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. 2020 Jun 23;184(1):518–528. doi: 10.1104/pp.20.00485

Figure 6.

Figure 6.

Suggested model of the crosstalk between GA and ABA in guard cells. Water-deficit conditions suppress GA accumulation (Colebrook et al., 2014), leading to DELLA (PRO) stabilization. In guard cells, PRO promotes the expression of the ABA importer AIT1.1, facilitating ABA uptake into guard cells, and stomatal closure.