›› 2013, Vol. 40 ›› Issue (11): 50-53.

Previous Articles     Next Articles

Identification and Expression of VP2 Gene of Porcine Parvovirus BQ-C Isolate

LIU Zhao-xia1,2, LIU Yong-gang2, BI Ke-dong1, ZHOU Shun1, CUI Shang-jin1,2   

  1. 1. College of Animal Science and Veterinary Medicine, Qingdao Agricultural University, Qingdao 266109, China;
    2. Division of Swine Infectious Disease, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150001, China
  • Received:2013-04-10 Online:2013-11-20 Published:2013-12-19

Abstract: The BQ-C isolate of porcine parvovirus (PPV) was propagated on PK15 cell, and identified by polymerase chain reaction (PCR), haemagglutination test (HA) and electron microscope. To express the VP2 structural protein of PPV BQ-C strain, the VP2 gene was cloned into pET-30a(+) and expressed in E.coli BL21(DE3). SDS-PAGE analysis showed that the recombinant protein was about 71.5 ku. Western blotting assay confirmed that the protein was able to specifically react with PPV positive serum. In this study, the BQ-C isolate of PPV was successfully obtained, and the recombinant VP2 protein could be used for the diagnosis of PPV and vaccine development.

Key words: porcine parvovirus; recombinant VP2 protein; prokaryotic expression; immunoreactivity

CLC Number: