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Simon Jones


Phone: (250) 729-8351
Fax: (250) 756-7053
Region: Pacific
Office: Pacific Biological Station

Field(s) of Research:
  • Aquaculture
  • Aquatic Animal Health
  • Biotechnology/ Genomics

Research Description:
Dr. Jones research falls into three closely related areas associated with infectious disease in fish. Structural and genomic characterization of microbial pathogens assists in identifying the pathogen, provides measures of variability among geographic isolates and allows us to predict how the organism may interact with the host. Secondly, studies are conducted to better understand the type of immune responses elicited by particular fish pathogens. These may be non-specific (e.g. macrophage activity) or specific (serologic and lymphoid-associated) and will differ according to the pathogen in question (virus, bacteria, parasite). Finally, research is directed at the development of immunisation strategies that enhance resistance within a population through the administration of vaccines or immunostimulants. Dr Jones was a senior research scientist in the aquaculture vaccine industry before coming to the Pacific Biological Station.

  • Ph.D. (1990)
Professor at:
  • University of Victoria, Department of Biology.
  • Vancouver Island University
Centre(s) of Expertise:
  1. Disease management mitigates risk of pathogen transmission from maricultured salmonids
  2. Population ecology and epidemiology of sea lice in Canadian waters
  3. Sea lice monitoring and non-chemical measures A: Biology of sea lice, Lepeophtheirus salmonis and Caligus spp. in western and eastern Canada
  4. Signatures of resistance to Lepeophtheirus salmonis include a TH2-type response at the louse-salmon interface
  5. Transcriptomic responses to emamectin benzoate in Pacific and Atlantic Canada populations of salmon lice Lepeophtheirus salmonis with differing levels of drug resistance
  6. Comparative transcriptomics of Atlantic Salmo salar, chum Oncorhynchus keta and pink salmon O. gorbuscha salmon during infections with salmon lice Lepeophtheirus salmonis
  7. Detection of a parasitic amoeba (Order Dactylopodida) in the female gonad of oysters in Brazil
  8. Supplementary description and phylogenetic placement of Gyrodactylus corti (Monogenea: Gyrodactylidae) parasitizing captive wolf-eel Anarrichthys ocellatus in British Columbia
  9. Development of the salmon louse, Lepeophtheirus salmonis and its effects on juvenile sockeye salmon Oncorhynchus nerka
  10. Effects of temperature, diet, and bivalve size on the ingestion of sea lice (Lepeophtheirus salmonis) larvae by various filter-feeding shellfish
  11. Modeling parasite dynamics on farmed salmon for precautionary conservation management of wild salmon
  12. Sea lice - impacts on wild salmonids and salmon aquaculture
  13. Sea lice infestations on juvenile chum and pink salmon in the Broughton Archipelago, Canada from 2003 to 2012
  14. Comment on "Evidence of farm-induced parasite infestations on wild juvenile salmon in multiple regions of coastal British Columbia, Canada"
  15. Comparative defence-associated responses in salmon skin elicited by the ectoparasite Lepeophtheirus salmonis
  16. Dietary nicarbazin reduces severity of Kudoa thyrsites (Myxozoa: Multivalvulida) in Atlantic salmon Salmo salar post smolts
  17. Genomic resources for sea lice: analysis of ESTs and mitochondrial genome
  18. Molecular phylogeny of Gyrodactylus (Monogenea) parasitizing fishes in freshwater, estuarine, and marine habitats throughout temperate Canada
  19. Parasites and hepatic lesions among pink salmon (Oncorhynchus gorbuscha) during early seawater residence
  20. Stock delineation of migratory and resident Pacific hake in Canadian waters
  21. The diversity of microsporidia in parasitic copepods (Caligidae: Siphonostomatoida) in the northeast Pacific Ocean
  22. Transcriptomics of coping strategies in free-swimming Lepeophtheirus salmonis (Copepoda) larvae responding to abiotic stress
  23. Differentiating size-dependent responses of juvenile pink salmon (Oncorhynchus gorbuscha) to sea lice Lepeophtheirus salmonis infections
  24. Geographic and host distribution patterns of Parvicapsula minibicornis (Myxozoa) small subunit ribosomal RNA genetic types
  25. Geographical variation in spore morphology, gene sequence and host susceptibility of Myxobolus arcticus (Myxozoa) infecting salmonid nerve tissues
  26. Mechanisms of resistance among salmon to the parasitic copepod Lepeophtheirus salmonis to
  27. Pathways of effects between wild and farmed finfish and shellfish in Canada: potential factors and interactions impacting the bi-directional transmission of pathogens
  28. Sphaerospora elwhaiensis sp. n. (Myxosporea: Sphaerosporidae) from landlocked sockeye salmon Oncorhynchus nerka (Salmoniformes: Salmonidae) in Washington State, USA
  29. The Winter Infection of Sea Lice on Salmon in Farms in a Coastal Inlet in British Columbia and Possible Causes
  30. The diversity of sea lice (Copepoda: Caligidae) parasitic on threespine stickleback, Gasterosteus aculeatus in coastal British Columbia
  31. Do salmon lice Lepeophtheirus salmonis have a role in the epidemiology of amoebic gill disease caused by Neoparamoeba perurans?
  32. First isolation of Pseudocohnilembus persalinus (Ciliophora: Scuticociliatida) from freshwater-reared rainbow trout, Oncorhynchus mykiss
  33. Predation intensifies parasite exposure in a salmonid food chain
  34. Tetracapsuloides bryosalmonae in spawning pink salmon, Oncorhynchus gorbuscha, in the Quinsam River, British Columbia, Canada
  35. A large, natural infection of sea lice on juvenile Pacific salmon in the Gulf Islands area of British Columbia, Canada
  36. Controlling salmon lice on farmed salmon and implications for wild salmon
  37. Infection threshold to estimate Lepeophtheirus salmonis associated mortality among juvenile pink salmon
  38. EST and mitochondrial DNA sequences support a distinct Pacific form of salmon louse, Lepeophtheirus salmonis
  39. Early development of resistance to the salmon louse Lepeophtheirus salmonis (Kr°yer) in juvenile pink salmon Oncorhynchus gorbuscha (Walbaum).
  40. Exposure to high temperature influences the behaviour, physiology, and survival of sockeye salmon during spawning migration
  41. Influence of reduced feed ration on Lepeophtheirus salmonis infestation and inflammatory gene expression in juvenile pink salmon
  42. Perspectives on pink salmon and sea lice: scientific evidence fails to support the extinction hypothesis
  43. A proposed life history strategy for the salmon louse, Lepeophtheirus salmonis in the subarctic Pacific Ocean
  44. Chicken-derived IgY recognizes developing and mature stages of Loma salmonae (Microsporidia) in Pacific salmon, Oncorhynchus spp
  45. Development of an RNA and DNA based quantitative PCR assay for detection and quantitation of Kudoa thyrsites in Atlantic salmon (Salmo salar L.)
  46. Differential expression of the proinflammatory cytokines IL-1β-1, TNFα-1 and IL-8 in vaccinated pink (Ocorhynchus gorbuscha) and chum (Oncorhynchus keta) salmon juveniles
  47. Differential rejection of Lepeophtheirus salmonis by pink and chum salmon: disease consequences and expression of proinflammatory genes
  48. Flesh Quality of Market-Size Farmed and Wild British Columbia Salmon
  49. The abundance and distribution of Lepeophtheirus salmonis (Copepoda: Caligidae) on pink Oncorhynchus gorbuscha and chum O. keta salmon in coastal British Columbia
  50. A new parvicapsulid (Myxosporea) species in adult pink salmon, Oncorhynchus gorbuscha from the Quinsam River, British Columbia, Canada
  51. Exceptional production of pink salmon in 2003/2004 indicates that farmed salmon and wild Pacific salmon can coexist successfully in a marine ecosystem on the Pacific coast of Canada
  52. Experimental infections with Lepeophtheirus salmonis (Kr°yer) on threespine sticklebacks, Gasterosteus aculeatus L. and juvenile Pacific salmon, Oncorhynchus spp
  53. Infestation of motile salmon lice on Pacific salmon along the west coast of North America
  54. The occurrence of Lepeophtheirus salmonis and Caligus clemensi (Copepoda: Caligidae) on threespine stickleback Gasterosteus aculeatus in coastal British Columbia
  55. Absence of polar capsule, polar filament and valve surface epitopes in early developmental stages of Kudoa thyrsites in Atlantic salmon smolts
  56. An enzyme-linked immunosorbent assay for the detection of Kudoa thyrsites in Atlantic salmon Salmo salar
  57. Epitopes associated with mature spores not recognized on Kudoa thyrsites from recently infected Atlantic salmon smolts
  58. The effects of controlled Parvicapsula minibicornis infection on metabolic rates and swimming performance of adult Fraser River sockeye salmon (Oncorhynchus nerka Walbaum)
  59. Abnormal migration timing and high enroute mortality of sockeye salmon in the Fraser River, British Columbia
  60. Development and application of a salmonid EST database and cDNA microarray: data mining and interspecific hybridization characteristics
  61. Microarray analyses identify molecular biomarkers of Atlantic salmon macrophage and hematopoietic kidney response to Piscirickettsia salmonis infection
  62. Parvicapsula minibicornis in anadromous sockeye (Oncorhynchus nerka) and coho (Oncorhynchus kisutch) salmon from tributaries of the Columbia River
  63. Pink salmon action plan: sea lice on juvenile salmon and some non-salmonid species in the Broughton Archipelago in 2003
  64. Preferential amplification of parasitic protistan small subunit rDNA from metazoan tissues.
  65. Proliferative renal myxosporidiosis in adult coho salmon (Oncorhynchus kisutch) in British Columbia and Washington
  66. The effect of IP vaccination and SW entry on immunocompetence and susceptibility to Kudoa thrysites in Atlantic salmon (Salmo salar)
  67. Duration and method of fixation affects the sensitivity of a digoxygenin-labelled DNA probe in detecting Kudoa thyrsites in Atlantic salmon skeletal muscle
  68. The distribution, prevalence and severity of Parvicapsula minibicornis infections among anadromous salmonids in the Fraser River, British Columbia, Canada
  69. Epidemiology of Parvicapsula minibicornis in Fraser River sockeye salmon
  70. Ichthyophonus hoferi in British Columbia stocks of Pacific herring (Clupea harengus pallasi) and its infectivity to chinook salmon (Oncorhynchus tshawytscha)
  71. Ribosomal DNA sequences indicate isolated populations of Ichthyophonus hoferi in geographic sympatry in the northeastern Pacific Ocean
  72. The first case of rickettsial infections in farmed Atlantic salmon in eastern North America
  73. Cohabitation transmission of infectious salmon anaemia virus among freshwater-reared Atlantic salmon (Salmo salar)
  74. Experimental vaccination against Loma salmonae using a low virulence variant of L. salmonae
  75. Ichthyophonus and chronic bacterial infections in commercially important rockfishes (Sebastes spp.) in the eastern North Pacific Ocean
  76. Identification and characterization of segments 3 and 4 of the ISAV genome
  77. Isolation of a Loma salmonae variant with preference for salmonids of the genus Salvelinus
  78. The occurrence and mechanisms of innate immunity against parasites in fish
  79. Vaccination of freshwater-reared Atlantic salmon reduces mortality associated with infectious salmon anemia virus
  80. Virulence and pathogenicity of infectious salmon anemia virus isolated from farmed salmon in Atlantic Canada
  81. Induced resistance in rainbow trout to gill disease associated with the microsporidian gill parasite Loma salmonae
  82. Virulence and antigenic characteristics of a cultured rickettsiales-like organism isolated from farmed Atlantic salmon (Salmo salar) in eastern Canada
  83. Experimental infection and horizontal transmission of Piscirickettsia salmonis in freshwater raised Atlantic salmon, Salmo salar
  84. In vitro infection of a cell line from Ictalurus nebulosus with Piscirickettsia salmonis
  85. Modulation of carp (Cyprinus carpio) cellular immune function caused by the blood parasite, Trypanoplasma borreli
  86. Morphology and infectivity of cultivated Trypanosoma ambystomae
  87. Effects of inoculum route and dose on the immune response of common carp, Cyprinus carpio to the blood parasite, Trypanoplasma borreli
  88. The biology of Trypanosoma burresoni n. sp. from the American eel (Anguilla rostrata)
  89. Antigenic characterization of cultured trypanosomes isolated from three species of fishes
  90. Vector specificity of Trypanosoma catostomi and its infectivity to freshwater fishes
  91. Culture characteristics of Trypanosoma catostomi and Trypanosoma phaleri from North American freshwater fishes
  92. Development and infectivity of Trypanosoma phaleri in leech and fish hosts
  93. Cryptobia cataractae from the blood of Semotilus atromaculatus: structure and division in the fish
  94. Redescription of the leech, Desserobdella phalera (Graf, 1899) n. comb. (Rhynchobdellida: Glossiphoniidae), with notes on its biology and occurrence on fishes
  95. The biology of Trypanosoma phaleri n. sp. from bowfin, Amia calva L. in Canada and the United States
  96. Use of kidney impressions for the detection of trypanosomes of anura
  97. The immune response of rainbow trout Salmo gairdneri Richardson to the haemoflagellate Cryptobia salmositica
  98. Trypanosoma chattoni Mathis and Leger 1911 in Rana pipiens of southern Ontario: morphometrics and a description of the division process
  99. Immunosuppression in rainbow trout Salmo gairdneri Richardson caused by the haemoflagellate, Cryptobia salmositica Katz, 1951
  100. Hexamita intestinalis Dujardin in the blood of frogs from southern and central Ontario
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