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. 2013 Jul 1;162(4):2125–2139. doi: 10.1104/pp.113.219451

Figure 9.

Figure 9.

Model for the rescue of sly1 seed germination by GID1-GA-DELLA complex formation. A, After-ripening of sly1-2 stimulates seed germination by increasing endogenous GA levels that promote GID1-GA-DELLA complex formation. GID1 overexpression also increases GID1-GA-DELLA formation, thereby inactivating DELLA repression of GA-responsive (GA-R) gene expression and responses. B, GID1 can prevent DELLA induction of XERICO transcription either via SLY1-directed DELLA degradation or directly through GID1-GA-DELLA complex formation. Reduced XERICO expression results in decreased ABA accumulation in after-ripened sly1 and sly1 GID1 overexpression lines.