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Duncan John Colquhoun

Professor
Academic article
  • Show author(s) 2021. The Use of Extracellular Membrane Vesicles for Immunization against Francisellosis in Nile Tilapia (Oreochromis niloticus) and Atlantic cod (Gadus morhua L.). Vaccines. 19 pages.
  • Show author(s) 2020. Tenacibaculum piscium sp. nov., isolated from skin ulcers of sea-farmed fish, and description of Tenacibaculum finnmarkense sp. nov. with subdivision into genomovars finnmarkense and ulcerans. International Journal of Systematic and Evolutionary Microbiology.
  • Show author(s) 2020. Reclassification of Francisella noatunensis subsp. orientalis Ottem et al. 2009 as Francisella orientalis sp. nov., Francisella noatunensis subsp. chilensis subsp. nov. and emended description of Francisella noatunensis. International Journal of Systematic and Evolutionary Microbiology.
  • Show author(s) 2020. MALDI-TOF MS: a diagnostic tool for identification of bacterial fish pathogens. Bulletin of The European Association of Fish Pathologists. 240-248.
  • Show author(s) 2020. Antimicrobial Susceptibility of Flavobacteriaceae Isolates from Nile Tilapia (Oreochromis niloticus) in Tanzania. African Journal of Microbiology Research. 42-50.
  • Show author(s) 2019. Protection and antibody reactivity in lumpsucker (Cyclopterus lumpus L.) following vaccination against Pasteurella sp. . Fish and Shellfish Immunology. 650-658.
  • Show author(s) 2019. Pharmacokinetics of florfenicol in lumpfish (Cyclopterus lumpus L.) after a single oral administration. Aquaculture. 1-7.
  • Show author(s) 2019. Pharmacokinetic Data Show That Oxolinic Acid and Flumequine Are Absorbed and Excreted Rapidly From Plasma and Tissues of Lumpfish. Frontiers in Veterinary Science.
  • Show author(s) 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. 1-6.
  • Show author(s) 2019. Isolation and Characterization of Flavobacteriaceae from Farmed and Wild Nile Tilapia in Tanzania. Journal of Aquatic Animal Health.
  • Show author(s) 2019. Histopathological investigation of complex gill disease in sea farmed Atlantic salmon. PLOS ONE.
  • Show author(s) 2019. Environmental biofilm communities associated with early-stage common dentex (Dentex dentex) culture. Journal of Applied Microbiology. 1032-1043.
  • Show author(s) 2019. Biogeography of the fish pathogen Aeromonas salmonicida inferred by vapA genotyping. FEMS Microbiology Letters.
  • Show author(s) 2018. Transcriptome-wide mapping of signaling pathways and early immune responses in lumpfish leukocytes upon in vitro bacterial exposure. Scientific Reports. 1-14.
  • Show author(s) 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. 1-13.
  • Show author(s) 2017. Vibrio tapetis from wrasse used for ectoparasite bio-control in salmon farming: Phylogenetic analysis and serotyping. Diseases of Aquatic Organisms. 189-197.
  • Show author(s) 2017. Protection and antibody reactivity following vaccination of lumpfish (Cyclopterus lumpus L.) against atypical Aeromonas salmonicida. Fish and Shellfish Immunology. 383-391.
  • Show author(s) 2017. Multilocus sequence analysis reveals extensive genetic variety within Tenacibaculum spp. associated with ulcers in sea-farmed fish in Norway. Veterinary Microbiology. 39-45.
  • Show author(s) 2017. Isolation and Characterization of Serum Extracellular Vesicles (EVs) from Atlantic Salmon Infected with Piscirickettsia Salmonis. Proteomes. 13 pages.
  • Show author(s) 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. 1387-1394.
  • Show author(s) 2017. A polyphasic approach for phenotypic and genetic characterisation of the fastidious aquatic pathogen Francisella noatunensis subsp. orientalis. Frontiers in Microbiology. 5 pages.
  • Show author(s) 2016. vapA (A-layer) typing differentiates Aeromonas salmonicida subspecies and identifies a number of previously undescribed subtypes. Journal of Fish Diseases. 329-342.
  • Show author(s) 2016. Multilocus sequence analysis of close relatives Vibrio anguillarum and Vibrio ordalii. Applied and Environmental Microbiology. 5496-5504.
  • Show author(s) 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. 1257-1261.
  • Show author(s) 2016. Aeromonas salmonicida infection levels in pre- and post-stocked cleaner fish assessed by culture and an amended qPCR assay. Journal of Fish Diseases. 867-877.
  • Show author(s) 2015. Phylogenetic analysis and serotyping of Vibrio splendidus-related bacteria isolated from salmon farm cleaner fish. Diseases of Aquatic Organisms. 121-131.
  • Show author(s) 2014. Multilocus variable number tandem repeat analysis of Edwardsiella piscicida isolates pathogenic to fish. Journal of Fish Diseases. 941-948.
  • Show author(s) 2014. Multilocus sequence typing identifies epidemic clones of Flavobacterium psychrophilum in nordic countries. Applied and Environmental Microbiology. 2728-2736.
  • Show author(s) 2014. Microevolution of Renibacterium salmoninarum: evidence for intercontinental dissemination associated with fish movements. The ISME Journal.
  • Show author(s) 2014. Host specificity and clade dependent distribution of putative virulence genes in Moritella viscosa. Microbial Pathogenesis. 53-65.
  • Show author(s) 2013. Multilocus variable-number tandem-repeat genotyping of Renibacterium salmoninarum, a bacterium causing bacterial kidney disease in salmonid fish. BMC Microbiology.
  • Show author(s) 2013. Evaluation of reference genes for reverse transcription quantitative PCR analyses of fish-pathogenic Francisella strains exposed to different growth conditions. BMC Research Notes.
  • Show author(s) 2013. Edwardsiella piscicida sp. nov., a novel species pathogenic to fish. Journal of Applied Microbiology. 644-654.
  • Show author(s) 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. 35-43.
  • Show author(s) 2013. Bartonella Infections in Deer Keds (Lipoptena cervi) and Moose (Alces alces) in Norway. Applied and Environmental Microbiology. 322-327.
  • Show author(s) 2013. An improved multiple-locus variable-number of tandem repeat analysis (MLVA) for the fish pathogen Francisella noatunensis using capillary electrophoresis. BMC Veterinary Research.
  • Show author(s) 2012. The Distribution of Francisella-like Bacteria Associated with Coastal Waters in Norway. Microbial Ecology. 370-377.
  • Show author(s) 2012. Real-time PCR assays targeting unique DNA sequences of fish-pathogenic Francisella noatunensis subspecies noatunensis and orientalis. Diseases of Aquatic Organisms. 225-234.
  • Show author(s) 2012. Prevalence of Antibiotic Resistance Genes in the Bacterial Flora of Integrated Fish Farming Environments of Pakistan and Tanzania. Environmental Science and Technology. 8672-8679.
  • Show author(s) 2012. Multi-locus Sequence Analysis (MLSA) of Edwardsiella tarda isolates from fish. Veterinary Microbiology. 367-375.
  • Show author(s) 2012. Genome characterisation of the genus Francisella reveals insight into similar evolutionary paths in pathogens of mammals and fish. BMC Genomics. 13 pages.
  • Show author(s) 2012. Experimental mycobacteriosis in Atlantic cod, Gadus morhua L. Journal of Fish Diseases. 365-377.
  • Show author(s) 2012. DNA Gyrase and Topoisomerase IV Mutations in Quinolone-Resistant Flavobacterium psychrophilum Isolated from Diseased Salmonids in Norway. Microbial Drug Resistance. 207-214.
  • Show author(s) 2012. Characterization and expression of the gyrA gene from quinolone resistant Yersinia ruckeri strains isolated from Atlantic salmon (Salmo salar L.) in Norway. Aquaculture. 37-41.
  • Show author(s) 2012. A Novel Betaproteobacterial Agent of Gill Epitheliocystis in Seawater Farmed Atlantic Salmon (Salmo salar). PLOS ONE.
  • Show author(s) 2011. The intracellular lifestyle of Francisella noatunensis in Atlantic cod (Gadus morhua L.) leucocytes. Fish and Shellfish Immunology. 488-494.
  • Show author(s) 2011. Tenacibaculum sp. associated with winter ulcers in sea-reared Atlantic salmon Salmo salar. Diseases of Aquatic Organisms. 189-199.
  • Show author(s) 2011. Systemic Flavobacterium psychrophilum infection in rainbow trout, Oncorhynchus mykiss (Walbaum), farmed in fresh and brackish water in Norway. Journal of Fish Diseases. 403-408.
  • Show author(s) 2011. Mycobacterium salmoniphilum infection in farmed Atlantic salmon, Salmo salar L. Journal of Fish Diseases. 769-781.
  • Show author(s) 2011. Mycobacterium salmoniphilum infection in burbot Lota lota. Diseases of Aquatic Organisms. 57-64.
  • Show author(s) 2011. Immunohistochemical and Taqman real-time PCR detection of mycobacterial infections in fish. Journal of Fish Diseases. 235-246.
  • Show author(s) 2011. Francisella noatunensis subsp noatunensis is the aetiological agent of visceral granulomatosis in wild Atlantic cod Gadus morhua. Diseases of Aquatic Organisms. 65-71.
  • Show author(s) 2011. Flavobacterium psychrophilum associated with septicaemia and necrotic myositis in Atlantic salmon Salmo salar: a case report. Diseases of Aquatic Organisms. 37-46.
  • Show author(s) 2010. Previously unrecognised division within Moritella viscosa isolated from fish farmed in the North Atlantic. Diseases of Aquatic Organisms. 51-61.
  • Show author(s) 2010. Monitoring the survival of fish-pathogenic Francisella in water microcosms. FEMS Microbiology Ecology. 534-541.
  • Show author(s) 2010. Microbial and pathological findings in farmed Atlantic salmon Salmo salar with proliferative gill inflammation. Diseases of Aquatic Organisms. 201-211.
  • Show author(s) 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. 665-673.
  • Show author(s) 2010. Dødelighet hos leppefisk. Norsk Veterinærtidsskrift.
  • Show author(s) 2009. Virulence and pathogenicity of Francisella philomiragia subsp noatunensis for Atlantic cod, Gadus morhua L., and laboratory mice. Journal of Fish Diseases. 377-381.
  • Show author(s) 2009. Atlantic salmon bath challenged with Moritella viscosa - Pathogen invasion and host response. Fish and Shellfish Immunology. 877-884.
  • Show author(s) 2009. An RT PCR-DGGE survey of gill-associated bacteria in Norwegian seawater-reared Atlantic salmon suffering proliferative gill inflammation. Aquaculture. 172-179.
  • Show author(s) 2007. Francisella philomiragia subsp. noatunensis subsp. nov., isolated from farmed Atlantic cod (Gadus morhua L.). International Journal of Systematic and Evolutionary Microbiology. 1960-1965.
  • Show author(s) 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. 1095-1106.
  • Show author(s) 2007. Agar culture of Piscirickettsia salmonis, a serious pathogen of farmed salmonid and marine fish. FEMS Microbiology Letters. 1-5.
  • Show author(s) 2006. Vaccine-associated systemic Rhodococcus erythropolis infection in farmed Atlantic salmon Salmo salar. Diseases of Aquatic Organisms. 9-17.
Report
  • Show author(s) 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. 2019:02. 2019:02. .
  • Show author(s) 2019. Opptak og utskillelse av antibakterielle midler fra plasma og vev i rognkjeks. .
  • Show author(s) 2016. Analyse av sykdomsrelatert risiko forbundet med bruk av villfanget og oppdrettet rensefisk for kontroll av lakselus. 9/2016. 9/2016. .
  • Show author(s) 2016. Akutt dødelighet hos rognkjeks (Cyclopterus lumpus) i 2015. .
  • Show author(s) 2015. Sårproblematikk og hudhelse i laks- og regnbueørrettoppdrett. 5/2015. 5/2015. .
  • Show author(s) 2015. Proliferativ gjellebetennelse hos oppdrettslaks i sjøvann - patologi, utvalgte agens og risikofaktorer. 8. 8. .
  • Show author(s) 2014. Utvikling av smittemodeller på oppdrettet rognkjeks. Report to FHF from the project «Rensefiskhelse, tapsårsaker og smittemodeller». .
  • Show author(s) 2014. Helsesituasjonen i laksefisk 2013 Fiskehelserapporten 2013. 2013. 2013. .
  • Show author(s) 2014. Development of injection and cohabitation challenge models for Vibrio anguilarum serotype O1 in farmed ballan wrasse (Labrus bergylta) . 10. 10. .
  • Show author(s) 2013. Oppklaring av yngeldødelighet. 3. 3. .
  • Show author(s) 2011. Helsesituasjonen hos laksefisk 2011 Fiskehelserapporten 2011. .
Lecture
  • Show author(s) 2020. Miljø-DNA som biosikkerhetsverktøy .
  • Show author(s) 2019. Yersiniose i norsk akvakultur.
  • Show author(s) 2018. Tenacibaculosis in farmed Atlantic salmon in Norway.
  • Show author(s) 2017. Utarbeiding av vaksineregimer og oppfølging av vaksinert rognkjeks i felt.
  • Show author(s) 2017. Serie med foredrag om fiskepatogen bakterier.
  • Show author(s) 2017. An overview of cytokines in lumpfish (Cyclopterus lumpus L.) and immune responses upon bacteria challenge.
  • Show author(s) 2015. Ny kunnskap om epitelocystis hos laks.
Popular scientific lecture
  • Show author(s) 2014. Er noen lokaliteter spesielt utsatt for gjelleproblemer?
Academic lecture
  • Show author(s) 2019. Yersinia ruckeri i norsk oppdrettsnæring.
  • Show author(s) 2019. Mulit_Locus Variable number of tandem repeat Analysis (MLVA) av Moritella viscosa isolert fra norsk oppdrettsfisk.
  • Show author(s) 2018. Triploid Atlantic salmon – susceptibility to Tenacibaculum sp.
  • Show author(s) 2018. Transkriptom analyser avdekker rognkjeksens tidlige immunresponser og gir innblikk i evolusjonshistorien.
  • Show author(s) 2018. Emergence of Yersinia ruckeri biotype 2 in Norway.
  • Show author(s) 2018. DETECTION AND EPIZOOTIOLOGY OF YERSINIA RUCKERI.
  • Show author(s) 2018. Antibiotika-resistens hos fiskepatogene bakterier, farmakokinetikk og antibakteriell behandling av rognkjeks.
  • Show author(s) 2017. Yersiniose i Norge - Spredning av en vertstilpasset virulent klone?
  • Show author(s) 2017. Tenacibaculum og vintersår: kunnskapsstatus.
  • Show author(s) 2017. Determination of antibiotic resistance among fish pathogenic bacteria, pharmacokinetics and effect of antibacterial agents on lumpfish experimentally challenged with V.anguillarum.
  • Show author(s) 2016. Pasteurella infeksjon hos rognkjeks (Cyclopterus lumpus).
  • Show author(s) 2016. Bacterial disease problems in Norwegian cleaner fish.
  • Show author(s) 2016. Analyses of disease related risk factors associated with the use of wild caught and farmed cleaner fish for the control of salmon lice.
  • Show author(s) 2015. Aeromonas salmonicida infection in Norwegian ‘cleaner fish’.
  • Show author(s) 2015. A-lagstyping av Aeromonas salmonicida viser vertsspesifisitet hos norsk rensefisk.
  • Show author(s) 2014. Kronisk gjellebetennelse hos Atlantisk laks, årsaker og sykdomsutvikling.
  • Show author(s) 2014. Gill diseases in maricultured Atlantic salmon in Norway.
  • Show author(s) 2013. Kaldtvannsvibriose (KVV): Et nytt gammelt problem?
Short communication
  • Show author(s) 2016. Pasteurellosis in lumpsucker Cyclopterus lumpus, farmed in Norway. Journal of Fish Diseases. 489-495.
  • Show author(s) 2015. An outbreak of francisellosis in wild-caught Celtic Sea Atlantic cod, Gadus morhua L., juveniles reared in captivity. Journal of Fish Diseases. 97-102.
  • Show author(s) 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. 307-311.
Masters thesis
  • Show author(s) 2018. Antimikrobiell sensitivitetstesting av (Aeromonas salmonicida) isolater og behandling av rognkjeks (Cyclopterus lumpus) etter eksperimentell smitte med atypisk (A. salmonicida).
Popular scientific article
  • Show author(s) 2020. MALDI-TOF er et effektivt redskap i diagnostisk fiskebakteriologi. Norsk Fiskeoppdrett. 38-40.
  • Show author(s) 2020. MALDI-TOF er et effektivt redskap i diagnostisk fiskebakteriologi. Norsk Veterinærtidsskrift. 474-475.
  • Show author(s) 2020. Fiskepatogene Pasteurella i Norge. Norsk Fiskeoppdrett. 46-47.
  • Show author(s) 2019. Infeksjon med Pasteurella hos laks øker. Norsk Fiskeoppdrett.
  • Show author(s) 2019. Infeksjon med Pasteurella hos laks - varianter av pasteurellabakterier gir sykdom hos rognkjeks og laks. Norsk Veterinærtidsskrift.
  • Show author(s) 2018. Yersiniose i norsk lakseoppdrett: kunnskapsstatus. Norsk Fiskeoppdrett. 48-51.
  • Show author(s) 2018. Yersiniose i norsk lakseoppdrett: Kunnskapsstatus. Norsk Veterinærtidsskrift. 236-239.
  • Show author(s) 2017. Utfordrende å vaksinere rognkjeks mot atypisk Aeromonas salmonicida. Norsk Fiskeoppdrett.
  • Show author(s) 2017. Ny kunnskap om "epiteliocystis" hos laks. Norsk Fiskeoppdrett. 50-51.
  • Show author(s) 2015. Yersiniose – et økende problem i norsk fiskeoppdrett? Norsk Fiskeoppdrett. 48-50.
  • Show author(s) 2015. Aeromonas salmonicida hos leppefisk: kartlegging av prevalens. Norsk Fiskeoppdrett. 48-49.
  • Show author(s) 2013. Kaldtvannsvibriose – et gammelt problem kommer tilbake? Norsk Fiskeoppdrett. 60-63.
  • Show author(s) 2011. Bakterie- og virussykdommer hos leppefisk. Norsk Fiskeoppdrett. 52-55.
Doctoral dissertation
  • Show author(s) 2015. Introductory studies on bacterial agents infecting cleaner fish.
  • Show author(s) 2015. Flavobacterium psychrophilum infections in Norway; case studies and phenotypical/genetic characterization of the aetiological agent.
Poster
  • Show author(s) 2019. Tenacibaculum in recently sea transferred Norwegian Atlantic salmon (Salmo salar) is primarily associated with "Tenacibaculum finnmarkense" infection.
  • Show author(s) 2019. Multilokus sekvens analyse (MLSA) av Vibrio ordalii og Vibrio anguillarum isolert fra syk rognkjeks.
  • Show author(s) 2019. Multi-Locus Sequence Analysis (MLSA) and infection challenge of Pseudomonas anguilliseptica isolated from lumpfish (Cyclopterus lumpus) in Norwegian aquaculture. .
  • Show author(s) 2019. Elucidation of the role of Tenacibaculum spp. in atypical winter-ulcer in sea-farmed Atlantic salmon in Norway.
  • Show author(s) 2019. Antimikrobiell sensitivitetstesting av Aeromonas salmonicida isolater fra rognkjeks.
  • Show author(s) 2017. SUBTYPING OF AEROMONAS SALMONICIDA USING MATRIX-ASSISTED LASER DESORPTION/IONIZATION TIME OF FLIGHT (MALDI-TOF).
  • Show author(s) 2017. SUBTYPING OF AEROMONAS SALMONICIDA USING MATRIX-ASSISTED LASER DESORPTION/IONIZATION TIME OF FLIGHT (MALDI-TOF).
  • Show author(s) 2017. Resistens og MIC bestemmelse av atypisk Aeromonas salmonicida og Vibrio anguillarum isolert fra rognkjeks.
  • Show author(s) 2017. Immune responses of lumpfish (Cyclopterus lumpus L.).
  • Show author(s) 2016. Vaccination and adaptive immune response of lumpfish (Cyclopterus lumpus L.).
  • Show author(s) 2016. The cleanerfish lumpfish (Cyclopterus lumpus L.)-Immunity, diseases and vaccination.
  • Show author(s) 2016. Ny bakterie assosiert med epiteliocystis hos oppdrettslaks.
  • Show author(s) 2016. Immune responses of lumpfish (Cyclopterus lumpus L.).
  • Show author(s) 2016. Ca. Branchiomonas cysticola overføres horisontalt hos Atlantisk laks i ferskvann.
  • Show author(s) 2015. A novel epitheliocystis Associated bacterium in Atlantic salmon.
  • Show author(s) 2014. Atypisk furunkulose hos leppefisk - utbredelse før og etter livet i merda.
  • Show author(s) 2013. Proliferativ gjellebetennelse og amøbegjellesykdom hos laks i sjø.
  • Show author(s) 2013. Confirmation of Koch’s postulates for Paramoeba perurans cultured from AGD diseased farmed Atlantic salmon, Salmo salar L., in Norway.
  • Show author(s) 2012. Type IV pili expression in Francisella noatunensis.
  • Show author(s) 2010. Ny virulent Flavobacterium psychrophilum i norsk akvakultur.
Academic literature review
  • Show author(s) 2011. Francisella infections in farmed and wild aquatic organisms. Veterinary research (VR). 15 pages.
Popular scientific chapter/article
  • Show author(s) 2012. Helsesituasjonen hos marin fisk 2011. 33-39.
  • Show author(s) 2012. Helsesituasjonen hos laksefisk 2011. 5-31.
Article in business/trade/industry journal
  • Show author(s) 2013. Rognkjeks i oppdrett – diagnostiske og dyrevelferdsmessige utfordringer - Fagaktuelt. Norsk Veterinærtidsskrift. 556-558.
  • Show author(s) 2012. Nye arter - nye diagnostiske utfordringer. Norsk Veterinærtidsskrift. 19-21.
  • Show author(s) 2011. Fisk: Ny bakterie påvist som årsak til gjellesykdom hos oppdrettslaks i sjøvann. Norsk Veterinærtidsskrift. 568.
Interview Journal
  • Show author(s) 2011. Bakteriejakt langs norskekysten. Argus : sunne dyr, frisk fisk, trygg mat : aktuelt fra Veterinærinstituttet. 24-24.

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