Characterization of the infectious pancreatic necrosis virus (IPNV) isolated from pan-cultured rainbow trout in Korea
1989
Park, J.W. | Lee, J.J. | Jeong, G.J. | Hah, Y.C. (Seoul National Univ., Seoul (Korea R.). Coll. of Natural Sciences)
Infectious pancreatic necrosis virus (IPNV) is one of the most important pathogens for inland fish farming and had been first reported in Korea from returning adult chum salmon (Oncorhynchus keta) at hatcheries on the east coast. During the past years, several viruses identified as IPNV were isolated not only from chum salmon, but also from gold fish (Carassius auratus), eel (Anguilla japonica), and rainbow trout (Salmo gairdneri). An isolate, coded DRT, from fingerlings of pan-cultured rainbow trout in Daechung Dam showed different serotype from three known reference serogroups of IPNV such as VR-299, Sp. and Ab. Antisera to three of these serotypes, however, partially neutralized the infectivity of this isolate. Anti-Sp type was rather effective than either anti-VR-299 or anti-Ab, implying DRT could be more closely related to Sp. DRT has been purified and its RNA genome segments were compared showing that the isolate does not belong to any of known serogroups even with some common antigenicity
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