The N gene of tobacco confers resistance to tobacco mosaic virus in transgenic tomato

被引：211
|
作者：
Whitham, S
McCormick, S
Baker, B
机构：
[1] UNIV CALIF BERKELEY,DEPT PLANT BIOL,BERKELEY,CA 94720
[2] UNIV CALIF ALBANY,PLANT GENE EXPRESS CTR,ALBANY,CA 94710
[3] USDA ARS,ALBANY,CA 94710
来源：
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 1996年 / 93卷 / 16期
关键词：
hypersensitive response; plant disease resistance;
D O I：
10.1073/pnas.93.16.8776
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
It has been proposed that cloned plane disease resistance genes could be transferred from resistant to susceptible plant species to control important crop plant diseases. The recently cloned N gene of tobacco confers resistance to the viral pathogen, tobacco mosaic virus. We generated transgenic tomato plants bearing the N gene and demonstrate that N confers a hypersensitive response and effectively localizes tobacco mosaic virus to sites of inoculation in transgenic tomato, as it does in tobacco. The ability to reconstruct the N-mediated resistance response to tobacco mosaic virus in tomato demonstrates the utility of using isolated resistance genes to protect crop plants from diseases, and it demonstrates that all the components necessary for N-mediated resistance are conserved in tomato.
引用
收藏
页码：8776 / 8781
页数：6
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