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[Characterization of a recombinant goatpox virus expressing Orfv F1L gene].

Authors: Qian, Zhang; Zhen, Wang; Hui, Zhang; Ruifang, Li; Taiwang, Ji; Qingliang, Zhao; Chuangfu, Chen;

[Characterization of a recombinant goatpox virus expressing Orfv F1L gene].

Abstract

In order to establish the vaccine against the contagious ecthyma, we constructed and characterized recombinant goatpox virus expressing F1L protein of Orf virus.The F1L gene was amplified and cloned into the vector pUC-TK12 carrying the LacZ gene and a bidirectional promoter. With the help of lipidosome, the recombinant plasmid pTL-F1L was transfected into the BHK-21 cells, which had been infected by Gpv. The aim is to make the Gpv and pTL-F1L recombined randomly and get the recombinant virus, which was defined as rGpv-F1L. The rGpv-F1L was screened by blue plaque, and then the F1L recombination and translation were identified by PCR, indirect immunofluorescence and Western blot. By the means of TCID50, we evaluated the physicochemical properties of rGpv-F1L. Female mice were immunized with the rGpv-F1L, and the specific antibodies levels in serum were detected by ELISA.We obtained rGpv-F1L, which was stably expressing F1L protein. The results of biological characteristics showed the rGpv-F1L was sensitive to acids, alkalis, organic solvents and ultraviolet. The activity of specific antibodies significantly increased in mice infected by rGpv-F1L more than Gpv (P < 0.01).In this research, we have successfully obtained the candidate vaccine, which is stably expressing F1L of Orf virus. Thereby the candidate vaccine with excellent antigenicity and biological activity provides new avenues for the prevention of contagious ecthyma and capripox.

Keywords

Viral Proteins, Protein Stability, Genetic Vectors, Gene Expression, Orf virus, Capripoxvirus, Recombinant Proteins

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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