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Advances in the Transformation of Cyclamen persicum Mill. Through Direct Regeneration Based on an Optimized Kanamycin Selection Scheme
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Advances in the Transformation of Cyclamen persicum Mill. Through Direct Regeneration Based on an Optimized Kanamycin Selection Scheme
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Journal Article
Advances in the Transformation of Cyclamen persicum Mill. Through Direct Regeneration Based on an Optimized Kanamycin Selection Scheme
2024
Overview
Gene transfer technology has great value in ornamental plants toward the generation of varieties with new ornate characteristics. In the previous studies through the transformation of cyclamen, hygromycin was mainly used as a selective marker. However, there have been some drawbacks associated with hygromycin usage as a selecting agent. Therefore, in the current study, the optimization of kanamycin concentration in the regeneration media has been considered. Subsequently, the plant transformation using three different in vitro explants from three Cyclamen persicum cultivars using three Agrobacterium tumefaciens strains has been examined. Accordingly, the optimal kanamycin concentrations for regeneration from root and leaf explants were determined as 10 mg/L and for microtuber explants as 30 mg/L. The successful gene transformation in the antibiotic-resistant shoots were examined by PCR and UV-equipped microscopes. The gfp reporter gene transfer resulted in the highest efficiency of transformation (60%) to date, from the leaf explants of cv. Pure White inoculated with Agrobacterium tumefaciens strain LBA4404. In contrast, the lowest gene transfer efficiency (25%) was observed in root explants of cv. Dark Violet and cv. Neon Pink inoculated with strains GV3101 and AGL-1, respectively. The results of the current project are expandable to the subsequent investigations of Cyclamen persicum transformation.
