Identification of conserved tyrosine residues important for gibberellin sensitivity of Arabidopsis RGL2 protein.

Abstract excerpt

DELLA proteins are regulators in the signaling pathway of gibberellin (GA), a plant growth regulator of diverse functions. GA typically induces the degradation of DELLA proteins to overcome their repressive roles in growth and development. We have previously evaluated the likely roles of Ser-Thr phosphorylation of DELLA proteins in GA signaling (Hussain et al., Plant J 44:88-99, 2005). Here we report that four...

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