Figure 6. Histochemical localization of AtDFB promoter activity and AtDFB expression patterns.
(A) Schematic diagram of the AtDFB: GUS construct. LB and RB indicate the left and right borders, respectively, and Kana indicates the kanamycin resistance gene. (B) GUS staining of 2- and 3-day-old etiolated seedlings under 9.4 N or 0.3 N conditions.