Biering, Eirik; Vågnes, Øyvind Brune; Krossøy, Bjørn; Gulla, Snorre; Colquhoun, Duncan John. 2016. Challenge models for atypical Aeromonas salmonicida and Vibrio anguillarum in farmed Ballan wrasse (Labrus bergylta) and preliminary testing of a trial vaccine against atypical Aeromonas salmonicida. Journal of Fish Diseases. 39: 1257-1261. doi: 10.1111/jfd.12450
  • Gulla, Snorre; Duodu, Samuel; Nilsen, Arve; Fossen, Inge; Colquhoun, Duncan John. 2016. Aeromonas salmonicida infection levels in pre- and post-stocked cleaner fish assessed by culture and an amended qPCR assay. Journal of Fish Diseases. 39: 867-877. doi: 10.1111/jfd.12420
  • Gulla, Snorre; Lund, Vera; Kristoffersen, Anja Bråthen; Sørum, Henning; Colquhoun, Duncan John. 2016. vapA (A-layer) typing differentiates Aeromonas salmonicida subspecies and identifies a number of previously undescribed subtypes. Journal of Fish Diseases. 39: 329-342. doi: 10.1111/jfd.12367
  • Steinum, Terje; Karataş, Süheyla; Tandstad, Nora Martinussen; Meirelles, Pedro M.; Thompson, Fabiano L.; Colquhoun, Duncan John. 2016. Multilocus sequence analysis of close relatives Vibrio anguillarum and Vibrio ordalii. Applied and Environmental Microbiology. 82: 5496-5504. doi: 10.1128/AEM.00620-16
  • Colquhoun, Duncan John; Lagesen, Karin; Vestby, Lene Karine; Gulla, Snorre. 2015. Yersiniose – et økende problem i norsk fiskeoppdrett? Norsk Fiskeoppdrett. 15: 48-50.
  • Gulla, Snorre; Krossøy, Bjørn; Vågnes, Øyvind Brune; Colquhoun, Duncan John. 2015. Aeromonas salmonicida hos leppefisk: kartlegging av prevalens. Norsk Fiskeoppdrett. 3: 48-49.
  • Gulla, Snorre; Sørum, Henning; Vågnes, Øyvind Brune; Colquhoun, Duncan John. 2015. Phylogenetic analysis and serotyping of Vibrio splendidus-related bacteria isolated from salmon farm cleaner fish. Diseases of Aquatic Organisms. 117: 121-131. doi: 10.3354/dao02938
  • Ruane, Neil; Bolton-Warberg, Majbritt; Rodger, Hamish; Colquhoun, Duncan John; Geary, Michelle; Mccleary, Stephen John; O'Halloran, Kieran; Maher, Ken; O'Keeffe, Damien; Mirimin, Luca; Henshilwood, Kathleen; Geoghegan, Fiona; Fitzgerald, Richard D. 2015. An outbreak of francisellosis in wild-caught Celtic Sea Atlantic cod, Gadus morhua L., juveniles reared in captivity. Journal of Fish Diseases. 38: 97-102. doi: 10.1111/jfd.12210
  • Abayneh Tefera, Takele; Colquhoun, Duncan John; Austin, D.; Sørum, Henning. 2014. Multilocus variable number tandem repeat analysis of Edwardsiella piscicida isolates pathogenic to fish. Journal of Fish Diseases. 37: 941-948. doi: 10.1111/jfd.12190
  • Brynildsrud, Ola Brønstad; Feil, Edward J.; Bohlin, Jon; Castillo-Ramirez, Santiago; Colquhoun, Duncan John; McCarthy, Una; Matejusova, Iveta; Rhodes, Linda D.; Wiens, Gregory D.; Verner-Jeffreys, David W. 2014. Microevolution of Renibacterium salmoninarum: evidence for intercontinental dissemination associated with fish movements. The ISME Journal. doi: 10.1038/ismej.2013.186
  • Karlsen, Christian; Ellingsen, Anette Bauer; Wiik-Nielsen, Christer R.; Winther-Larsen, Hanne C.; Colquhoun, Duncan John; Sørum, Henning. 2014. Host specificity and clade dependent distribution of putative virulence genes in Moritella viscosa. Microbial Pathogenesis. 77: 53-65. doi: 10.1016/j.micpath.2014.09.014
  • Nilsen, Hanne Katrine; Sundell, Krister; Duchaud, Eric; Nicolas, Pierre; Dalsgaard, Inger; Madsen, Lone; Aspán, Anna; Jansson, Eva; Colquhoun, Duncan John; Wiklund, Tom. 2014. Multilocus sequence typing identifies epidemic clones of Flavobacterium psychrophilum in nordic countries. Applied and Environmental Microbiology. 80: 2728-2736. doi: 10.1128/AEM.04233-13
  • Abayneh Tefera, Takele; Colquhoun, Duncan John; Sørum, Henning. 2013. Edwardsiella piscicida sp. nov., a novel species pathogenic to fish. Journal of Applied Microbiology. 114: 644-654. doi: 10.1111/jam.12080
  • Brudal, Espen; Winther-Larsen, Hanne Cecilie; Colquhoun, Duncan John; Duodu, Samuel. 2013. Evaluation of reference genes for reverse transcription quantitative PCR analyses of fish-pathogenic Francisella strains exposed to different growth conditions. BMC Research Notes. 6. doi: 10.1186/1756-0500-6-76
  • Duodu, Samuel; Madslien, Knut; Hjelm, Eva; Molin, Ylva; Paziewska-Harris, Anna; Harris, Philip David; Colquhoun, Duncan John; Ytrehus, Bjørnar. 2013. Bartonella Infections in Deer Keds (Lipoptena cervi) and Moose (Alces alces) in Norway. Applied and Environmental Microbiology. 79: 322-327. doi: 10.1128/AEM.02632-12
  • Duodu, Samuel; xihe, wan; Tandstad, Nora Martinussen; larsson, Pär; myrtennäs, Kerstin; Sjödin, Andreas; forsmann, Mats; Colquhoun, Duncan John. 2013. An improved multiple-locus variable-number of tandem repeat analysis (MLVA) for the fish pathogen Francisella noatunensis using capillary electrophoresis. BMC Veterinary Research. 9. doi: 10.1186/1746-6148-9-252
  • Lillehaug, Atle; Colquhoun, Duncan John; Alarcon, Marta; Skjelstad, Hanne Ringkjøb; Fyrand, Kjetil; Hovland, Tore; Vollstad, Dag. 2013. Kaldtvannsvibriose – et gammelt problem kommer tilbake? Norsk Fiskeoppdrett. 38: 60-63.
  • Matejusova, Iveta; Bain, Nicola; Colquhoun, Duncan John; Feil, Edward J.; McCarthy, Una; McLennan, Darryl; Snow, Michael; Verner-Jeffreys, David W.; Wallace, I. Stuart; Weir, Sarah J.; Hall, Malcolm. 2013. Multilocus variable-number tandem-repeat genotyping of Renibacterium salmoninarum, a bacterium causing bacterial kidney disease in salmonid fish. BMC Microbiology. 13:285. doi: 10.1186/1471-2180-13-285
  • Mitchell, Susan O; Steinum, Terje; Toenshoff, Elena R.; Kvellestad, Agnar; Falk, Knut; Horn, Matthias; Colquhoun, Duncan John. 2013. Candidatus Branchiomonas cysticola is a common agent of epitheliocysts in seawater-farmed Atlantic salmon Salmo salar in Norway and Ireland. Diseases of Aquatic Organisms. 103: 35-43. doi: 10.3354/dao02563
  • Poppe, Trygve; Colquhoun, Duncan John; Taksdal, Torunn; Nilsen, Hanne Katrine; Alarcon, Marta. 2013. Rognkjeks i oppdrett – diagnostiske og dyrevelferdsmessige utfordringer - Fagaktuelt. Norsk Veterinærtidsskrift. 09. 556-558.
  • Abayneh Tefera, Takele; Colquhoun, Duncan John; Sørum, Henning. 2012. Multi-locus Sequence Analysis (MLSA) of Edwardsiella tarda isolates from fish. Veterinary Microbiology. 158: 367-375. doi: 10.1016/j.vetmic.2012.03.006
  • Duodu, Samuel; Larsson, Pär; Sjödin, Andreas; Forsman, Mats; Colquhoun, Duncan John. 2012. The Distribution of Francisella-like Bacteria Associated with Coastal Waters in Norway. Microbial Ecology. 64: 370-377. doi: 10.1007/s00248-012-0023-0
  • Duodu, Samuel; Larsson, Pär; Sjödin, Andreas; Soto, Esteban; Forsman, Mats; Colquhoun, Duncan John. 2012. Real-time PCR assays targeting unique DNA sequences of fish-pathogenic Francisella noatunensis subspecies noatunensis and orientalis. Diseases of Aquatic Organisms. 101: 225-234. doi: 10.3354/dao02514
  • Poppe, Trygve; Taksdal, Torunn; Skjelstad, Hanne Ringkjøb; Sviland, Cecilie; Vågnes, Øivind; Colquhoun, Duncan John. 2012. Nye arter - nye diagnostiske utfordringer. Norsk Veterinærtidsskrift. 124: 19-21.
  • Shah, Syed Qaswar Ali; Colquhoun, Duncan John; Nikuli, Hamisi L.; Sørum, Henning. 2012. Prevalence of Antibiotic Resistance Genes in the Bacterial Flora of Integrated Fish Farming Environments of Pakistan and Tanzania. Environmental Science and Technology. 46: 8672-8679. doi: 10.1021/es3018607
  • Shah, Syed Qaswar Ali; Karatas, Süheila; Nilsen, Hanne; Steinum, Terje; Colquhoun, Duncan John; Sørum, Henning. 2012. Characterization and expression of the gyrA gene from quinolone resistant Yersinia ruckeri strains isolated from Atlantic salmon (Salmo salar L.) in Norway. Aquaculture. 350-353|: 37-41. doi: 10.1016/j.aquaculture.2012.04.022
  • Shah, Syed Qaswar Ali; Nilsen, Hanne; Bottolfsen, Kirsten; Colquhoun, Duncan John; Sørum, Henning. 2012. DNA Gyrase and Topoisomerase IV Mutations in Quinolone-Resistant Flavobacterium psychrophilum Isolated from Diseased Salmonids in Norway. Microbial Drug Resistance. 18: 207-214. doi: 10.1089/mdr.2011.0142
  • Sjödin, Andreas; Svensson, Kerstin; Öhrman, Caroline; Ahlinder, Jon; Lindgren, Petter; Duodu, Samuel; Johansson, Anders; Colquhoun, Duncan John; Larsson, Pär; Forsman, Mats. 2012. Genome characterisation of the genus Francisella reveals insight into similar evolutionary paths in pathogens of mammals and fish. BMC Genomics. 13. 13 pages. doi: 10.1186/1471-2164-13-268
  • Toenshoff, Elena R.; Kvellestad, Agnar; Mitchell, Susan O; Steinum, Terje; Falk, Knut; Colquhoun, Duncan John; Horn, Matthias. 2012. A Novel Betaproteobacterial Agent of Gill Epitheliocystis in Seawater Farmed Atlantic Salmon (Salmo salar). PLOS ONE. 7. doi: 10.1371/journal.pone.0032696
  • Zerihun, Adam Mulualem; Colquhoun, Duncan John; Poppe, Trygve. 2012. Experimental mycobacteriosis in Atlantic cod, Gadus morhua L. Journal of Fish Diseases. 35: 365-377. doi: 10.1111/j.1365-2761.2012.01349.x
  • Colquhoun, Duncan John. 2011. Bakteriejakt langs norskekysten. Argus : sunne dyr, frisk fisk, trygg mat : aktuelt fra Veterinærinstituttet. 02. 24-24.
  • Colquhoun, Duncan John; Duodu, Samuel. 2011. Francisella infections in farmed and wild aquatic organisms. Veterinary research (VR). 42. 15 pages. doi: 10.1186/1297-9716-42-47
  • Furevik, Anette; Pettersen, Eirin Fausa; Colquhoun, Duncan John; Wergeland, Heidrun Inger. 2011. The intracellular lifestyle of Francisella noatunensis in Atlantic cod (Gadus morhua L.) leucocytes. Fish and Shellfish Immunology. 30: 488-494. doi: 10.1016/j.fsi.2010.11.019
  • Nilsen, Hanne; Colquhoun, Duncan John. 2011. Bakterie- og virussykdommer hos leppefisk. Norsk Fiskeoppdrett. 36: 52-55.
  • Nilsen, Hanne; Johansen, Renate; Colquhoun, Duncan John; Kaada, Inge; Bottolfsen, Kirsten; Vågnes, Øyvind; Olsen, Anne Berit. 2011. Flavobacterium psychrophilum associated with septicaemia and necrotic myositis in Atlantic salmon Salmo salar: a case report. Diseases of Aquatic Organisms. 97: 37-46. doi: 10.3354/dao02390
  • Nilsen, Hanne; Olsen, Anne Berit; Vågnes, Øyvind Brune; Hellberg, Hege; Bottolfsen, Kirsten; Skjelstad, Hanne Ringkjøb; Colquhoun, Duncan John. 2011. Systemic Flavobacterium psychrophilum infection in rainbow trout, Oncorhynchus mykiss (Walbaum), farmed in fresh and brackish water in Norway. Journal of Fish Diseases. 34: 403-408. doi: 10.1111/j.1365-2761.2011.01249.x
  • Olsen, Anne Berit; Nilsen, Hanne; Sandlund, N; Mikkelsen, Helene; Sørum, Henning; Colquhoun, Duncan John. 2011. Tenacibaculum sp. associated with winter ulcers in sea-reared Atlantic salmon Salmo salar. Diseases of Aquatic Organisms. 94: 189-199. doi: 10.3354/dao02324
  • Steinum, Terje; Heum, Marianne; Colquhoun, Duncan John; Falk, Knut; Kvellestad, Agnar. 2011. Fisk: Ny bakterie påvist som årsak til gjellesykdom hos oppdrettslaks i sjøvann. Norsk Veterinærtidsskrift. 123: 568.
  • Zerihun, Adam Mulualem; Berg, Vidar; Lyche, Jan Ludvig; Colquhoun, Duncan John; Poppe, Trygve. 2011. Mycobacterium salmoniphilum infection in burbot Lota lota. Diseases of Aquatic Organisms. 95: 57-64. doi: 10.3354/dao02347
  • Zerihun, Adam Mulualem; Feist, Stephen W.; Bucke, David; Olsen, Anne Berit; Tandstad, Nora Martinussen; Colquhoun, Duncan John. 2011. Francisella noatunensis subsp noatunensis is the aetiological agent of visceral granulomatosis in wild Atlantic cod Gadus morhua. Diseases of Aquatic Organisms. 95: 65-71. doi: 10.3354/dao02341
  • Zerihun, Adam Mulualem; Hjortaas, Monica Jankowska; Falk, Knut; Colquhoun, Duncan John. 2011. Immunohistochemical and Taqman real-time PCR detection of mycobacterial infections in fish. Journal of Fish Diseases. 34: 235-246. doi: 10.1111/j.1365-2761.2010.01231.x
  • Zerihun, Adam Mulualem; Nilsen, Hanne; Hodneland, S.; Colquhoun, Duncan John. 2011. Mycobacterium salmoniphilum infection in farmed Atlantic salmon, Salmo salar L. Journal of Fish Diseases. 34: 769-781. doi: 10.1111/j.1365-2761.2011.01293.x
  • Bornø, Geir; Sviland, Cecilie; Colquhoun, Duncan John. 2010. Dødelighet hos leppefisk. Norsk Veterinærtidsskrift. 9.
  • Duodu, Samuel; Colquhoun, Duncan John. 2010. Monitoring the survival of fish-pathogenic Francisella in water microcosms. FEMS Microbiology Ecology. 74: 534-541. doi: 10.1111/j.1574-6941.2010.00973.x
  • Grove, Søren; Nielsen, Christer; Lunder, T.; Tunsjø, Hege Smith; Tandstad, Nora Martinussen; Reitan, Liv Jorun; Sørgård, Morten; Marthinussen, A; Olsen, Anne Berit; Colquhoun, Duncan John. 2010. Previously unrecognised division within Moritella viscosa isolated from fish farmed in the North Atlantic. Diseases of Aquatic Organisms. 93: 51-61. doi: 10.3354/dao02271
  • Mitchell, Susie O.; Steinum, Terje; Rodger, Hamish; Holland, Charles; Falk, Knut; Colquhoun, Duncan John. 2010. Epitheliocystis in Atlantic salmon, Salmo salar L., farmed in fresh water in Ireland is associated with 'Candidatus Clavochlamydia salmonicola' infection. Journal of Fish Diseases. 33: 665-673. doi: 10.1111/j.1365-2761.2010.01171.x
  • Steinum, Terje; Kvellestad, Agnar; Colquhoun, Duncan John; Heum, Marianne; Mohammad, Saima; Grøntvedt, Randi; Falk, Knut. 2010. Microbial and pathological findings in farmed Atlantic salmon Salmo salar with proliferative gill inflammation. Diseases of Aquatic Organisms. 91: 201-211. doi: 10.3354/dao02266
  • Løvoll, Marie Therese; Wiik-Nielsen, Christer R.; Tunsjø, Hege Smith; Colquhoun, Duncan John; Lunder, Tor; Sørum, Henning; Grove, Søren. 2009. Atlantic salmon bath challenged with Moritella viscosa - Pathogen invasion and host response. Fish and Shellfish Immunology. 26: 877-884. doi: 10.1016/j.fsi.2009.03.019
  • Mikalsen, Jarle; Olsen, Anne Berit; Rudra, Hari; Moldal, Torfinn; Lund, H.; Djønne, Berit K; Bergh, Øivind; Colquhoun, Duncan John. 2009. Virulence and pathogenicity of Francisella philomiragia subsp noatunensis for Atlantic cod, Gadus morhua L., and laboratory mice. Journal of Fish Diseases. 32: 377-381. doi: 10.1111/j.1365-2761.2008.00987.x
  • Steinum, Terje; Sjåstad, Knut; Falk, Knut; Kvellestad, Agnar; Colquhoun, Duncan John. 2009. An RT PCR-DGGE survey of gill-associated bacteria in Norwegian seawater-reared Atlantic salmon suffering proliferative gill inflammation. Aquaculture. 293: 172-179.
  • Mikalsen, Jarle; Olsen, Anne Berit; Tengs, Torstein; Colquhoun, Duncan John. 2007. Francisella philomiragia subsp. noatunensis subsp. nov., isolated from farmed Atlantic cod (Gadus morhua L.). International Journal of Systematic and Evolutionary Microbiology. 57: 1960-1965.
  • Mikalsen, Jarle; Skjærvik, Olaf; Wiik-Nielsen, Jannicke; Wasmuth, Marit; Colquhoun, Duncan John. 2007. Agar culture of Piscirickettsia salmonis, a serious pathogen of farmed salmonid and marine fish. FEMS Microbiology Letters. 1-5. doi: 10.1111/j.1574-6968.2007.00977.x
  • Wang, Zhan; Liu, Xin; Dacanay, Andrew; Harrison, Blair A.; Fast, Mark; Colquhoun, Duncan John; Lund, Vera; Brown, Laura L.; Li, Jianjun; Altman, Eleonora. 2007. Carbohydrate analysis and serological classification of typical and atypical isolates of Aeromonas salmonicida: A rationale for the lipopolysaccharide-based classification of A. salmonicida. Fish and Shellfish Immunology. 23: 1095-1106. doi: 10.1016/j.fsi.2007.05.004
  • Olsen, Anne Berit; Birkbeck, Harry T; Nilsen, Hanne; MacPherson, H L; Wangel, Carl; Myklebust, Cecilie; Laidler, L A; Aarflot, Leiv; Thoen, Even; Nygård, Solveig; Thayumanavan, T; Colquhoun, Duncan John. 2006. Vaccine-associated systemic Rhodococcus erythropolis infection in farmed Atlantic salmon Salmo salar. Diseases of Aquatic Organisms. 72: 9-17.
  • Olsen, Anne Berit; Mikalsen, Jarle; Rode, Marit; Alfjorden, Anders; Hoel, Erik; Straume-Lie, Kristian; Haldorsen, Randi; Colquhoun, Duncan John. 2006. A novel systemic granulomatous inflammatory disease in farmed Atlantic cod, Gadus morhua L, associated with a bacterium belonging to the genus Francisella. Journal of Fish Diseases. 29: 307-311.
Reports and theses
  • Haugland, Gyri Teien; Hannisdal, Rita; Kverme, Karen obrestad; Kallekleiv, Marielle; Larsen, Kristina; Rønneseth, Anita; Colquhoun, Duncan John; Lunestad, Bjørn Tore; Samuelsen, Ole Bent; Wergeland, Heidrun Inger. 2019. Opptak og utskillelse av antibakterielle midler fra plasma og vev i rognkjeks. Universitetet i Bergen, Bergen. 29 pages.
  • Rimstad, Espen; Basic, Dean; Brun, Edgar; Colquhoun, Duncan John; Olesen, Niels Jørgen; Bøe, Knut Egil; Gjøen, Tor; Godfroid, Jacques; Janczak, Andrew M.; Madslien, Knut; Olsen, Rolf Erik; Øverli, Øyvind; Agdestein, Angelika. 2019. The risk of transmission of infectious disease through trade of cryopreserved milt. Scientific Opinion of the Panel on Animal Health and Welfare of the Norwegian Scientific Committee for Food Safety. VKM Report. 2019:02. Norwegian Scientific Committee for Food and Environment (VKM), Oslo, Norway. 66 pages.
  • Bornø, Geir; Linaker, Maria Lie; Hansen, Haakon; Jensen, Britt Bang; Alarcon, Marta; Colquhoun, Duncan John; Thoen, Even; Gulla, Snorre; Nilsen, Hanne Katrine; Gu, Jinni; Gjerset, Britt. 2016. Akutt dødelighet hos rognkjeks (Cyclopterus lumpus) i 2015. Norwegian Veterinary Institute, Norway. 45 pages.
  • Johansen, Lill-Heidi; Colquhoun, Duncan John; Hansen, Haakon; Hildre, Sindre; Wergeland, Heidrun Inger; Mikalsen, Heidi Eileen. 2016. Analyse av sykdomsrelatert risiko forbundet med bruk av villfanget og oppdrettet rensefisk for kontroll av lakselus. Nofima rapportserie. 9/2016. Nofima AS, Tromsø. 51 pages.
  • Brun, Edgar; Steinum, Terje; Colquhoun, Duncan John; Gjessing, Mona Cecilie; Olsen, Anne Berit; Tavorpanish, Saraya; Gjevre, Anne Gerd. 2015. Proliferativ gjellebetennelse hos oppdrettslaks i sjøvann - patologi, utvalgte agens og risikofaktorer. Veterinærinstituttets rapportserie. 8. Veterinærinstituttet, Oslo. 24 pages.
  • Takle, Harald Rune; Ytteborg, Elisabeth; Nielsen, Kristoffer Vale; Karlsen, Christian Renè; Nilsen, Hanne Katrine; Sveen, Lene; Colquhoun, Duncan John; Olsen, Anne Berit; Sørum, Henning; Nilsen, Arve. 2015. Sårproblematikk og hudhelse i laks- og regnbueørrettoppdrett. Nofima rapportserie. 5/2015. Nofima AS, Tromsø. 108 pages.
  • Hjeltnes, Brit; Kristoffersen, Anja Bråthen; Olsen, Anne Berit; Nilsen, Arve; Moen, Asle; Lillehaug, Atle; Fritsvold, Camilla; Mejdell, Cecilie Marie; Jimenez, Daniel Delgado; Colquhoun, Duncan John; Brun, Edgar; Biering, Eirik; Bornø, Geir; Hansen, Haakon; Nilsen, Hanne Katrine; Skjelstad, Hanne Ringkjøb; Hellberg, Hege; Høgåsen, Helga Rachel; Sindre, Hilde; Ørpetveit, Irene; Gu, Jinni; Stensli, John Haakon; Falk, Knut; vale nielsen, Kristoffer; vikan røsæg, Magnus; Linaker, Maria Lie; Alarcon, Marta; Gjessing, Mona Cecilie; Yousaf, Muhammad; Dale, Ole Bendik; Jansen, Peder A; Grøntvedt, Randi; Johansen, Renate; Hytterød, Sigurd; Steinum, Terje; Mo, Tor Atle; Tengs, Torstein; Taksdal, Torunn; Poppe, Trygve; Vrålstad, Trude. 2014. Helsesituasjonen i laksefisk 2013 Fiskehelserapporten 2013. Fiskehelserapporten. 2013. Veterinærinstituttet, Oslo.
  • Rønneseth, Anita; Haugland, Gyri Teien; Colquhoun, Duncan John; Wergeland, Heidrun Inger. 2014. Utvikling av smittemodeller på oppdrettet rognkjeks. Report to FHF from the project «Rensefiskhelse, tapsårsaker og smittemodeller». FIskeri - og havbruksnæringens forskningsfond. 16 pages.
  • Vågnes, Øyvind Brune; Gulla, Snorre; Colquhoun, Duncan John; Biering, Eirik. 2014. Development of injection and cohabitation challenge models for Vibrio anguilarum serotype O1 in farmed ballan wrasse (Labrus bergylta). Veterinærinstituttets rapportserie. 10. Norwegian Veterinary Institute. 11 pages.
  • Gjevre, Anne Gerd; Olsen, Anne Berit; Hellberg, Hege; Nilsen, Hanne Katrine; Skjelstad, Hanne Ringkjøb; Alarcon, Marta; Vågnes, Øyvind Brune; Colquhoun, Duncan John; Thoen, Even; Åtland, Åse; Skryseth, Linda Marie; Lillehaug, Atle. 2013. Oppklaring av yngeldødelighet. Veterinærinstituttets rapportserie. 2013: 3. Veterinærinstituttet. 19 pages.
  • Olsen, Anne Berit; Alarcon, Marta; Biering, Eirik; Colquhoun, Duncan John; Dale, Ole Bendik; Falk, Knut; Fritsvold, Camilla; Grøntvedt, Randi; Hansen, Haakon; Heuch, Peter Andreas; Hjeltnes, Brit; Jensen, Britt Bang; Johansen, Renate; Lie, Kai-Inge; Mejdell, Cecilie Marie; Nilsen, Hanne Katrine; Poppe, Trygve; Skjelstad, Hanne Ringkjøb; Sviland, Cecilie; Taksdal, Torunn; Thoen, Even; Vågnes, Øyvind Brune; Ørpetveit, Irene. 2011. Helsesituasjonen hos laksefisk 2011 Fiskehelserapporten 2011. Veterinærinstituttet, Oslo. 40 pages.
Book sections
  • Alarcon, Marta; Biering, Eirik; Colquhoun, Duncan John; Dale, Ole Bendik; Falk, Knut; Fritsvold, Camilla; Grøntvedt, Randi; Hansen, Haakon; Hellberg, Hege; Heuch, Peter Andreas; Hjeltnes, Brit; Jensen, Britt Bang; Johansen, Renate; Lie, Kai-Inge; Mejdell, Cecilie Marie; Skjelstad, Hanne R.; Sviland, Cecilie; Taksdal, Torunn; Thoen, Even; Vågnes, Øyvind; Ørpetveit, Irene. 2012. Helsesituasjonen hos laksefisk 2011. I, pages 5-31. In:
    • Olsen, Anne Berit; Hellberg, Hege. 2012. Fiskehelserapporten 2011. Fiskehelserapporten. 2011. Veterinærinstituttet. 40 pages.
  • Colquhoun, Duncan John; Duodu, Samuel; Nilsen, Hanne; Sviland, Cecilie; Vågnes, Øyvind. 2012. Helsesituasjonen hos marin fisk 2011. II, pages 33-39. In:
    • Olsen, Anne Berit; Hellberg, Hege. 2012. Fiskehelserapporten 2011. Fiskehelserapporten. 2011. Veterinærinstituttet. 40 pages.

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