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Tevenvirinae
Subfamily of viruses From Wikipedia, the free encyclopedia
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Tevenvirinae is a subfamily of viruses in the family Straboviridae of class Caudoviricetes.[1] The subfamily was previously placed in the morphology-based family Myoviridae, which was found to be paraphyletic in genome studies and abolished in the 2021 International Committee on Taxonomy of Viruses (ICTV) classification.[1][2] Bacteria and archaea serve as natural hosts. The subfamily contains 15 genera.[2]
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Taxonomy
The following genera are recognized:[2]
- Centumtrigintavirus
- Dhakavirus
- Gaprivervirus
- Gelderlandvirus
- Jiaodavirus
- Kagamiyamavirus
- Kanagawavirus
- Karamvirus
- Moonvirus
- Mosigvirus
- Mosugukvirus
- Risoevirus
- Tegunavirus
- Tequatrovirus
- Winklervirus
Structure
Viruses in Tevenvirinae are non-enveloped, with head-tail geometries. These viruses are about 70 nm wide and 140 nm long. Genomes are linear, around 170-245kb in length. The genome codes for 300 to 415 proteins.[3]
Life cycle
Viral replication is cytoplasmic. Entry into the host cell is achieved by adsorption into the host cell. DNA-templated transcription is the method of transcription. The virus exits the host cell by lysis, and holin/endolysin/spanin proteins. Bacteria and archaea serve as the natural host. Transmission routes are passive diffusion.[3]
References
External links
Wikiwand - on
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