Which one of the following is commonly used in transfer of foreign DNA into crop plants?
(a) Trichoderma harzianum
(b) Meloidogyne incognita
(c) Agrobacterium tumefaciens
(d) Penicillium expansum
(c) The uptake of foreign DNA or transgenes by plant cells is called transformation. A variety of techniques have been used to introduce transgenes into plant cells, these can be grouped into the following two categories - (i) Agrobacterium-mediated and (ii) direct gene transfers.
Agrobacterium tumemefaciens mediated transformation eliminates the need for regeneration from tissue explants.