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新城疫病毒xx08毒株血凝素-神经氨酸酶基因主要抗原区原核表达及鉴定    

Prokaryotic Expression of the Main Antigen Region in HN Gene of Newcastle Disease Virus xx08 Strain

文献类型:期刊文献

中文题名:新城疫病毒xx08毒株血凝素-神经氨酸酶基因主要抗原区原核表达及鉴定

英文题名:Prokaryotic Expression of the Main Antigen Region in HN Gene of Newcastle Disease Virus xx08 Strain

作者:朱艳平[1];田献礼[2];李鹏[1];岳锋[1];贾文科[1];张艳芳[1];孙国鹏[1];郭东光[2];刘卫[2];王选年[1,2]

第一作者:朱艳平

机构:[1]新乡学院生命科学与技术系生物技术研究中心;[2]河南科技学院动物科学学院

第一机构:新乡学院生命科学技术学院

年份:2012

卷号:41

期号:7

起止页码:134-137

中文期刊名:河南农业科学

外文期刊名:Journal of Henan Agricultural Sciences

收录:CSTPCD;;北大核心:【北大核心2011】;CSCD:【CSCD_E2011_2012】;

基金:教育部科学技术研究重点项目(207065);河南省高校科技创新团队支持计划项目(2008IRTSTHN011);河南省基础与前沿技术研究项目(330002)

语种:中文

中文关键词:新城疫病毒;HN蛋白抗原表位集中区;原核表达;多克隆抗体;鉴定

外文关键词:NDV; HN protein epitope concentration region; prokaryotic expression; polyclonal antibody; identification

摘要:利用基因工程技术构建新城疫病毒HN基因抗原表位集中区HNI175-K367基因片段(523-1101位)的重组表达质粒pET32-HNI175-K367。将该质粒转化大肠杆菌BL21(ED3),经IPTG诱导,SDS-PAGE鉴定表明,HNI175-K367蛋白得到高效表达,其分子量约为38kD。Western-blot分析证实,HNI175-K367蛋白与鸡新城疫病毒高免血清发生特异性反应,表明利用原核表达系统获得的重组蛋白具有良好的反应原性。
In this study,the HNI175-K367 gene fragment of HN gene epitope concentration region of Newcastle disease virus(NDV) was cloned into pET-32a(+) vector to construct the expression plasmid pET32-HNI175-K367.The plasmid was transformed into E.coli BL21(ED3) and induced by IPTG for HNI175-K367 protein expression.Then,the expressed protein was separated by SDS-PAGE and identified by western blot assay.The results showed that the HNI175-K367 protein was overly expressed and the molecular weight was about 38 kD.The expressed protein specifically reacted with anti-NDV antiserum,indicating that the prokaryotically expressed target protein had good antigencity.

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