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施马伦贝格病毒核蛋白在昆虫细胞中的表达

作  者:
秦敏;郝俊虎;祝贺;邹丰才;杨云庆;杨素;叶玲玲;张永宁;周晓黎;艾军
单  位:
云南农业大学;云南出入境检验检疫局;珠海出入境检验检疫局;宁夏出入境检验检疫局;中国检验检疫科学研究院动物检疫研究所
关键词:
施马伦贝格病毒;核蛋白;杆状病毒;昆虫细胞;表达
摘  要:
参照NCBI公布的施马伦贝格病毒(SBV)的N基因开放阅读框序列,设计了一对含特异性酶切位点的引物,扩增SBV N基因,将其克隆于昆虫杆状病毒表达载体p Fast Bac HTB,然后以该重组质粒转化DH10Bac感受态细胞,得到重组穿梭质粒Bacmid-SBV-N,将该重组穿梭质粒在脂质体介导下转染Sf 9昆虫细胞,得到表达SBV重组N蛋白的杆状病毒。通过SDS-PAGE和Western blot对重组N蛋白进行鉴定,表明该蛋白得到表达。本研究为以SBV核蛋白为基础的相关检测方法的建立提供了物质基础。
译  名:
Expression of NP Gene of Schmallenberg Virus in Insect Cells
作  者:
Qin Min;Hao Junhu;Zhu He;Zou Fengcai;Yang Yunqing;Yang Su;Ye Lingling;Zhang Yongning;Zhou Xiaoli;Ai Jun;Yunnan Agricultural University;Ningxia Entry-Exit Inspection and Quarantine Bureau;Technology Center of Yunnan Entry-Exit Inspection and Quarantine Bureau;Zhuhai Entry-Exit Inspection and Quarantine Bureau;Institute of Animal Quarantine,Chinese Academy of Inspection and Quarantine;
关键词:
Schmallenberg virus;;N Gene;;baculovirus;;insect cell;;expression
摘  要:
According to the published genome sequences of Schmallenberg virus in NCBI database,a pair of specific primers were designed to amplify the nucleoprotein(NP)of SBV gene by PCR.The amplified fragment was inserted into the baculovirus expression vector p Fast Bac HTB.After sequencing and analysis,the recombinant plasmid was transformed into E.coli DH10 Bac.Recombinant baculovirus was achieved by transfection of the Sf9 cell with BacmidN.The recombinant virus was confirmed via SDS-PAGE and western blotting,showing that N protein was expressed in infected insect cells.The expression of Schmallenberg virus N protein provided the material base to develop SBV nucleoprotein-based assays.

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