Molecular Epidemiology of Koi Herpesvirus

DOI JASI Web Site 3 Citations 47 References
  • Kurita Jun
    Tamaki Station, National Research Institute of Aquaculture, Fisheries Research Agency
  • Yuasa Kei
    Nansei Station, National Research Institute of Aquaculture, Fisheries Research Agency
  • Ito Takafumi
    Tamaki Station, National Research Institute of Aquaculture, Fisheries Research Agency
  • Sano Motohiko
    Nansei Station, National Research Institute of Aquaculture, Fisheries Research Agency
  • Hedrick Ronald P.
    Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California
  • Engelsma Marc Y.
    CIDC-Lelystad, Wageningen UR, Fish and Shellfish Diseases Laboratory
  • Haenen Olga L. M.
    CIDC-Lelystad, Wageningen UR, Fish and Shellfish Diseases Laboratory
  • Sunarto Agus
    Fish Health Research Laboratory, Agency for Marine and Fisheries Research
  • Kholidin Edy Barkat
    Jambi Freshwater Aquaculture Development Center
  • Chou Hsin-Yiu
    Department of Aquaculture, National Taiwan Ocean University
  • Tung Ming-Chen
    Department of Veterinary Medicine, National Pingtung University of Science & Technology
  • Peña Leobert de la
    Fish Health Section, Southeast Asian Fisheries Development Center Aquaculture Department (SEAFDEC/AQD)
  • Lio-Po Gilda
    Fish Health Section, Southeast Asian Fisheries Development Center Aquaculture Department (SEAFDEC/AQD)
  • Tu Chien
    Fish Health Laboratory, Animal Health Research Institute
  • Way Keith
    Centre for Environment Fisheries and Aquaculture Science (Cefas)
  • Iida Takaji
    Nansei Station, National Research Institute of Aquaculture, Fisheries Research Agency

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Other Title
  • コイヘルペスウイルスの分子疫学

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Abstract

Three regions of koi herpesvirus (KHV) genomic DNA were compared for 34 samples from Japan, six from Indonesia, two from Taiwan, one from the Philippines, 13 from the Netherlands, one from the UK, one from the USA and one from Israel. The analyzed genomic regions included known PCR-detection targets (SphI-5, 9/5 and the thymidine kinase gene). The KHVs from Asian countries were very homogeneous, although two variants were noted based on a single nucleotide polymorphism. In contrast, seven variants were found in KHVs from outside of Asia, and although closely related to one another, they were clearly distinct from those from Asian. The results suggest that a clear genetic distinction exists between Asian and European (including each single isolate from the USA and Israel) types of KHV, and that unique types of KHV were independently introduced or emerged in the respective geographic locations.

Journal

  • Fish Pathology

    Fish Pathology 44 (2), 59-66, 2009

    The Japanese Society of Fish Pathology

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