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Transformation of Brassica napus L. with a 'Disarmed' Octopine Plasmid of Agrobacterium tumefaciens: Molecular Analysis and Inheritance of the Transformed Phenotype
Authors:MISRA  SANTOSH
Abstract:Phenotypically normal and fertile transgenic Brassica napuscv. Westar plants were obtained following co-cultivation ofstem epidermal explants with an Agrobacterium tumefaciens straincontaining a disarmed octopine tumour-inducing plasmid pTiB6S3-SE.The A. tumefaciens cells also contained pMON316, a cointegratevector carrying genes for kanamycin resistance and a scorablemarker nopaline synthase. Transformants were selected by theirability to grow in the presence of 100 µg cm-3 kanamycin.Transformation was confirmed by the activities of neomycin phosphotransferaseII and nopaline synthase enzymes and by Southern blots. Thekanamycin resistance trait was transferred to the progeny ofthe self-fertilized plants. Key words: Transformation, octopine Ti-plasmid, oilseed rape
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