In this article we will discuss about the process of T-DNA transfer. Once plant exudates activating expression of vir genes and Agrobacterium attach to the plant cells, the T-DNA region in the Ti plasmid undergo excision process to transfer into the plant cells. Excision process involves active participation of vir genes such as virD, virC […]
Process of T-DNA Transfer | Genetics
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Gene Transfer in Cereals | Genetics
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Gene transfer in cereals is becoming established at the backdrop of recombinant DNA technology. Until recently, gene transfer in plants was accomplished only through certain conventional methods like sexual hybridization. The entire scenario of transformation was changed after the advancement of genetic engineering. Utility of Agrobacterium tumeifaciens as biological vector was found to be successful […]
Methods to Create Marker Gene-Free Transformed Plants | Genetics
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Four main methods have been suggested to create marker gene-free transformed plants. The methods are: 1. Co-Transformation 2. Site-Specific Recombination 3. Marker Gene Elimination by Transposase 4. Marker Gene Elimination by Intrachromosomal Recombination. Method # 1. Co-Transformation: Co-transformation strategies are popularly employed for the production of transformed plants free from marker gene(s). In this novel […]
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