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标记基因是帮助对转基因生物体进行筛选和鉴定的一类外源基因 ,虽然它们仅在植物筛选的早期阶段发挥作用 ,但会存留在成熟的转基因作物中 ,因此其安全性研究不容忽视。本文着重对转基因食品中标记基因的生物安全性进行综述 ,分析其可能的风险及危害 ,总结了当前已被认可安全使用的标记基因。此外 ,对转基因食品进行强化标识是加强其市场管理的重要举措 ,其基础是要开发出准确可靠的转基因成分鉴定技术。文中对最终去除转基因食品中标记基因的方法也进行了介绍 ,以彻底消除其安全性隐患
Abstract：Marker genes are useful in facilitating the detection of genetically modified organisms(GMO). These genes play an important role during the early identification stage of GMO development, but they exist in the mature genetically modified crops. So the safety assessment of these genes could not be neglected. In this paper, all the study on the biosafety assessment of marker genes were reviewed, their possible hazards and risks were appraised, and the marker genes proved safe were list too. GMO Labeling the is one important regulations for the development of genetically modified foods in the market. The accurate detecting techniques for GMO are the basis for setting up labeling regulation. In addition, some methods used to remove marker genes in genetically modified foods were introduced in the paper, which can eliminate their biosafety concern thoroughly.
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基本信息:
中图分类号:TS201.6
引用信息:
[1]杨丽琛.转基因食品中标记基因的生物安全性研究进展及对策[J].卫生研究,2003(03):239-245.
基金信息:
国家 973项目 (No .2 0 0 1CB1 0 90 0 1及 2 0 0 1CB1 0 90 0 7); 国家 863项目 (No .2 0 0 1AA2 1 2 0 4 1及No .2 0 0 1AA2 1 2 2 91 No.2 0 0 2AA2 1 2 0 4 1 )基金资助
2003-05-20
2003-05-20