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Detection of Red Sea Bream Iridovirus (RSIV) from marine fish in the Southern Coastal Area and East China Sea  

Lee, Wol-La (Division of Food Science and Aqualife Medicine, Chonnam National University)
Kim, Seok-Ryel (Division of Food Science and Aqualife Medicine, Chonnam National University)
Yun, Hyun-Mi (Division of Food Science and Aqualife Medicine, Chonnam National University)
Kitamura, Shin Ichi (Center for Marine Environment Studies (CMES), Ehine University)
Jung, Sung-Ju (Division of Food Science and Aqualife Medicine, Chonnam National University)
Oh, Myung-Joo (Division of Food Science and Aqualife Medicine, Chonnam National University)
Publication Information
Journal of fish pathology / v.20, no.3, 2007 , pp. 211-220 More about this Journal
Abstract
Red sea bream iridovirus disease (RSIVD) cause massive economic losses in marine aquaculture industry in Korea. The causative agent of this disease (RSIV) infects a wide range of fish species. The aims of this study were to monitor RSIV in wild marine fishes and to give critical information for controling the disease through prophylactic methods. Prevalence of the viral disease, geological distribution and reservoir of the virus were investigated using wild marine fishes captured in southern coast and east china sea for two years. (Polymerase Chain Reaction) PCR results showed that RSIV were detected in 39 (24.3%) out of 160 fish. MCP gene sequences of viral strains isolated in this study were closely related to that of a reference strain, red seabream-K, belonging to Megalocytivirus subgroup Ⅲ. The results suggest that some of wild marine fishes are RSIV carriers and may spread the pathogen directly to fish farmed in coastal area.
Keywords
Megalocytivirus; RSIV; Distribution; PCR;
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