鸡传染性贫血病毒衣壳蛋白的原核表达及免疫原性分析

China Animal Husbandry & Veterinary Medicine(2013)

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Abstract
将从组织病料中提取的鸡传染性贫血病毒(chicken infectious anemia virus,CIAV)核酸进行PCR扩增,获得vp1基因,将其克隆到表达载体pET32a(+)中,构建了CIAVvp1基因重组质粒,命名为pET32a-vp1。将pET32a-vp1转化E.coliplys,重组菌经IPTG诱导,SDS-PAGE分析结果表明,vp1基因在大肠杆菌中成功表达。纯化的蛋白质作为包被抗原,ELISA鉴定结果表明具有良好的抗原性。本试验结果为进一步研究用重组抗原制备CIAV ELISA诊断试剂盒奠定了基础。
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Key words
vp1,prokaryotic expression,chicken infectious anemia virus(CIAV)
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