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| Content Provider | frontiers |
|---|---|
| Author | Zhong, Kexin Zhu, Mengmeng Yuan, Qichao Deng, Zhibang Feng, Simeng Liu, Daoxin Yuan, Xiaomin |
| Abstract | African swine fever (ASF) is a highly detrimental viral disease caused by African swine fever virus (ASFV). The occurrence and prevalence of this disease have become a serious threat to the global swine industry and national economies. At present, the detection volume of African swine fever is huge, more sensitive and accurate detection techniques are needed for the market. pp62 protein, as a protein in the late stage of infection, has strong antigenicity and a high corresponding antibody titer in infected pigs. In this study, the CP530R gene was cloned into expression vector pET-28a to construct a prokaryotic expression plasmid, which was induced by IPTG to express soluble pp62 protein. Western blot analysis showed that it had great reactivity. Using the purified recombinant protein as an antigen, an indirect ELISA method for detecting ASFV antibody was established. The method was specific only to ASFV-positive serum, 1:1600 diluted positive serum could still be detected, and the coefficients of variation (CV) of the intra assay and inter assay were both <10%. It turns out that the assays had excellent specificity, sensitivity, and repeatability. This provides an accurate, rapid, and economical method for the detection of ASFV antibody in clinical pig serum samples. |
| ISSN | 22971769 |
| DOI | 10.3389/fvets.2021.798559 |
| Volume Number | 8 |
| Journal | Frontiers in Veterinary Science |
| Language | English |
| Publisher Date | 2022-01-13 |
| Access Restriction | Open |
| Subject Keyword | African Swine Fever Virus Pp62 protein CP530R gene Prokaryotic expression system Indirect ELISA |
| Content Type | Text |
| Resource Type | Article |
| Subject | Veterinary |
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