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. 2021 Feb 5;72(10):3774–3791. doi: 10.1093/jxb/erab044

Fig. 7.

Fig. 7.

Hypothetical model on TaSINA gene function in RAC875 (A) and Kukri (B) wheat varieties. We hypothesize that ABI4 binds to the S box element of the RAC875 TaSINA promoter, inhibiting the gene expression, and therefore the degradation of target protein (substrate S) by the E3 proteasome complex. This would enable increasing water use, even under heat, and consequently increasing biomass and yield.