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NEET2006ZoologyBiotechnology - Principles and ProcessesActual

Two microbes found to be very useful in genetic engineering are:

Options

  1. Acrown gall bacterium and Caenorhabditis elegans
  2. BEscherichia coli and Agrobacterium tumefaciens
  3. CVibrio cholerae and a tailed bacteriophage
  4. DDiplococcus sp. and Pseudomonas sp.

Correct answer

B. Escherichia coli and Agrobacterium tumefaciens

Step-by-step solution

Escherichia coli and Agrobacterium tumefaciens are the microbes found to be very useful in genetic engineering. E. coli is a motile, gram negative, rod shaped bacterium which is a normal inhabitant of human colon. It is most extensively used in bacterial genetics and molecular biology. Agrobacterium tumefaciens is a soil bacterium. It has Ti plasmid (Tumour inducing plasmid) and it can be used for the transfer of a desired gene in dicot plants. Related Theory Using Agrobacterium vectors, nematode specific genes are

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