Reference #1 Abstract INTRODUCTION RESULTS DISCUSSION MATERIALS AND METHODS Acknowledgments Supplementary Materials REFERENCES eLetters (0) Information & Authors Metrics & Citations View Options References Figures Tables Media Share This article has 0 eLetter . Abstract The phytopathogen Pseudomonas syringae must enter the leaf interior through natural openings such as stomata to cause disease. Plants restrict pathogen entry into the leaf through non–self-recognition–driven stomatal closure. P.