Question
What are edible vaccines? How are they produced?
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Answer
- Edible vaccine is an edible plant part engineered to produce an immunogenic protein, which when consumed gets recognized by immune system.
- Immunogenic protein of certain pathogens are active when administered orally.
- The gene encoding for immunogenic protein is isolated and inserted in a suitable vector.
- Recombinant vector is then transferred to plant genome.
- Expression of this gene in specific parts of the plant results in the synthesis of immunogenic proteins.
- When animals or mainly humans consume these plant parts, they get vaccinated against certain pathogen.
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