烟草N基因及其介导的抗TMV信号转导分子机制  

The Tobacco N Gene and the Signal Transduction of N-mediated TMV Resistance

作　　者：王倩[1] 刘贯山[1] 

机构地区：[1]中国农业科学院烟草研究所,青岛266101

出　　处：《中国烟草科学》2016年第3期93-99,共7页Chinese Tobacco Science

基　　金：中国烟草总公司基因组重大专项项目[110201301005(JY-05)]

摘　　要：烟草N基因来源于粘烟草(Nicotiana glutinosa),通过特异识别烟草花叶病毒(tobacco mosaic virus,TMV)的解旋酶结构引发植物的过敏性坏死反应,介导植物对该病毒的抗性。N-TMV互作是研究最早且最深入的植物-病原菌互作的模型之一。从N基因的分离、转录表达、编码产物结构及其抗TMV信号转导分子机制等方面进行了综述。Tobacco N gene, cloned from wild tobacco N icotiana glutinosa, confers resistance to tobacco m osaic virus （TMV） by recognizing the helicase domain of 126 kDa TMV replicase and triggering the hypersensitive reaction at the infection site in plants.The N-TMV interaction is one of the earliest and most studied models of plant-pathogen interaction. Here, we review the isolation,expression, protein structure-function analysis of JV gene and the current understanding of the N-mediated signal transduction and other aspects.

关 键 词：N基因 烟草 TMV 信号转导 

分 类 号：S435.72[农业科学—农业昆虫与害虫防治]