This work was supported by grants from the Natural Science Foundation of China (No. 30470990, No. 30571063);the"948"Project from the Minister of Agriculture in China, the"973"Project from the Minister of Science and Technology (No.2006CB101904);Hunan Natural Science Foundation (No.06JJ10006);Scientific Research Fund of Hunan Provincial Education department (No.04A024).
Plants employ multifaceted mechanisms to fight with numerous pathogens in nature. Resistance (R) genes are the most effective weapons against pathogen invasion since they can specifically recognize the corresponding...