AP BIOLOGY

Detailed explanation-1: -Agrobacterium tumefaciens is a gram-negative bacterium that uses horizontal gene transfer to create tumors in plants. Agrobacterium tumefaciens has been extensively used as major agent for the production of transgenic plants in a wide variety of plant species (Hooykaas, 1989).

Detailed explanation-2: -Agrobacterium tumefaciens is known as a natural genetic engineer of a plant because it has the natural ability to integrates its plasmid genes into the plant genomes. It can deliver a piece of T-DNA in the plant genome. Was this answer helpful?

Detailed explanation-3: -Agrobacterium tumefaciens is a plant pathogen with the capacity to deliver a segment of oncogenic DNA carried on a large plasmid called the tumor-inducing or Ti plasmid to susceptible plant cells.

Detailed explanation-4: -Agrobacterium tumefaciens is an important tool in plant biotechnology due to its natural ability to transfer DNA into the genomes of host plants. Genetic manipulations of A. tumefaciens have yielded considerable advances in increasing transformational efficiency in a number of plant species and cultivars.