ABI1 and infection: For example, upon infection with PcBMM, the expression of PAD3, PDF1-2 and PR1, but not CYP81F2, was enhanced in abi1/2 hab1 mkp1-1 in comparison to abi1/2 hab1, and the expression of PAD3 and CYP81F2 was higher in aba1-6 mkp1-1 than in aba1-6 (Figure 7A).