根据细胞肥大病毒CMV启动子基因序列设计引物,PCR扩增目的基因后,利用基因重组技术成功构建具有Kan抗性和GUS intron报告基因的植物表达载体LpPCG,并将重组质粒转化到烟草叶片中.通过CMV启动子指导的GUS intron基因在烟草叶片内的瞬时性表达,比较了其植物表达特性.结果表明:CMV启动子可启动GUS在植物体内的表达,其表达活性相当于2×35S启动子的(80.4±26.6)％.
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