Question

Some viruses can undergo lysis or lysogeny within the same host. Under what conditions might the virus favor lysis instead of lysogeny?.

Answer 1

If the host cell is starved or unhealthy, there may be insufficient energy and material to do so. Under this condition, the virus might favor lysis instead of lysogeny.

When do viruses favor lysis instead of lysogeny?

• In the lytic cycle, viruses reproduce by producing new viruses inside a host cell, which they subsequently release into the surrounding environment.
• In the lysogenic cycle, the viral genome is incorporated into the host cell's genome, causing internal infection.
• Based on the state of the host cells, viruses frequently switch from one pathway to another.
• There is enough material present in a healthy host for the virus to replicate and make new virions.
• If the host cell is malnourished or ill, there may not be enough energy or resources to do so. In this case, lysogeny allows the DNA to integrate into the host cell and wait for the cell's health to be restored.

Hence, If the host cell is malnourished or sick, there may not be enough energy or material to do so. Under these conditions, the virus may choose lysis over lysogeny.

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