Abstract
Explants (7.5±2.5 mm) cut from stems and roots of 3-week-old Eustoma grandiflorum Grise, (lisianthus) cv. Glory White seedlings were bombarded with plasmid pBI221, which harbors the uidA gene encoding β-glucuronidase (GUS) driven by the cauliflower mosaic virus (CaMV) 35S promoter. More than 800 blue spots of GUS-expressing cells were observed per 90 explants. Explants bombarded with pARK22 harboring the bar gene encoding phosphinothricin acetyltransferase driven by the CaMV 35S promoter were selected for bialaphos resistance. Putative transgenic plants were obtained about 3 months after bombardment. Southern blot analysis of putative transgenic plants revealed the presence of the bar gene in their genome.
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