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The lytic cycle (/ ˈ l ɪ t ɪ k / LIT-ik) is one of the two cycles of viral reproduction (referring to bacterial viruses or bacteriophages), the other being the lysogenic cycle. The lytic cycle results in the destruction of the infected cell and its membrane. Bacteriophages that can only go through the lytic cycle are called virulent phages ...
At this point they initiate the reproductive cycle, resulting in lysis of the host cell. As the lysogenic cycle allows the host cell to continue to survive and reproduce, the virus is replicated in all offspring of the cell. An example of a bacteriophage known to follow the lysogenic cycle and the lytic cycle is the phage lambda of E. coli. [53]
The lytic pathway causes the host to produce and release progeny virions, usually killing it in the process. The lysogenic pathway involves the virus inserting itself into the bacterium's chromosome. At a later stage, the viral genome is activated, and it continues along the lytic pathway of producing and releasing progeny virions.
A prophage is a bacteriophage (often shortened to "phage") genome that is integrated into the circular bacterial chromosome or exists as an extrachromosomal plasmid within the bacterial cell. [1] Integration of prophages into the bacterial host is the characteristic step of the lysogenic cycle of temperate phages.
Virulent phages enter the lytic cycle where they replicate and lyse the bacterial cell. [7] Virulent phages can differentiate between different species of bacteria based on their specific lytic action. [8] Lysis will only occur if the virulent phage adsorbs to the bacterial surface, configuring species specificity to phages. [5] Temperate ...
Bacteriophage T7 (or the T7 phage) is a bacteriophage, a virus that infects bacteria. It infects most strains of Escherichia coli and relies on these hosts to propagate. Bacteriophage T7 has a lytic life cycle , meaning that it destroys the cell it infects.
Life Cycles and Host Interaction. Corynephages exhibit two primary life cycles: lytic and lysogenic. In the lytic cycle, the phage attaches to the bacterial cell, injects its DNA, and uses the cell's machinery to replicate its genome and produce new virions. This process eventually leads to the lysis of the host cell and the release of new ...
Escherichia virus T5, sometimes called Bacteriophage T5 is a caudal virus within the family Demerecviridae. This bacteriophage specifically infects E. coli bacterial cells and follows a lytic life cycle .