[目的]为完善我国转基因检测方法体系,建立转基因大豆MON87751品系特异性实时荧光聚合酶链式反应(real time polymerase chain reaction,PCR)检测方法。[方法]根据MON87751的3′端邻接区序列设计特异性引物和探针,建立MON87751品系特异...[目的]为完善我国转基因检测方法体系,建立转基因大豆MON87751品系特异性实时荧光聚合酶链式反应(real time polymerase chain reaction,PCR)检测方法。[方法]根据MON87751的3′端邻接区序列设计特异性引物和探针,建立MON87751品系特异性实时荧光PCR检测方法,并测定该方法的灵敏度、特异性及可重复性。[结果]灵敏度测试显示,其定量下限为40拷贝;重复性试验显示其相对标准偏差在可接受范围内。[结论]该研究建立的MON87751品系特异性实时荧光PCR检测方法特异性良好,灵敏度高,有良好的可重复性,适合对转基因大豆MON87751品系进行检测鉴定。展开更多
The main advantage of digital PCR(dPCR) is that it facilitates absolute quantification of the target without reference to the standard/calibration curve.Crystal droplet dPCR has a three-color staining detection functi...The main advantage of digital PCR(dPCR) is that it facilitates absolute quantification of the target without reference to the standard/calibration curve.Crystal droplet dPCR has a three-color staining detection function,which enables multiplex PCR reaction.In this study,this technique was used to establish triple dPCR detection for the genetically modified soybean MON87708 × MON89788 with stacked traits.Specific absolute quantitative detection was accomplished for the genomic DNA extracted from the homogenized seeds of GM stack MON87708× MON89788 soybean.Our results can serve as a reference for the absolute quantitative detection of stacked events of genetically modified crops.展开更多
文摘[目的]为完善我国转基因检测方法体系,建立转基因大豆MON87751品系特异性实时荧光聚合酶链式反应(real time polymerase chain reaction,PCR)检测方法。[方法]根据MON87751的3′端邻接区序列设计特异性引物和探针,建立MON87751品系特异性实时荧光PCR检测方法,并测定该方法的灵敏度、特异性及可重复性。[结果]灵敏度测试显示,其定量下限为40拷贝;重复性试验显示其相对标准偏差在可接受范围内。[结论]该研究建立的MON87751品系特异性实时荧光PCR检测方法特异性良好,灵敏度高,有良好的可重复性,适合对转基因大豆MON87751品系进行检测鉴定。
文摘The main advantage of digital PCR(dPCR) is that it facilitates absolute quantification of the target without reference to the standard/calibration curve.Crystal droplet dPCR has a three-color staining detection function,which enables multiplex PCR reaction.In this study,this technique was used to establish triple dPCR detection for the genetically modified soybean MON87708 × MON89788 with stacked traits.Specific absolute quantitative detection was accomplished for the genomic DNA extracted from the homogenized seeds of GM stack MON87708× MON89788 soybean.Our results can serve as a reference for the absolute quantitative detection of stacked events of genetically modified crops.