Pineapple
Summary
The invention disclosed by DNA
Plant Technology Corp. in a granted United States patent is directed to
the transformation of embryogenic pineapple cells or pineapple callus with
Agrobacterium having a T-DNA with a heterologous gene.
The recently granted Australian patent also uses an embryogenic cell or an embryogenic callus cell as a starting material for transformation.
In a recently filed PCT application, the Department of Primary Industries of Queensland (Australia) discloses methods for transforming pineapple cells and genetically modified pineapple by co-cultivating a pineapple explant with Agrobacterium having a gene of interest. Unlike the method used by DNA Plant Technology Corp., the transformed pineapple cells form an organogenic callus, which according to the applicants is easier and faster to obtain than an embryogenic callus.
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