Fig. 1. CO expression pattern in CO::GUS transgenic plants.
Histochemical localisation of GUS activity in CO::GUS Landsberg
erecta (Ler) plants grown in 16-hour LDs. (A) 12-day-old
seedling grown on MS medium. (B) Shoot apex section of an 11-day-old seedling
grown on soil. (C) Transverse section of the inflorescence stem of a
38-day-old plant grown on soil. (D) Mature leaf of a 30-day-old seedling grown
on soil. (E) Transverse section of an adult leaf. P, phloem; pX, protoxylem;
X, xylem. Scale bars: 50 µm.