Smacoviridae is a family of single-stranded DNA viruses.[1] The genomes of this family are small (2.3–2.8 kilobases in length). The name Smacoviridae stands for 'small circular genome virus'.[2] The genomes are circular single-stranded DNA and encode rolling-circle replication initiation proteins (Rep) and unique capsid proteins. As of 2021, 12 genera and 84 species are recognized in this family.[3][4] The viruses in this taxon were isolated from faecal samples from insects and vertebrates by metagenomic methods. Little is known about their biology.
| Smacoviridae | |
|---|---|
Virus classification  | |
| (unranked): | Virus |
| Realm: | Monodnaviria |
| Kingdom: | Shotokuvirae |
| Phylum: | Cressdnaviricota |
| Class: | Arfiviricetes |
| Order: | Cremevirales |
| Family: | Smacoviridae |
Taxonomy
The family Smacoviridae is the sole member of the order Cremevirales and together with other families of CRESS DNA viruses is included within the phylum Cressdnaviricota.[5]
The family currently includes the following genera:[3][4]
- Babosmacovirus
- Bonzesmacovirus
- Bostasmacovirus
- Bovismacovirus
- Cosmacovirus
- Dragsmacovirus
- Drosmacovirus
- Felismacovirus
- Huchismacovirus
- Inpeasmacovirus
- Porprismacovirus
- Simismacovirus
Biology
These viruses have single stranded genomes of 2.3–2.8 kilobases in length. The genome encodes two proteins, a Rep (replicator) and a CP (capsid) protein.[citation needed]