Figure 7.

ZFP3 modulates light-controlled hypocotyl elongation. A, Three-day-old Col-0 wild-type and ZFP3-overexpressing seedlings grown in the dark and light. Seeds were germinated in the presence of 4 μm estradiol. Bar = 5 mm. B, Change of hypocotyl lengths in white light in the absence or presence of estradiol. C to E, Relative hypocotyl lengths of wild-type and ZFP3ox seedlings grown under different fluence rates of monochromatic red (C), far-red (D), and blue (E) light. F, Relative hypocotyl lengths of wild-type and zfp3 zfp4 double mutant seedlings germinated under different intensities of red light. G, Hypocotyl lengths of wild-type and zfp3 zfp4 double mutant seedlings grown either in the dark or in red light at a 35 µmol m⁻² s⁻¹ fluence rate. Error bars indicate se values. Different letters show significant differences at P < 0.05 (Duncan’s test [B and G] or Student’s t test [C–F]). In C to F, hypocotyl lengths were normalized to the corresponding dark-grown seedlings, and the x axes show a logarithmic scale. [See online article for color version of this figure.]