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Position: Home > Articles > Construction of Chicken Interleukin 2 Prokaryotic Vector and Identification of Expression Product China Poultry 2005,27 (14) 15-17

鸡白细胞介素2原核表达载体的构建及表达产物的鉴定

作  者:
提金凤;张艳梅;郝贵杰;邵卫星;刘秀梵
单  位:
扬州大学农业部畜禽传染病学重点开放实验室
关键词:
鸡IL-2;cDNA;包涵体;表达
摘  要:
将鸡白细胞介素2(IL-2)的cDNA克隆到原核表达载体pET-30a(+)上,构建原核重组表达质粒pET-IL-2,并在大肠杆菌BL21(DE3)中诱导表达,37℃用IPTG诱导3.5h后,SDS-PAGE检测表明,表达蛋白以包涵体的形式存在。将诱导后的工程菌超声波裂解,离心后的沉淀用PBS洗涤5~6次,得到高纯度的目的蛋白。
译  名:
Construction of Chicken Interleukin 2 Prokaryotic Vector and Identification of Expression Product
作  者:
Ti Jinfeng,Zhang Yanmei,Hao Guijie,Shao Weixing,Liu Xiufan* (Ministry Key Laboratory of Animal Infectious Disease,Yangzhou University,Yangzhou 225009)
关键词:
chicken IL-2;cDNA;inclusion body;expression
摘  要:
Chicken IL-2 cDNA was cloned into prokaryotic expression plasmid pET-30a(+) to construct recombinant plasmid pET-IL-2,which was expressed in E.coli. BL21(DE3). When the BL21(DE3) was induced by IPTG for 3.5h at 37℃,the expressed product was proved to exist in inclusion body by SDS-PAGE. After being purificated with PBS for 5~6 times,the highly pure product was gotten.

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