文章摘要
EPSPS基因克隆及其表达载体的构建(英文)
Cloning of EPSPS gene and construction of its expression vector
  
DOI:
中文关键词: 大豆  EPSPS基因  抗草甘膦  表达载体  构建
英文关键词: soybean  EPSPS gene  glyphosate resistance  expression vector  construction
基金项目:Special project for cooperation between Nanning City and Guangxi University(200901029B);project InitiatingFoundation for Doctoral Degree Holders of Guangxi University(X041054)
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中文摘要:
      【目的】克隆大豆EPSPS基因并构建其表达载体,为培育抗草甘膦作物提供理论基础和技术储备。【方法】以抗草甘膦大豆总基因组为模板,扩增EPSPS基因,构建EPSPS基因的植物表达载体PCAMBIA1300-UBI-GFP-EPSPS,并导入农杆菌,使其能够进行作物的遗传转化。【结果】扩增获得EPSPS基因全长1368bp,共编码455个氨基酸。测序结果表明,其与GenBank(AF464188.1)中已知的CDS序列完全一致,成功构建了EPSPS植物表达载体,并将其导入农杆菌菌株EHA105中。【结论】构建的表达载体可用于甜高粱等单子叶作物抗草甘膦性状的遗传改良。
英文摘要:
      [Objective]This research aimed to clone EPSPS gene of soybean and construct its expression vector in order to provide the theoretical basis and the technical reservation for the cultivation of glyphosate-resistant crop.[Method]The total genome of glyphosate-resistant soybean was used as templates.The EPSPS gene was amplified,and its plant expression vector,PCAMBIA1300-UBI-GFP-EPSPS,was constructed;afterwards,it was translated into Agrobacterium tumefaciens in order to carry out the crop’s genetic transformation.[Result]The full-length of the amplified EPSPS gene was 1368 bp,which encoded 455 amino acids.The sequencing result showed the identical CDS sequence as the known one in GenBank(AF464188.1).The plant expression vector of EPSPS was constructed successfully and translated into Agrobacterium tumefaciens EHA105.[Conclusion]After its genetic transformation,this expression vector could be used for glyphosate-resistant trait improvements in sweet sorghum and other monocotyledon crops.
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