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Expression of SD0803 Strain from Pig and Preparation of Antibodies E2 Protein of Bovine Viral Diarrhea Virus SD0803 Strain
Author(s): 
Pages: 31-35
Year: Issue:  4
Journal: Progress in Veterinary Medicine

Abstract: 表达去除SD0803 E2基因跨膜疏水区的sE2蛋白并制备其抗体,为猪源BVDV诊断奠定基础.RT-PCR扩增SD0803株sE2基因,构建重组原核表达载体pGEX-4T-1-sE2,转化BL21(DE3),IPTG诱导蛋白表达,以纯化的重组蛋白为抗原免疫家兔制备多克隆抗体.采用间接ELISA、Western blot、间接免疫荧光等方法鉴定获得的抗体.结果显示,抗体效价最高可达1∶256 000...
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