Lysogenic Cycle of Bacteriophages and the Role of Prophages in Host Cell Activation

In the lysogenic cycle of bacteriophages, the integrated phage genome is known as what?

prophage

In the lysogenic cycle of bacteriophages, the integrated phage genome is known as a prophage. During this cycle, the phage DNA becomes incorporated as a provirus into the host cell DNA and is replicated along with it. The prophage is an inactive state in which the phage does not produce new virions and does not harm the host cell. Under certain conditions, such as exposure to UV radiation or chemicals, the prophage can be activated and enter the lytic cycle, in which the phage replicates and lyses the host cell, releasing new virions.

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Transcription of (-)ssRNA by RdRP: Critical Step in RNA Virus Life Cycle
Transduction: The Mechanism of Horizontal Gene Transfer via Bacteriophages
Retroviruses: The Significance and Challenges of Provirus Integration in Host Genomes

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