[1]宋君,王东.实时荧光定量PCR检测转基因玉米MON88017[J].江苏农业学报,2016,(05):992-998.[doi:10.3969/j.issn.1000-4440.2016.05.006]
 SONG Jun,WANG Dong.A real-time fluorescent quantitative PCR for detection of genetically modified maize MON88017[J].,2016,(05):992-998.[doi:10.3969/j.issn.1000-4440.2016.05.006]
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实时荧光定量PCR检测转基因玉米MON88017()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2016年05期
页码:
992-998
栏目:
遗传育种·生理生化
出版日期:
2016-11-22

文章信息/Info

Title:
A real-time fluorescent quantitative PCR for detection of genetically modified maize MON88017
作者:
宋君王东
四川省农业科学院分析测试中心,四川成都610066
Author(s):
SONG JunWANG Dong
Analytical and Testing Center, Sichuan Academy of Agricultural Science,Chengdu 610066, China
关键词:
转基因玉米MON88017实时荧光定量PCR特异性灵敏度精确度测量不确定度
Keywords:
genetically modified maize MON88017real-time fluorescent quantitative PCRspecificitysensitivityaccuracymeasurement uncertainty
分类号:
S513.035.3
DOI:
10.3969/j.issn.1000-4440.2016.05.006
文献标志码:
A
摘要:
为完善中国转基因生物及产品定量分析标准化技术体系,保障中国生物安全和降低生态风险,本研究建立了转基因玉米MON88017及产品的实时荧光定量PCR分析方法,并用特异性、准确度、灵敏度以及测量不确定度等指标评价了该方法。结果显示该方法分析转基因玉米MON88017特异性很强;29次重复测量含量为1.50%的转基因玉米MON88017样品,平均测量值(1.541%)接近真实值(1.50%),相对偏差为2.70%,测量值的变异系数为0.110 4,回收率为100.00%,测量不确定度为0.096;在97.5%的置信水平下能检测到最低含量为5个拷贝的MON88017分子片段。因此,本研究建立的转基因玉米MON88017实时荧光定量PCR方法具有较高的特异性、准确度和灵敏度,能为中国转基因生物安全监管提供良好的技术支撑。
Abstract:
In order to compensate and improve the standardized technical systems of quantitative analyses for genetically modified organisms (GMOs) and protect China′s bio-safety and reduce ecological risk, a quantitative detection method for the genetically modified (GM) maize MON88017 was developed using real-time fluorescent quantitative PCR. The method was evaluated by several methodological indices such as specificity, sensitivity, accuracy and measurement uncertainty. The mean value of GM maize content (1.541%) repeatedly measured for 29 times was close to the real value (1.50%) with the variation coefficient of 0.1 and the relative deviation of 2.70%. The recoveries and measurement uncertainty were 100.00% and 0.096, respectively. The content of MON88017 molecular fragment as low as five copies could be detected at 97.50% confidence level. The quantitative detection method established for the GM maize MON88017 is of high specificity, accuracy and sensitivity and is capable of providing technical support for the safety supervision of genetically modified organisms in China.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-01-15 基金项目:四川省质监局标准化技术体系研究项目(ZYBZ2013-39) 作者简介:宋君(1973-),男,博士,四川成都人,副研究员,从事生物安全和分子鉴定技术研究。(E-mail)drsjn@126.com 通讯作者:王东,(E-mail):scnuwd@163.com
更新日期/Last Update: 2016-11-22