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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

Cloning of CP Gene of SCMV and Construction of Several Expression Vectors
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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。 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 (pCAMIACP) and pCAMBIACPr).
出处 《吉林农业大学学报》 CAS CSCD 北大核心 2007年第2期133-138,共6页 Journal of Jilin Agricultural University
基金 北京市高技术基金项目(953850100)
关键词 玉米矮花叶病 甘蔗花叶病毒 外壳蛋白 表达载体 maize dwarf mosaic disease sugarcane mosaic virus (SCMV) coat protein (CP) expression vector
作者简介 刘小红(1975-),男,博士,讲师,主要从事植物基因工程研究。 谭振波,通讯作者
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参考文献15

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