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What is the function of T-DNA in Agrobacterium tumifaciens?

Options

  1. ATo deliver genes of interest into a variety of plants
  2. BTo transform normal plant cells into a tumor
  3. CTo deliver genes into bacteria
  4. DTo transform normal animal cells into cancerous cells

Correct answer

B. To transform normal plant cells into a tumor

Step-by-step solution

You may be surprised to know that we have learnt the lesson of transferring genes into plants and animals from bacteria and viruses which have known this for ages – how to deliver genes to transform eukaryotic cells and force them to do what the bacteria or viruses want. For example, Agrobacterium tumifaciens , a pathogen of several dicot plants is able to deliver a piece of DNA known as ‘T-DNA’ to transform normal plant cells into a tumor and direct these tumor cells to produce the chemicals required by the pathog

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