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Significance Lysophosphatidic acid (LPA) is an anionic bioactive phospholipid. In this study, we explored whether and how LPA signaling impacts plant growth and development and discovered that LPA-controlled membrane properties… Click to show full abstract
Significance Lysophosphatidic acid (LPA) is an anionic bioactive phospholipid. In this study, we explored whether and how LPA signaling impacts plant growth and development and discovered that LPA-controlled membrane properties modulate the PIN-FORMED1 (PIN1) auxin efflux transporter, which is linked to the plasma membrane and polar auxin transport in plants. Our findings reveal a fundamental role of lipid metabolism in controlling embryonic and postembryonic development, as well as mechanistically interconnecting membrane LPA and PIN1 in the fine-tuned regulation of auxin signaling.
Journal Title: Proceedings of the National Academy of Sciences of the United States of America
Year Published: 2022
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