What viruses can cause lysogenic conversion?
What viruses can cause lysogenic conversion?
This process is called lysogenic conversion. Some lysogenic phage carry genes that can enhance the virulence of the bacterial host. For example, some phage carry genes that encode toxins….Virulence factors carried on Phage.
| Bacterium | Escherichia coli |
|---|---|
| Phage | lambda phage |
| Gene Product | shigalike toxin |
| Phenotype | hemorrhagic diarrhea |
What is the difference between lysogenic conversion and transduction?
Lysogeny occurs when a phage enters into a stable symbiosis with its host. In transduction, bacterial DNA or plasmid DNA is encapsulated into phage particles during lytic replication of the phage in the donor cell and is transferred to the recipient cell by infection.
How are lysogenic viruses different from lytic viruses?
The difference between lysogenic and lytic cycles is that, in lysogenic cycles, the spread of the viral DNA occurs through the usual prokaryotic reproduction, whereas a lytic cycle is more immediate in that it results in many copies of the virus being created very quickly and the cell is destroyed.
What are the stages of lysogenic cycle?
The following are the steps of the lysogenic cycle:1) Viral genome enters cell2) Viral genome integrates into Host cell genome3) Host cell DNA Polymerase copies viral chromosomes4) cell divides, and virus chromosomes are transmitted to cell’s daughter cells5) At any moment when the virus is “triggered”, the viral …
What is the significance of lysogenic conversion?
transfer of genetic information …of transferring genetic information, called lysogenic conversion, imparts genes with special functions to bacterial cells without such functions. It is common in bacteria and is an important aspect of the epidemiology (incidence, distribution, and control) of infectious diseases.
What is the difference between an F+ and an HFR bacterium?
F+ bacteria have a nonintegrated F plasmid, while Hfr bacteria have an F plasmid that is integrated into their main chromosome. F+ bacteria have an F plasmid that includes some nuclear genes, while Hfr (high frequency recombinant) bacteria have an F plasmid with only the essential genes for conjugation.
