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盘鲍原肌球蛋白基因的克隆、表达及其免疫原性鉴定 被引量:1

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摘要 为获得具有过敏原活性的重组盘鲍TM进行了试验。克隆盘鲍原肌球蛋白(tropomyosin,TM)基因并表达纯化出重组蛋白,对其免疫学特性进行了鉴定。从盘鲍肌肉中提取总RNA,RT-PCR克隆盘鲍中原肌球蛋白基因,根据序列设计带有酶切位点的特异性引物,扩增盘鲍TM的开放阅读框,与pET-28a载体连接并转化入大肠杆菌Escherichia.coli BL21(DE3),诱导表达后,Ni2+亲和层析柱纯化重组蛋白,West-ern-blot检测其免疫学活性。经序列测定,该基因由855个碱基组成,编码284个氨基酸。SDS-PAGE检测该重组蛋白在大肠杆菌中高效表达38 kD的目的蛋白,且重组蛋白具有良好的IgE结合活性。
出处 《水产科技情报》 北大核心 2012年第4期163-167,共5页 Fisheries Science & Technology Information
基金 国家863计划(No.2006AA100308) 深圳市深港创新圈项目(No.CX Q2008026) 深圳大学校创新科研团队基金(No.200904)
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二级参考文献9

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