DAO 109:9-14 (2014)  -  DOI: https://doi.org/10.3354/dao02724

Genetic positioning of aquabirnavirus isolates from cultured Japanese eel Anguilla japonica in Korea

Wi-Sik Kim, Myung-Joo Oh*

Department of Aqualife Medicine, College of Fisheries and Ocean Science, Chonnam National University, Yeosu 550-749, Korea
*Corresponding author:

ABSTRACT: Aquabirnavirus is an epizootic virus in Japanese eel Anguilla japonica farms in Korea, although its origin is unclear. In the present study, nucleotide sequences of the VP2/NS junction region of 9 Korean aquabirnaviruses from cultured eel in various areas of Korea during 2000-2009 were analyzed to evaluate their genetic relatedness to worldwide isolates. The nucleotide sequences showed more than 94.2% identity among the 9 Korean eel isolates, 71.2% identity among 16 Korean isolates from freshwater and marine fish, and 71.1% identity among 25 worldwide isolates. All 9 isolates in this study were phylogenetically classified into genogroup II, including isolates from Denmark, Spain, Taiwan and Japan, and were discrete from salmonid and marine fish isolates (genogroup I and VII) in Korea. These results suggest that the Korean eel isolates have most likely been introduced from outside the country and not from coastal areas of Korea.


KEY WORDS: Aquabirnavirus · Anguilla japonica · VP2/NS junction region · Phylogeny


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Cite this article as: Kim WS, Oh MJ (2014) Genetic positioning of aquabirnavirus isolates from cultured Japanese eel Anguilla japonica in Korea. Dis Aquat Org 109:9-14. https://doi.org/10.3354/dao02724

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