微生物与感染
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微生物与感染
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扎伊尔埃博拉病毒糖蛋白基因的克隆和表达
张振清1,2,张爽3,黄弋1,张波1,胡晓敏1,袁志明1
1. 中国科学院武汉病毒研究所,农业与环境微生物重点实验室,武汉 430071;2. 中国科学院大学,北京 100039;3. 湖北大学,武汉 430062
Cloning and expression of Zaire Ebola virus glycoprotein in prokaryotic and eukaryotic cells
ZHANG Zhen-Qing1,2, ZHANG Shuang3, HUANG Yi1, ZHANG Bo1, HU Xiao-Min1, YUAN Zhi-Ming1
1. Key Laboratory of Agricultural and Environmental Microbiology, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, China; 2. University of Chinese Academy of Sciences, Beijing 100039, China; 3. University of Hubei, Wuhan 430062, China
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摘要: 埃博拉病毒属丝状病毒科,能引发动物和人出血热症状,人感染后病死率高达90%以上,目前还没有有效预防和治疗的药物和疫苗。近年来,这种烈性传染病病毒传入我国的可能性不断加大,给我国公共卫生应急体系带来新的挑战。本研究针对埃博拉病毒的最主要结构蛋白——糖蛋白(GP),构建了重组原核表达载体pET28a()­GP1(33313 aa)pET28a()­GP1(190313 aa)pET28a()­GP2(502632 aa)pET28a()­sGP,以及重组真核表达载体pcDNA3.1()­edited GPpcDNA3.1()­GP1pcDNA3.1()­GP。结果表明,GP1(33313 aa)GP1(190313 aa)sGP能在大肠埃希菌BL21(DE3)中以包涵体的形式表达,GPGP1GP2能在HEK293T细胞中表达,但均不能在BHK21细胞中表达。本研究为进一步探索埃博拉病毒GP的结构和功能及GP抗体制备奠定了基础。

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张振清1
2
张爽3
黄弋1
张波1
胡晓敏1
袁志明1
关键词 埃博拉病毒糖蛋白克隆表达抗体    
AbstractEbola virus belongs to filoviridae. Zaire Ebola virus has a high mortality rate up to 90%. It is transmitted through blood, secretions, organs or other body fluids of infected people or animals. Unfortunately, there are still no approved drugs and vaccines for Ebola virus infection. Considering the increasing commercial and personal communication with countries in Africa, the possibility of Ebola virus invading into China by infected animals and human highlights the necessity for the development of effective vaccines. In this study, a series of glycoproteins (GPs) were expressed by using pET28a() and pcDNA3.1() in prokaryotic and eukaryotic cells, respectively. The results showed that GP1(33­313 aa), GP1(190­313 aa) and nonstructural secretory glycoprotein (sGP) were expressed in Escherichia coli BL21(DE3)in inclusion bodies, while no GP2(502­632 aa) expression could be detected under the same condition. The edited GP, GP1 and GP2 were expressed in HEK293T cells, but not in BHK21 cells. The data provide some clues for the development of antiviral serum and effective drugs for the treatment of Ebola virus infection.

Key wordsEbola virus    Glycoprotein    Cloning    Expression    Antibody
通讯作者: 袁志明   
引用本文:   
张振清1,2,张爽3,黄弋1,张波1,胡晓敏1,袁志明1. 扎伊尔埃博拉病毒糖蛋白基因的克隆和表达[J]. 微生物与感染, 2014, 9(4): 210-216.
ZHANG Zhen-Qing1,2, ZHANG Shuang3, HUANG Yi1, ZHANG Bo1, HU Xiao-Min1, YUAN Zhi-Ming1. Cloning and expression of Zaire Ebola virus glycoprotein in prokaryotic and eukaryotic cells. JOURNAL OF MICROBES AND INFECTIONS, 2014, 9(4): 210-216.
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http://jmi.fudan.edu.cn/CN/      或     http://jmi.fudan.edu.cn/CN/Y2014/V9/I4/210

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