Transformation and regeneration of garlic (Allium sativum L.) by agrobacterium-mediated gene transfer
2000
Kondo, T. | Hasegawa, H. | Suzuki, M.
By using highly regenerative calluses, we developed a stable transformation system in garlic (Allium sativum L.). The temperature and number of days of co-cultivation with Agrobacterium tumefaciens was shown to be an important factor in transient expression of the uid A gene. After a culture period of 5 months in selection medium containing hygromycin, 20 shoots were induced from ca. 1000 calluses, among which 15 plants expressed beta-glucuronidase activity upon staining with X-Gluc. Shoots developed into transgenic garlic after 1 month. Integration of the uid A gene was confirmed by Southern blot analysis for genomic DNA of transgenic garlic plants.
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