Quadriviridae


Quadriviridae is a family of viruses with a single genus Quadrivirus. Fungi serve as natural hosts. There is currently only one species in this family: the type species Rosellinia necatrix quadrivirus 1.

Taxonomy

Group: dsRNA

Structure

Viruses in Quadriviridae are non-enveloped. The diameter is around 48 nm. Genomes are linear and segmented, around 16.8kb in length. The genome codes for 4 proteins.
GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
QuadrivirusNon-envelopedLinearSegmented

Life cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by penetration into the host cell. Replication follows the double-stranded RNA virus replication model. Double-stranded RNA virus transcription is the method of transcription. Fungi serve as the natural host.
GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
QuadrivirusFungi-UnknownCytoplasmic exchange; hyphal anastomosis; sporogenesisUnknownUnknownCytoplasmic exchange; hyphal anastomosis; sporogenesis