无选择标记的甜瓜a-ACO1基因植物表达载体的构建及对烟草的共转化效果

被引:5
作者
魏兵强 [1 ]
赵长增 [1 ]
陆璐 [2 ]
王福兰 [1 ]
李伟民 [1 ]
机构
[1] 甘肃农业大学农学院
[2] 西北师范大学生命科学院
关键词
无选择标记; 共转化; a-ACO1; 转基因烟草;
D O I
10.13432/j.cnki.jgsau.2007.05.027
中图分类号
S562 [棉]; Q943.2 [植物基因工程];
学科分类号
0901 ; 071007 ; 090102 ;
摘要
从植物表达载体pCB-aACO1的T-DNA区段上切去nptⅡ基因,构建了无选择标记植物表达载体pCD-aACO1,其T-DNA区段只含有目的基因a-ACO1和GUS基因.从另一植物表达载体pCAMBIA2301的T-DNA区段切去GUS基因,构建了植物表达载体pCAMBIA2302,其T-DNA区段其只含有nptⅡ基因.用这2种新载体共转化烟草,在对40株抗性转基因烟草的PCR检测中,有14株扩增出a-ACO1基因,共转化率为35%.
引用
收藏
页码:68 / 72
页数:5
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