Expression, purification of herpes simplex virus type 1 US11 Protein, and production of US11 polyclonal antibody

Virology Journal

Shanglong Yao¹  Wuyunerdeni¹  Yizhong Huang¹ 

[1] Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China

关键词: Immunofluorescent assay;    Polyclonal antibody;    Protein expression;    US11 protein;    Herpes simplex virus type 1 (HSV-1);   

Others  :  1155766
DOI  :  10.1186/1743-422X-8-490

 received in 2011-09-10, accepted in 2011-10-31,  发布年份 2011

【 摘 要 】

Background

The US11 protein of herpes simplex virus type 1 (HSV-1) is a small, highly basic phosphoprotein expressed at late times during infection. To date, the function of US11 protein in cell culture and animal models is poorly understood. To further investigate the function of the US11 protein, this study was undertaken to express the US11 protein and raise a polyclonal antibody.

Results

The US11 gene was cloned into the prokaryotic expression vector pET-32a (+) to express His-tagged US11 protein in Escherichia coli. After purification by nickel affinity chromatography and refolding, the recombinant protein was used to raise the anti-US11 polyclonal antibody. Western blot analysis demonstrated that the US11 protein was specifically recognized by the polyclonal antibody, and immunofluorescent assay also showed that the antibody was able to probe the US11 protein in the cells infected with HSV-1.

Conclusions

In the present study, we obtained a high-level expression of the recombinant US11 protein as well as high titers of rabbit polyclonal antibody specially against US11 protein in HSV-1 infected cells. This special polyclonal antibody provides a good tool for further studying structural and functional characterization of HSV-1 US11 protein.

【 授权许可】

   
2011 Huang et al; licensee BioMed Central Ltd.

【 图 表 】

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