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. 2022 Sep 1;191(1):265–279. doi: 10.1093/plphys/kiac407

Figure 8.

Figure 8

ABI4 decreases the auxin concentration in primary roots after exposure to exogenous ABA application. Expression of auxin biosynthesis genes (A) YUCCA2, (B) YUCCA8, and concentration of (C) IAA and (D) IBA in WT and abi4 mutant seedlings grown on the 1/2 MS or ABA-application media. The 4-day-old seedlings were treated with or without 30-μM ABA for 2 h, and then the mRNA was extracted or the IAA and IBA concentrations were determined. The asterisks indicate the significant differences at the **P < 0.01 level by Student’s t test analysis. The values are means ± se.