Virus classification
Group: Group III (dsRNA)
Family: Endornaviridae
  • Endornavirus

Endornaviridae is a family of viruses. Plants, fungi, and oomycetes serve as natural hosts. There are currently eight species in this family, divided among 1 genera (Endornavirus).[1][2][3][4]


Group: dsRNA



Linear dsRNA 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 the 5’ terminus.[1]

Genus Structure Symmetry Capsid Genomic Arrangement Genomic Segmentation
EndornavirusNo true capsidNon-EnvelopedLinearSegmented

Life Cycle

Viral replication is cytoplasmic. Replication follows the double-stranded RNA virus replication model. Double-stranded rna virus transcription is the method of transcription. The virus exits the host cell by cell to cell movement. Plants, fungi, and oomycetes serve as the natural host. Transmission routes are pollen associated.[1]

Genus Host Details Tissue Tropism Entry Details Release Details Replication Site Assembly Site Transmission
EndornavirusPlants; fungi; oomycetesAllHorizontal; verticalHorizontal; vertical; mitosisCytoplasmCytoplasmHorizontal; vertical; mitosis; pollen; ova


  1. 1 2 3 "Viral Zone". ExPASy. Retrieved 15 June 2015.
  2. 1 2 ICTV. "Virus Taxonomy: 2014 Release". Retrieved 15 June 2015.
  3. Capsid-Less RNA Viruses
  4. ICTVdB Management (2006). Endornavirus. In: ICTVdB—The Universal Virus Database, version 4. Büchen-Osmond, C. (Ed), Columbia University, New York, USA.

External links

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