Figure 6.

GUS histochemical staining of PmPLT1 promoter-GUS plants and identification of the GUS gene in genomic DNA of BASTA-resistant Plantago plants. A, PCR analysis of genomic DNA from two BASTA-resistant Plantago plants (nos. 1 and 2). The used primers amplify a 436-bp fragment of the GUS gene (arrow). The same fragment is seen only in a control with +. It is absent from wild-type (wt) Plantago and from the water (H₂O) control. B, GUS histochemical staining of a leaf from a PmPLT1 promoter-GUS Plantago plant. Scale bar = 1 mm.