作物学报 ›› 2013, Vol. 39 ›› Issue (08): 1501-1506.doi: 10.3724/SP.J.1006.2013.01501
张广远1,2,孙红炜1,李凡1,杨淑珂1,路兴波1,*,赵蕾2,*
ZHANG Guang-Yuan1,2,SUN Hong-Wei1,LI Fan1,YANG Shu-Ke1,LU Xing-Bo1,*,ZHAO Lei2,*
摘要:
质粒分子以其良好的适应性被较多地用作转基因标准材料的替代品。本文根据转植酸酶基因玉米phyA2基因设计引物与探针,并构建了一种包含phyA2基因片段(243 bp)和内标基因片段(178 bp)的质粒分子pPZ。选取不同转基因模板DNA作用于phyA2特异性引物,PCR结果显示只有转植酸酶基因玉米出现131 bp的目的条带;选取不同转基因作物检测体系作用于质粒分子pPZ,只有以pPZ DNA为模板时出现目的条带(131 bp和88 bp)。同时采用pPZ质粒分子和转基因玉米阳性基因组DNA为标准对4个转植酸酶基因玉米混合样品(3.0%、1.0%、0.5%和0.1%)进行定量检测,t检验表明,2种标准产生的斜率、线性相关系数和定值结果没有显著差异。这些结果表明,pPZ质粒分子可以作为转植酸酶基因玉米替代品用于定性和定量检测。
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