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Development of an Indirect ELISA with Artificially Synthesized N Protein of PPR Virus

文献类型： 外文期刊

作者： Zhang, Guo-rui 3 ; Zeng, Jiang-yong 4 ; Zhu, Yu-min 1 ; Dong, Shi-juan 1 ; Zhu, Se 4 ; Yu, Rui-song 1 ; Duoji, Ciren 5 ;

作者机构： 1.Shanghai Acad Agr Sci, Inst Anim Sci & Vet Med, Shanghai 201106, Peoples R China

2.Shanghai Acad Agr Sci, Shanghai Key Lab Agr Genet & Breeding, Shanghai 201106, Peoples R China

3.Nanjing Agr Univ, Coll Vet Med, Nanjing, Peoples R China

4.Tibet Acad Agr & Anim Sci, Tibet Livestock Res Inst, Lhasa, Peoples R China

5.Tibet Acad Agr & Anim Sci, Tibet Livestock

关键词： Indirect ELISA;Peste des petits ruminants virus;Nucleocapsid protein;Nucleocapsid gene;Artificial gene synthesis

期刊名称：INTERVIROLOGY （ 影响因子：1.763； 五年影响因子：1.929 ）

ISSN： 0300-5526

年卷期： 2012 年 55 卷 1 期

页码：

收录情况： SCI

摘要： The full-length gene encoding the nucleocapsid (N) protein of the virus (PPRV) responsible for an outbreak of peste des petits ruminants in Tibet in 2007 was synthesized in two stages using overlapping PCR without the need for viral genomic cDNA as template. The full-length N gene was successfully expressed in Escherichia coli, and the purified gene product bound to monoclonal antibody raised against PPRV N protein. Furthermore, it was able to replace recombinant B-N antigen as the coating antigen in a commercial ELISA kit prepared with another PPRV strain. Recombinant protein was employed as the coating antigen to develop an indirect ELISA for PPRV antibody detection in the sera of infected small ruminants. Antibody detection was optimal at a 1:200 serum dilution and an antigen concentration of 3.2 mu g/ml, and the positive threshold (cutoff) value of the assay was 2.18. Analysis of 697 serum samples revealed the sensitivity and specificity of the indirect ELISA to be 96.7 and 96.1%, respectively, compared with a commercially available ELISA test. Copyright (C) 2011 S. Karger AG, Basel

  • 相关文献

[1]Development of an Epitope-Based Competitive ELISA for the Detection of Antibodies against Tibetan Peste des Petits Ruminants Virus. Yu, Rui-Song,Zhu, Yu-Min,Dong, Shi-Juan,Li, Zhen,Zhang, Guo-Rui,Yu, Rui-Song,Zhu, Yu-Min,Dong, Shi-Juan,Li, Zhen,Zhang, Guo-Rui,Lei, Zhi-Hai,Zeng, Jiang-Yong,Zhu, Se,Duoji, Ciren,Dunzhu, Luobu. 2013

[2]Fine mapping and conservation analysis of linear B-cell epitopes of peste des petits ruminants virus hemagglutinin protein. Yu, Ruisong,Zhu, Rui,Gao, Weixiang,Dong, Shijuan,Chen, Bingqing,Yu, Li,Xie, Chunfang,Jiang, Fengying,Li, Zhen,Zhu, Rui,Gao, Weixiang,Zhang, Ming.

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