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AtSUC1, but not AtSUC2, has regulatory elements outside the 5′ region. A, B, E, and F, AtSUC1-promoter∷GUS. C and D, AtSUC1-whole-gene∷GUS. G, AtSUC2-promoter∷GUS. H, AtSUC2-whole-gene∷GUS. A and C are whole plants, B and D are close ups of the root tip, E is a leaf showing trichome staining, F is a close up of trichomes, and G and H are rosette leaves.
