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Very virulent infectious bursal disease virus isolated from wild birds in Korea: Epidemiological implications

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dc.contributor.authorJeon, Woo-Jin-
dc.contributor.authorLee, Eun-Kyoung-
dc.contributor.authorJoh, Seong-Joon-
dc.contributor.authorKwon, Jun-hun-
dc.contributor.authorYang, Chang-Bum-
dc.contributor.authorYoon, Yeo Sung-
dc.contributor.authorChoi, Kang-Seuk-
dc.date.accessioned2009-09-01-
dc.date.available2009-09-01-
dc.date.issued2008-08-08-
dc.identifier.citationVirus Research 137, 153-156en
dc.identifier.issn0168-1702-
dc.identifier.urihttp://hdl.handle.net/10371/8321-
dc.description.abstractTo explore the epidemiological link between infectious bursal disease virus (IBDV) in wild birds and domestic chickens in Korea, we examined 107 free-living wild birds, representing 7 species, that were found dead of apparent natural causes in Korea over the past two years for the presence of IBDV. Five birds were tested positive for IBDV by RT-PCR assay: black-billed magpie (n = 1), mallard duck (n = 2), bean goose (n = 1) and white-fronted goose (n = 1). IBDV was isolated from RT-PCR-positive tissues following chicken embryo inoculation. Sequence analysis of the VP2 gene indicated that all of the isolates from the wild birds encode amino acids A222, I242, I256, I294 and S299 of VP2, which are conserved among strains of very virulent IBDV (vvIBDV). Phylogenetic analysis revealed that the wild bird IBDV isolates are closely related to strains of vvIBDV. An IBDV isolate from a magpie showed 60% mortality in SPF chickens and severe bursal atrophy. The epidemiological implications of IBDV in free-living wild birds are discussed. To our knowledge, this is the first report of vvIBDV in free-living wild birds.en
dc.description.sponsorshipThis study was supported by the National Veterinary Research and Quarantine Service of the Ministry of Agriculture and Fishery, Korea.en
dc.language.isoenen
dc.publisherElsevieren
dc.subjectInfectious bursal diseaseen
dc.subjectVP2en
dc.subjectWild birdsen
dc.subjectVery virulent IBDVen
dc.titleVery virulent infectious bursal disease virus isolated from wild birds in Korea: Epidemiological implicationsen
dc.typeArticleen
dc.contributor.AlternativeAuthor전우진-
dc.contributor.AlternativeAuthor이은경-
dc.contributor.AlternativeAuthor조성준-
dc.contributor.AlternativeAuthor권준헌-
dc.contributor.AlternativeAuthor양창범-
dc.contributor.AlternativeAuthor윤여성-
dc.contributor.AlternativeAuthor최강석-
dc.identifier.doi10.1016/j.virusres.2008.06.013-
Appears in Collections:
College of Veterinary Medicine (수의과대학)Dept. of Veterinary Medicine (수의학과)Journal Papers (저널논문_수의학과)
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