Figure 3.

CycB1:uidA expression in transgenic wild-type and drr1 seedlings. Twelve-hour GUS staining is shown for CycB1:uidA primary roots in wild-type and drr1 Arabidopsis seedlings grown on agar-solidified 0.2 × MS medium with or without N-isobutyl decanamide. A and B, Solvent-treated seedlings. C and D, Plants supplied with 30 μm N-isobutyl decanamide. E, Meristem length. Photographs are representative individuals of at least 20 stained seedlings. The experiment was repeated twice with similar results. Bar = 100 μ m. d.a.g., Days after germination. [See online article for color version of this figure.]