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禽多杀性巴氏杆菌外膜蛋白H基因在真核细胞中的表达及检测

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摘要 利用PCR技术扩增出禽多杀性巴氏杆菌1 050 bp的外膜蛋白H基因(omph)片段,克隆到pMD18-T上,再亚克隆到真核载体pcDNA3.1(+)上,构建重组质粒pOMPH,将该重组质粒体外转染SP2/0细胞,检测其表达情况。结果表明本试验成功构建了真核表达质粒pOMPH,通过RT-PCR由转染了重组质粒的SP2/0细胞中扩增出了目的条带,Western blotting分析结果显示重组质粒pOMPH转染的SP2/0细胞泳道出现38ku的特异条带,间接免疫荧光分析表明在转染了pOMPH的SP2/0细胞中出现绿色荧光,说明omph基因在SP2/0细胞中成功表达了活性蛋白,从而为进一步研制DNA疫苗奠定了基础。
出处 《畜牧与兽医》 北大核心 2010年第7期50-52,共3页 Animal Husbandry & Veterinary Medicine
基金 河南省重点科技攻关计划项目(092102110162)
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参考文献7

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