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双重数字PCR在转基因水稻检测中的应用

作  者:
朱鹏宇;张亮亮;杜智欣;王晨光;朱水芳;付伟
关键词:
微滴数字PCR;转基因水稻;定量检测;拷贝数
摘  要:
本研究基于微滴式数字PCR(droplet Digital PCR,dd PCR)技术,针对转基因水稻Bt汕优63外源基因建立了双重数字PCR检测方法.该方法在常见的转基因品系中具有很好的特异性,转基因样品绝对定量检测范围为0.5%~100%,定量检测限可达0.5%、定性检出限可达0.05%.与目前的标准检测技术相比,双重数字PCR具有更低的定量检出限,可以更好的满足实际检测的需要.
作  者:
Zhu Pengyu;Zhang Liangliang;Du Zhixin;Wang Chenguang;Zhu Shuifang;Fu Wei;Chinese Academy of Inspection and Quarantine;Hainan Entry-Exit Inspection and Quarantine Bureau Testing Center;Guangxi Entry-Exit Inspection and Quarantine Bureau Testing Center;
单  位:
Zhu Pengyu%Zhang Liangliang%Du Zhixin%Wang Chenguang%Zhu Shuifang%Fu Wei%Chinese Academy of Inspection and Quarantine%Hainan Entry-Exit Inspection and Quarantine Bureau Testing Center%Guangxi Entry-Exit Inspection and Quarantine Bureau Testing Center
关键词:
droplet digital PCR;;genetically modified rice;;quantitative detection;;copy number
摘  要:
This study takes advantages of droplet digital PCR(dd PCR) to establish the detection method of duplex PCR for the genetically modified rice Bt Shanyou 63. The testing data proves that the duplex digital PCR has shown the excellent specificity among different GMP events. Moreover,the dynamic range has been evaluated to be 0.5% to 100%. The LOQ and LOD have been determined to 0.5% and0.05%,respectively. Compared to other detection methods,the duplex digital PCR can achieve the lower detection limit and meet the testing need better.

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