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猪流行性腹泻病毒流行毒株S1片段的克隆表达及其抗体制备 被引量:3

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摘要 通过对猪流行性腹泻病毒(PEDV)流行毒株S基因进行序列分析,选取S1蛋白502~641氨基酸位置,根据大肠杆菌密码子偏嗜性进行密码子优化,PCR融合扩增片段,并将其克隆到原核表达载体上,获得重组质粒p ET32a-S417、p XXGST-S417。将获得的重组质粒转化到BL21感受态细胞,成功诱导表达、纯化,以GST-S417重组蛋白作为抗原免疫家兔制备多克隆抗体。结果表明:本试验所选区域具有好的抗原免疫原性,制备的多克隆抗体能特异性识别目的蛋白,为PEDV诊断试剂盒和疫苗研制提供了理论依据。
出处 《畜牧与兽医》 北大核心 2015年第12期103-107,共5页 Animal Husbandry & Veterinary Medicine
基金 国家国际科技合作与交流专项(2013DFG32370) 上海市科技创新行动计划(13391901502)
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参考文献15

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