PCR amplification and sequence analysis of irido‐like virus infecting fish in Korea

PCR amplification and sequence analysis of irido‐like virus infecting fish in Korea Large‐scale mortality was reported in cultured striped beakperch, Oplegnathus fasciatus Kroyer, in the southern coastal areas of the Korean peninsula during August to September 1998. The percentage of mortality was estimated to be 60% of the total fish numbers (3 million). Although similar clinical signs were noticed at the same time in red seabream, Pagrus major (Temminck & Schlegel), the observed mortality was <5%. Based on histopathological and EM studies carried out in our laboratory, it was suggested that the causative agent was red seabream iridovirus (RSIV) ( Jung & Oh 2000 ). Red seabream iridovirus belonging to the genus Ranavirus , was first isolated from cultured red seabream ( Inouye, Yamano, Maeno, Nakajima, Matsuoka, Wada & Sorimachi 1992 ). Since then, iridovirus infections have been recorded in several cultured fish from different countries ( Chua, Ng, Ng, Loo & Wee 1994 ; Danayadol, Direkbusarakom, Boonyaratpalin, Miyazaki & Miyata 1996 ; Chou, Hsu & Peng 1998 ). Biological and physico‐chemical properties of the virus have been reported ( Nakajima & Sorimachi 1994 ), however, the taxonomic position of the virus is not yet clear. Oshima, Hata, Hirasawa, Ohtaka, Hirono, Aoki & Yamashita (1998) cloned a small subunit of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Fish Diseases Wiley

PCR amplification and sequence analysis of irido‐like virus infecting fish in Korea

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Publisher
Wiley
Copyright
Copyright © 2002 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0140-7775
eISSN
1365-2761
D.O.I.
10.1046/j.1365-2761.2002.00345.x
Publisher site
See Article on Publisher Site

Abstract

Large‐scale mortality was reported in cultured striped beakperch, Oplegnathus fasciatus Kroyer, in the southern coastal areas of the Korean peninsula during August to September 1998. The percentage of mortality was estimated to be 60% of the total fish numbers (3 million). Although similar clinical signs were noticed at the same time in red seabream, Pagrus major (Temminck & Schlegel), the observed mortality was <5%. Based on histopathological and EM studies carried out in our laboratory, it was suggested that the causative agent was red seabream iridovirus (RSIV) ( Jung & Oh 2000 ). Red seabream iridovirus belonging to the genus Ranavirus , was first isolated from cultured red seabream ( Inouye, Yamano, Maeno, Nakajima, Matsuoka, Wada & Sorimachi 1992 ). Since then, iridovirus infections have been recorded in several cultured fish from different countries ( Chua, Ng, Ng, Loo & Wee 1994 ; Danayadol, Direkbusarakom, Boonyaratpalin, Miyazaki & Miyata 1996 ; Chou, Hsu & Peng 1998 ). Biological and physico‐chemical properties of the virus have been reported ( Nakajima & Sorimachi 1994 ), however, the taxonomic position of the virus is not yet clear. Oshima, Hata, Hirasawa, Ohtaka, Hirono, Aoki & Yamashita (1998) cloned a small subunit of

Journal

Journal of Fish DiseasesWiley

Published: Feb 1, 2002

References

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