PPIB and infection: Previous reports revealed that the Phytophthora capsici effector PcAvr3a12, the Bursaphelenchus xylophilus effector BxML1, and the Xanthomonas citri effector PthA2 facilitate infection and virulence by targeting and suppressing the PPIase activity of CYP.[43, 76, 78] We next investigated whether the abundance of GhFKBP17‐2 could be affected by PPI5.