Pathogenicity of Mycobacterium marinum to Amberjack Seriola dumerili, Red Sea Bream Pagrus major and Mouse

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  • Weerakhun Sompoth
    Laboratory of Fish Diseases, Nippon Veterinary and Life Science University
  • Wada Shinpei
    Laboratory of Fish Diseases, Nippon Veterinary and Life Science University
  • Hatai Kishio
    Laboratory of Fish Diseases, Nippon Veterinary and Life Science University
  • Sano Ayako
    Research Center for Pathogenic Fungi and Microbial Toxicoses, Chiba University
  • Nibe Harunao
    Kagoshima Prefecture Fisheries Technology and Development Center
  • Hirae Tatsumu
    Kagoshima Prefecture Fisheries Technology and Development Center

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Other Title
  • カンパチ,マダイおよびマウスに対するMycobacterium marinumの病原性

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Abstract

We conducted experimental infection tests of Mycobacterium marinum NJB 0419 isolated from yellowtail Seriola quinqueradiata to amberjack S. dumerili and red sea bream Pagrus major to determine the pathogenicity of the bacterium. As a result, NJB 0419 was pathogenic to both of them. In light of concerns about zoonoses, BALB/c mice were intravenously or subcutaneously injected with NJB 0419. The histopathological findings of examined mouse tissues were normal. Acid-fast bacteria were not found in the tissues and not re-isolated from the tissues. Our data suggest that M. marinum NJB 0419 might not be a strong pathogen of mammals, although more intensive studies are required for confirmation of the pathogenicity.

Journal

  • Fish Pathology

    Fish Pathology 45 (2), 88-91, 2010

    The Japanese Society of Fish Pathology

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