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Species of virus From Wikipedia, the free encyclopedia
Enterobacteria phage P4 (also known as satellite phage P4) is a temperate bacteriophage strain of species Escherichia virus P2 within genus Peduovirus (formerly P2-like viruses, P2virus, and P2likevirus), subfamily Peduovirinae, family Myoviridae.[1] It is a satellite virus, requiring P2-related helper phage to grow lytically.
Enterobacteria phage P4 | |
---|---|
Virus classification | |
(unranked): | Virus |
Realm: | Duplodnaviria |
Kingdom: | Heunggongvirae |
Phylum: | Uroviricota |
Class: | Caudoviricetes |
Family: | Peduoviridae |
Genus: | Peduovirus |
Species: | |
Strain: | Enterobacteria phage P4 |
The P4 virion has a tail and an icosahedral head containing a linear double-stranded DNA genome of 11,627 kb.[2][3]
Phage P4 infects Escherichia coli. It is a satellite virus which cannot engage in lytic growth without the presence of a P2-related helper phage. It generally follows a lysogenic life cycle: after infection, the P4 genome integrates into that of its host. The P4 genome can also exist on its own within the host cell and can replicate as a free plasmid.[4]
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