Betanecrovirus
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| Betanecrovirus | |
|---|---|
Virus classification  | |
| (unranked): | Virus |
| Realm: | Riboviria |
| Kingdom: | Orthornavirae |
| Phylum: | Kitrinoviricota |
| Class: | Tolucaviricetes |
| Order: | Tolivirales |
| Family: | Tombusviridae |
| Subfamily: | Procedovirinae |
| Genus: | Betanecrovirus |
Betanecrovirus is a genus of viruses, in the family Tombusviridae. Plants serve as natural hosts. There are three species in this genus.[1][2]
The genus contains the following species, listed by scientific name and followed by their common names:[2]
- Betanecrovirus betae, Beet black scorch virus
- Betanecrovirus nicotianae, Tobacco necrosis virus D
- Betanecrovirus porri, Leek white stripe virus
Structure
Viruses in Betanecrovirus are non-enveloped, with icosahedral and spherical geometries, and T=3 symmetry. The diameter is around 28 nm in diameter. Genomes are linear, around 4kb in length.[1]
| Genus | Structure | Symmetry | Capsid | Genomic arrangement | Genomic segmentation |
|---|---|---|---|---|---|
| Betanecrovirus | Icosahedral | T=3 | Non-enveloped | Linear | Monopartite |