期刊文献+

猪CRYAB基因原核表达载体的构建及表达条件的优化

Construction of recombinant prokaryotic vector containing CRYAB genes of swine and the optimization expression
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摘要 将猪CRYAB基因cDNA连接到原核表达载体pRSET A中,构建重组表达质粒pRSET A-CRYAB,经酶切和测序鉴定后,转入表达宿主大肠杆菌BL21进行诱导表达,SDS-PAGE电泳分析表明,如期获得了重组蛋白的表达,其主要以包涵体的形式存在,且最佳条件为诱导温度25℃,时间15 h,IPTG浓度为0.2 mmol/L。 cDNA of CRYAB gene of swine was inserted into pRSET A prokaryotic expression vector.The recombinant plasmid named pRSET A-CRYAB was constructed,and secendly transformed into E.coli BL21(DE3) cells.SDS-PAGE analysis showed that pRSET A-CRYAB protein was successfully expressed existing in the inclusionbody form,and the optimum condition for the expression was 25℃,15 h,0.2 mmol/L IPTG.
出处 《广东农业科学》 CAS CSCD 北大核心 2011年第16期127-130,共4页 Guangdong Agricultural Sciences
基金 广东省科技攻关项目(2010A020102003) 广东省生猪产业技术体系建设专项
关键词 CRYAB基因 原核表达 条件优化 CRYAB gene prokaryotic expression optimization
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