Roseolovirus is a genus of viruses in the order Herpesvirales, in the family Orthoherpesviridae, in the subfamily Betaherpesvirinae. There are six species in this genus. Diseases associated with this genus include: HHV-6: sixth disease (roseola infantum, exanthema subitum); HHV-7: symptoms analog to the 'sixth disease'.
Species
The genus contains the following species, listed by scientific name and followed by the common name of the species:
- Roseolovirus humanbeta7, Human herpesvirus 7
- Roseolovirus humanbeta6a, Human herpesvirus 6A
- Roseolovirus humanbeta6b, Human herpesvirus 6B
- Roseolovirus macacinebeta9, Macaca nemestrina herpesvirus 7
- Roseolovirus muridbeta3, Mouse thymic virus
- Roseolovirus suidbeta2, Porcine cytomegalovirus
Structure
Viruses in Roseolovirus are enveloped, with icosahedral, spherical to pleomorphic, and round geometries, and T=16 symmetry. The diameter is around 150-200 nm. Genomes are linear and non-segmented, around 200kb in length.