Fig. 3
From: The ZmRCP-1 promoter of maize provides root tip specific expression of transgenes in plantain
PCR analysis of transgenic plantain lines. Positive transgenic lines screened by PCR for a 528 bp region of the gusA gene. Amplification from the pBI121 plasmid was used as a positive control (P) and amplification from the genomic DNA of a non-transformed plantain was used as a negative control (NT). Twenty RCP-1:GUS lines (R) and 15 35S:GUS lines (C) were positive. 100 bp plus DNA ladder (M) used to assess size of amplified bands