DAO 64:193-200 (2005) - doi:10.3354/dao064193
Phylogenetic analysis of the major capsid protein gene of iridovirus isolates from cultured flounders Paralichthys olivaceus in Korea
Jeong Wan Do1, Seung Ju Cha2, Jong Su Kim2, Eun Jeong An2, Nam Sil Lee1,Hee Jung Choi1, Chan Hwei Lee1, Mi Seon Park1, Jin Woo Kim1, Yi Cheong Kim1, Jeong Woo Park2,*
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.
KEY WORDS: Iridovirus · Flounder · Major capsid protein · MCP
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