The Xanthomonas type III effector XopAP prevents stomatal closure by interfering with vacuolar acidification
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Plant stomata close rapidly in response to a rise in the plant hormone abscisic acid (ABA) or salicylic acid (SA) and after recognition of pathogen-associated molecular patterns (PAMPs). Stomatal closure is the result of vacuolar convolution, ion efflux, and c... ...