| Endornaviridae | |
|---|---|
 | |
| Endornaviridae particle. Shown is the replicative form (dsRNA) of the (+)ssRNA virus. | |
Virus classification | |
| (unranked): | Virus |
| Realm: | Riboviria |
| Kingdom: | Orthornavirae |
| Phylum: | Kitrinoviricota |
| Class: | Alsuviricetes |
| Order: | Martellivirales |
| Family: | Endornaviridae |
| Genera | |
Endornaviridae is a family ofviruses. Plants, fungi, andoomycetes serve as natural hosts. There are 31 species in this family, assigned to 2 genera (Alphaendornavirus andBetaendornavirus). Members ofAlphaendornavirus infect plants, fungi and the oomycetePhytophthora sp., members ofBetaendornavirus infectascomycete fungi.[1][2][3][4]
The following genera are assigned to the family:[1]
Linear, single-stranded, positive-sense RNA genome of about 14 kb to 17.6 kb. A site specific break (nick) is found in the coding strand about 1 to 2 kb from the5’ terminus. ViralZone conflicts with ICTV, listingEndornaviridae as dsRNA viruses.[1][2]
As theEndornaviridae genomes don't include acoat protein (CP) gene, they no true virions are associated with members of this family. ForVicia faba endornavirus, the RNA genome has been associated with some pleomorphic cytoplasmic membrane vesicles.[1]
Viral replication is cytoplasmic.The viral replicative form of theEndornaviridae is dsRNA. Replication follows the double-stranded RNA virus replication model. Double-stranded RNA virus transcription is the method of transcription.[2][1]
As the replicative dsRNA form is relatively stable, it can be found in comparatively high quantities in host tissues, and therefore is a likely subject of isolations[1] (this is the reason whyEndornaviridae often are classified as dsRNA viruses,[2] in contrast to the official ssRNA(+) ICTV classification).
The virus exits the host cell by cell to cell movement.[1][2]
Plants, fungi, and oomycetes serve as the natural hosts. Transmission routes are pollen associated.[1][2]