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. 2018 Aug 31;9:2056. doi: 10.3389/fmicb.2018.02056

FIGURE 8.

FIGURE 8

The involvement of 1-MT in tomato–Pseudomonas syringae pathosystem. ABA plays a positive role in pre-invasive stomatal immunity by induction of stomatal closure to prevent pathogen entry. 1-MT blocks JA pathway activating this way SA pathway through the expression of PR5. The increase in the concentration of Thr and Trp together with 1-MT could be affecting the cellular division of the bacteria. In addition, 1-MT reduces the expression of flic gene involved in the synthesis of the flagellum, causing a reduction in the motility of the bacteria and therefore a reduction in its capacity of infection.