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Monday, May 4, 2009

steps

1. Isolation of Nif gene

Nif genes are present in the nitrogen fixing bacteria Rhizobium. The bacterial cell is opened by the enzyme Lysozyme. The DNA is treated with a specific restriction endonuclease.
It produces DNA fragments with sticky ends. These fragments carry Nif genes.

2. Integration of Nif gene in the vector

Transfer of Nif gene from a bacterium to a plant genome

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