The wheat Pm3 immune receptors confer resistance against powdery mildew by recognizing isolate-specific avirulence (AVR) effectors of the pathogen. Here, the authors identify and characterize two new AVR genes and demonstrate that Pm3 receptors are determinants of host-specificity for grass mildews.
- Salim Bourras
- Lukas Kunz
- Beat Keller