PLD — Arabidopsis thaliana

Summary

AT3G15730, also known as PLD or PLDalpha1, encodes a phospholipase D alpha 1 in Arabidopsis thaliana chromosome 3. The protein contains PLipase_D and C2 domains and exhibits phospholipase D activity, along with GTPase inhibitor, channel regulator, and lipid binding functions. This gene is associated with phospholipid metabolism, membrane breakdown and bending, microtubule stabilization, sterol and fatty acid homeostasis, and responses to lead ions and lipids. It localizes to multiple cellular compartments including the ER membrane, vacuole, chloroplast envelope, and clathrin-coated vesicles. AT3G15730 is associated with seed quality and yield, grain size, drought and salt tolerance, freezing tolerance, bacterial and viral disease responses, leaf water potential, turgor pressure, phosphate and nitrate content, seed longevity, and phototropism. Studies of related genes in other species connect the family to flowering time, seed dormancy, and fruit firmness.