Figure 1. Schematic diagram of a part of the T-DNA region of transformation vector pBI121. RB, right border; LB, left border; Nos-pro, nopaline synthase promoter; NPTII, gene for neomycin phosphotransferase; NOS-ter, terminator of nopaline synthase; CaMV35S-pro, 35S promoter of cauliflower mosaic virus; β-glucuronidase, GUS reporter gene.