Figure 1.

Histochemical localization of GUS activity in transgenic plants carrying the ASF1A (A–G) and ASF1B (H–Q) promoters. A, Three-day-old whole seedlings. H, Six-day-old whole seedlings. B and K, Roots from 10-d-old seedlings. C and I, Ten-day-old wild-type whole seedlings. J, Magnification of I. D, Proliferating leaves. E and L, Mature leaves. F and P, Siliques. Q, Magnification of P. G, M, and O, Flowers at different stages of development. N, Magnification of M. [See online article for color version of this figure.]