Phylogenetic analysis of the major capsid protein gene of iridovirus isolates from cultured flounders Paralichthys olivaceus in Korea |
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Authors: | Do Jeong Wan Cha Seung Ju Kim Jong Su An Eun Jeong Lee Nam Sil Choi Hee Jung Lee Chan Hwei Park Mi Seon Kim Jin Woo Kim Yi Cheong Park Jeong Woo |
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Institution: | Pathology Division, National Fisheries Research & Development Institute, Kijang, Busan 619-902, Korea. |
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Abstract: | In 2003, 13 isolates of iridovirus were obtained from cultured flounders Paralichthys olivaceus during epizootics in Korea. The full open reading frames (ORFs) encoding the major capsid protein (MCP) (1362 bp) from the 13 flounder iridoviruses (FLIVs) were sequenced and the deduced amino acid sequences were phylogenetically analyzed. Phylogenetic analysis of the MCP revealed that all 13 FLIVs were the same species as rock bream iridovirus (RBIV), red sea bream iridovirus (RSIV), and infectious spleen and kidney necrosis virus (ISKNV), and were grouped into an unknown genus which was different from the 2 genera known to infect fish, Ranavirus and Lymphocystivirus. This is the first report on the isolation and phylogenetic analysis of the iridovirus of unknown genus from flounders during epizootics. |
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