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甘蔗花叶病毒外壳蛋白基因的克隆及系列表达载体的构建
引用本文:刘小红,荣廷昭,谭振波.甘蔗花叶病毒外壳蛋白基因的克隆及系列表达载体的构建[J].吉林农业大学学报,2007,29(2):133-138.
作者姓名:刘小红  荣廷昭  谭振波
作者单位:1. 西华师范大学生命科学学院,南充,637002;四川农业大学玉米研究所,雅安,625014;北京大北农农业科技研究院,北京,100085
2. 四川农业大学玉米研究所,雅安,625014
3. 北京大北农农业科技研究院,北京,100085
摘    要:采用RT-PCR法,从表现玉米矮花叶病症状的玉米叶片中克隆了外壳蛋白(Coat protein)基因。测序和同源性比较结果表明:所克隆的CP基因来自甘蔗花叶病毒(Sugarcane mosaic virus,SCMV)MDB株系,编码219个氨基酸。以CP基因为目的基因,构建了用于基因枪转化的p35SCPfBar,p35SCPrBar,pUbiCPfBar,pU-biCPrBar 4个表达载体和用于农杆菌转化的pCAMBIACPf,pCMABIACPr 2个表达载体。

关 键 词:玉米矮花叶病  甘蔗花叶病毒  外壳蛋白  表达载体
文章编号:1000-5684(2007)02-0133-06
修稿时间:2006-05-082006-09-12

Cloning of CP Gene of SCMV and Construction of Several Expression Vectors
LIU Xiao-hong,RONG Ting-zhao,TAN Zhen-bo.Cloning of CP Gene of SCMV and Construction of Several Expression Vectors[J].Journal of Jilin Agricultural University,2007,29(2):133-138.
Authors:LIU Xiao-hong  RONG Ting-zhao  TAN Zhen-bo
Abstract:The SCMV(Sugarcane mosaic virus) CP(Coat protein) gene was cloned from maize leaf with maize dwarf mosaic symptom by RT-PCR method.Sequencing showed that the isolated gene was derived from SCMV MDB strain,with open-reading-frame encoding 219 amino acids.6 expression vectors were constructed based on CP gene,among them,4 could be used to transform via microprojectile bombardment(p35SCPfBar,p35SCPrBar,pUbiCPfBar,and pUbiCPrBar),and 2 used to Agrobacterium tumefaciens-mediated transformation(pCAMIACPf and pCAMBIACPr).
Keywords:maize dwarf mosaic disease  sugarcane mosaic virus (SCMV)  coat protein(CP)  expression vector
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