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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2011-4-29
pubmed:abstractText
During July to November in 2007, several outbreaks of Hemangiomas in Hy-line Brown laying hens were observed in China. The virus that infected these flocks was identified in cultured DF-1 cells by PCR and indirect fluorescent assay (IFA) with ALV-J specific monoclonal antibody JE-9. The gp85 gene of one strain named WS0705 of ALV-J was cloned and expressed. Phylogenetic analysis showed that gp85 amino sequences of WS0705 strain had the highest homology with that of the prototype HPRS-103. The gp85 gene from a constructed plasmid pMD18-T-WS0705gp85 was cloned into baculovirus transfer vector. rBac-WS0705gp85 was obtained by the Bac-to-Bac baculovirus expression system. The rBac-WS0705gp85 protein was analyzed by indirect immunofluor escence assay and Western blot. The results showed that positive green fluorescent was present in Sf9 cells infected with the recombinant virus and a 35 kD band was present in western blot. It is concluded that WS0705 gp85 gene was expressed in Sf9 cells infected with the recombinant virus and the SU protein of WS0705 can bind specifically to JE9 MAb of ALV-J. The expressed protein can be used to detect hemangiomas induced by ALV-J.
pubmed:language
chi
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
1000-8721
pubmed:author
pubmed:issnType
Print
pubmed:volume
27
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
151-7
pubmed:meshHeading
pubmed:year
2011
pubmed:articleTitle
[Cloning and expression of gp85 gene of subgroup J avian leukosis virus isolated from hemangiomas].
pubmed:affiliation
Shandong Provintial Key Laboratory Amimal Biotechnology and Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an 271018, China. qiubo.1983@163.com
pubmed:publicationType
Journal Article, English Abstract