FIGURE 7. Requirement of phosphorylation of Ser²⁵⁸ for the full avirulence activity of AvrPtoB_1–307.

The experiments were performed as described in the legend to Fig. 5 except the resistant tomato line, RG-PtoR, was used. Bacterial populations at 4 days after inoculation of leaves. The means shown with the same letters were not significantly different based on least significant difference test (p = 0.05). The bars indicate standard errors. WT, wild type.