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GUS expression of TBR. A, Staining of a 9-d-old seedling transformed with GUS driven by the TBR promoter. B, Magnified view of stained leaf trichomes of a 9-d-old seedling. C to E, Staining of stem trichomes of seedlings transformed with TBR:GUS (C), TBL1:GUS (D), or TBL2:GUS (E). F to I, Typical staining of 3-week-old (F), 4-week-old (G), 5-week-old (H), and 6-week-old (I) TBR:GUS transgenic plants.
