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Supplemental data. Figure 1. A17 root tip epidermal viability scored after inoculation with GMI1000 and all tested T3Es mutants at 3 dpi. Score 0 was attributed to intact epidermis seen T3SS defective mutant controls (GMI1402) and score 4 corresponded to a fully altered epidermis observed with GMI1000. avrA(GMI1758) and gala7 (GRS138) mutants showed a median score of 3 and 2,5 respectively. Root tip epidermis cell death seemed to imply other T3Es having minor effects on the phenotype. Three biological repeats included 10 individual plants per repeat.