HAPSTR1 and infection: Our results showed that the relative expression of TaTLP1 was significantly reduced by 75%, 60.5%, and 69.3% after infection with avirulent Pt at 24, 48, and 120 hpi, respectively, whereas the corresponding TaPR1 transcript expression in infected BSMV: TaPR1 leaves was reduced by 62.4%, 61.7%, and 57.58%, respectively (Fig 8B).