Q.

Give brief account of pest resistant plants?

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Detailed Solution

  • Some nematodes like Meloidegyne incognitia infect roots of tobacco plant and results in reduced yield.
  •  To prevent this infestation mechanism of RNA interference is employed. Nematode specific genes are introduced into the host plant by using Agrobacterium as a vector.
  • The introduced DNA produces both sense and antisense RNAs within the host cells. These two RNAs combine to form a double stranded RNA (ds RNA) that initiate RNAi and silence the particular mRNA of nematode.
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