Spiromicrovirus
| Spiromicrovirus | |
|---|---|
| Virus classification | |
| Group: | Group II (ssDNA) |
| Family: | Microviridae |
| Subfamily: | Gokushovirinae |
| Genus: | Spiromicrovirus |
| Type Species | |
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Spiromicrovirus is a genus of viruses, in the family Microviridae, in the subfamily Gokushovirinae. Spiroplasma bacteria serve as natural hosts. There is currently only one species in this genus: the type species Spiroplasma phage 4.
Group: ssDNA
Viruses in Spiromicrovirus are non-enveloped, with icosahedral and round geometries, and T=1 symmetry. The diameter is around 30 nm. Genomes are circular, around 6.1kb in length.
Viral replication is cytoplasmic. Entry into the host cell is achieved by pilus-mediated adsorption into the host cell. Replication follows the ssDNA rolling circle model. DNA-templated transcription is the method of transcription. The virus exits the host cell by bacteria lysis. Spiroplasma bacteria serve as the natural host.
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