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. 2018 Oct 1;178(3):1370–1389. doi: 10.1104/pp.18.00126

Figure 8.

Figure 8.

UGT75B1 regulates endogenous free PABA levels and the root gravity response. A, Distribution of gravitropic angles of 7-d-old seedlings of wild-type Landsberg erecta and the ugt75b mutant grown on control and 200 µm PABA medium and gravistimulated by rotating the plate at 135° for 4 h. B to D, Quantification of PABA in planta. Each value is the average of three independent experiments ± sd. Asterisks indicate significant differences from the control by Student’s t test (P < 0.01). B, Wild-type (WT; Col-0) plants grown on control medium. C, Lex::UGT75B plants grown on control medium. D, Lex::UGT75B plants grown on medium supplemented with 1 µm β-estradiol (EST). F.W., Fresh weight. E, Distribution of gravitropic angles of 7-d-old Lex::UGT75B seedlings grown on medium containing different concentrations of β-estradiol and gravistimulated as in A. F, Distribution of gravitropic angles of 7-d-old wild-type (Col-0) seedlings grown on medium containing different concentrations of β-estradiol and gravistimulated as in A.