Guard Cell-Specific Pectin METHYLESTERASE53 Is Required for Abscisic Acid-Mediated Stomatal Function and Heat Response in Arabidopsis

Pectin is a major component of the plant cell wall, forming a network that contributes to cell wall integrity and flexibility.Pectin methylesterase (PME) catalyzes the removal of methylester groups from the homogalacturonan Oven Anti Tilt Plate backbone, the most abundant pectic polymer, and contributes to intercellular adhesion during plant develo

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