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当前位置: 首页 > 文章 > 寄主诱导的基因沉默在改良作物抗病虫性方面的应用 湖北农业科学 2017 (23) 4454-4456+4460
Position: Home > Articles > The Application of Host-induced Gene Silencing in Improving the Resistance of Crop to Disease and Insect Hubei Agricultural Sciences 2017 (23) 4454-4456+4460

寄主诱导的基因沉默在改良作物抗病虫性方面的应用

作  者：
刘友梅;薛敏峰;史文琦;黄薇;袁斌
关键词：
RNA干扰(RNAi);基因沉默;农作物;病害;虫害
摘  要：
根据RNA干扰(RNA interference,RNAi)原理,在生物体内表达双链RNA(ds RNA)可以高效沉默生物体内基因的表达。在寄主中形成病原真菌和昆虫特异基因的小RNA会进入其体内从而产生寄主诱导的基因沉默(Host-induced gene silencing,HIGS)。病虫害对全球粮食安全构成极大的威胁,利用HIGS技术为提高农作物抗病虫性提供了有效的途径。综述了HIGS技术在提高农作物抗病虫性中的应用,总结了沉默信号在寄主与病虫间的可能的传递方式以及提出该技术存在的优缺点。
译  名：
The Application of Host-induced Gene Silencing in Improving the Resistance of Crop to Disease and Insect
作  者：
LIU You-mei;XUE Min-feng;SHI Wen-qi;HUANG Wei;YUAN Bin;Institute of Plant Protection and Clay Fertilizer ,Hubei Academy of Agricultural Sciences/Key Laboratory of Integrated Pest Management Crops in Central China, Ministry of Agriculture.P.R.China/Hubei Key Laboratory of Crop Disease,Insect Pests and Weeds Control;
单  位：
Institute of Plant Protection and Clay Fertilizer ,Hubei Academy of Agricultural Sciences/Key Laboratory of Integrated Pest Management Crops in Central China, Ministry of Agriculture.P.R.China/Hubei Key Laboratory of Crop Disease,Insect Pests and Weeds Control
关键词：
RNA interference(RNAi);;host-induced gene silencing;;crop;;disease;;pest
摘  要：
According to the principle of RNA interference(RNAi),the expression of double stranded RNA(ds RNA) in vivo can efficiently silence gene expression in organism. A small RNA that forms pathogenic fungi and insect specific genes in the host will enter its body and produce host-induced gene silencing(HIGS). Crop diseases and insect pests pose a great threat to global food security,and the use of HIGS technology provides an effective way to improve crop disease and insect resistance. This paper summarized the application of HIGS technology on improving crop disease resistance and insect pests,and the possible transfer mode of silent signal between host and insect pest,and put forward the advantages and disadvantages of this technology.

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