PYL8 mediates ABA perception in the root through non-cell-autonomous and ligand-stabilization-based mechanisms [Plant Biology]

The phytohormone abscisic acid (ABA) plays a key role regulating root growth, root system architecture, and root adaptive responses, such as hydrotropism. The molecular and cellular mechanisms that regulate the action of core ABA signaling components in roots are not fully understood. ABA is perceived through receptors from the PYR/PYL/RCAR...

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