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Jasmonic Acid Levels in Pepper & Arabidopsis During Infection by Xanthomonas campestris pv. vesicatoria and Pseudomonas

This study investigates the levels of jasmonic acid (JA) in pepper and Arabidopsis plants infected with Xanthomonas campestris pv. vesicatoria and Pseudomonas syringae pv. tomato. JA concentrations were measured in leaves of CaLOX1-silenced pepper plants and CaLOX1-OX Arabidopsis transgenic plants during infection by different strains of the pathogens. The results provide insights into the role of JA in plant defense mechanisms against virulent and avirulent strains of these pathogens.

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Jasmonic Acid Levels in Pepper & Arabidopsis During Infection by Xanthomonas campestris pv. vesicatoria and Pseudomonas

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  1. A 350 TRV:00 TRV:CaLOX1 300 250 JA (ng g-1 FW) 200 * 150 100 50 0 18 36 h 18 36 H Xcv, compatible Xcv, incompatible B 160 WT #12 140 120 JA (ng g-1 FW) 100 80 60 40 20 0 36 h 18 36 18 H Pst DC3000 (Empty) Pst DC3000 (avrRpm1) Supplemental Figure S4. Levels of jasmonic acid (JA) in pepper and Arabidopsis.. A, JA concentrations in leaves of empty vector control (TRV:00) and CaLOX1-silenced (TRV:CaLOX1) pepper plants during infection by the virulent strain Ds1 (compatible) and the avirulent strain Bv5-4a (incompatible) of Xanthomonas campestris pv. vesicatoria (Xcv) (106 cfu mL−1). B, JA concentrations in leaves of CaLOX1-OX Arabidopsis transgenic plants to Pseudomonas syringae pv. tomato (Pst) DC3000 and DC3000 (avrRpm1) infection

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