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Recent advances in genetic engineering have made the transformation and regeneration of plants into a powerful tool for orchid improvement. This chapter presents a simple and reproducible Agrobacterium tumefaciens-mediated transformation protocol and molecular screening technique of transgenics for
A 64-year-old male who cultivated orchids as a hobby, had noticed itchy erythematous lesions on both hands since 6 months earlier. His eruptions had gradually worsened and scales and fissures had appeared. Although he was treated with topical corticosteroids by a doctor, his erythema showed no
The present protocol was aimed at establishing a routine transformation procedure via Agrobacterium tumefaciens for an important Oncidium orchid cultivar. An expression vector containing hptII and gusA genes driven by the cauliflower mosaic virus (CaMV) 35S promoter was successfully introduced into