| Myohalovirus | |
|---|---|
Virus classification  | |
| (unranked): | Virus |
| Realm: | Duplodnaviria |
| Kingdom: | Heunggongvirae |
| Phylum: | Uroviricota |
| Class: | Caudoviricetes |
| Order: | Caudovirales |
| Family: | Myoviridae |
| Genus: | Myohalovirus |
Myohalovirus (synonym: PhiH-like viruses, Phihlikevirus) is a genus of viruses in the order Caudovirales , in the family Myoviridae . Bacteria and archaea serve as natural hosts. There are three species in this genus. [1] [2]
The following three species are assigned to the genus: [2]
Myohaloviruses are nonenveloped, with a head and tail. The head is icosahedral with a diameter of about 64 nm. The tail is around 170 nm long, 18 nm wide, has short terminal fibers, and is contractile. [1]
| Genus | Structure | Symmetry | Capsid | Genomic arrangement | Genomic segmentation |
|---|---|---|---|---|---|
| Myohalovirus | Head-Tail | Non-enveloped | Linear | Monopartite |
Genomes are circular, around 59kb in length. The genome codes for 100 proteins. [1]
Viral replication is cytoplasmic. The virus attaches to the host cell using its terminal fibers, and ejects the viral DNA into the host cytoplasm via contraction of its tail sheath. DNA-templated transcription is the method of transcription. Once the viral genes have been replicated, the procapsid is assembled and packed. The tail is then assembled and the mature virions are released via lysis. Bacteria and archaea serve as the natural host. Transmission routes are passive diffusion. [1]
| Genus | Host details | Tissue tropism | Entry details | Release details | Replication site | Assembly site | Transmission |
|---|---|---|---|---|---|---|---|
| Myohalovirus | Bacteria; archea | None | Injection | Lysis | Cytoplasm | Cytoplasm | Passive diffusion |
According to the ICTV's 1997 report, the genus PhiH-like viruses was first accepted as a new genus in the family Myoviridae, at the same time as its type species. This proposal is available here. The following year (1998), the genus was added to the newly created order Caudovirales. In 1999, a name change is reported, but no change actually occurred. In 2012, the name was changed to Phihlikevirus. This proposal is available here. [2] The genus was later renamed to Myohalovirus'.
Myoviridae is a family of bacteriophages in the order Caudovirales. Bacteria and archaea serve as natural hosts. There are 625 species in this family, assigned to eight subfamilies and 217 genera.
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Spbetavirus is a genus of viruses in the order Caudovirales, in the family Siphoviridae. Bacteria serve as natural hosts. There is only one species in this genus: Bacillus virus SPbeta.
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