How are edible vaccines advantageous over recombinant vaccines produced by bacterial fermentation?
a. What are edible vaccines?
b. How are edible vaccines advantageous over recombinant vaccines produced by bacterial fermentation?
OR
How can one obtain virus-free sugarcane plants from virus-infected plants? Are these plants virus-resistant? Give reason for your response.
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a. The genes encoding antigenic proteins can be isolated from pathogens and expressed in plants. Such transgenic plants or their tissues producing antigens can be eaten for vaccination / immunization. These are called edible vaccines.
b. Edible vaccines offer following advantages over conventional vaccines.
- Low cost
- Alleviation of storage problems
- Easy delivery system by feeding (any other relevant point)
OR
Micropropagation using meristems.
No, these are not virus resistant.
Because meristems are virus-free but do not have resistance genes.
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