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Virus classification
Group: Group IV ((+)ssRNA)
Family: Alvernaviridae
Type Species
  • Heterocapsa circularisquama RNA virus 01

Alvernaviridae is a family of viruses. Dinoflagellates serve as natural hosts. There is currently only one species in this family: the type species Heterocapsa circularisquama RNA virus 01. Diseases associated with this family include: control of the host population possibly through lysis of the host cell.[1][2]


Group: ssRNA(+)



Viruses in Alvernaviridae are non-enveloped, with icosahedral and spherical geometries, and T=3 symmetry. The diameter is around 34 nm. Genomes are linear and non-segmented, around 4.4kb in length.[1]

Genus Structure Symmetry Capsid Genomic arrangement Genomic segmentation
Dinornavirus Icosahedral T=3 Non-enveloped Linear Monopartite

Life cycle[edit]

Viral replication is cytoplasmic. Entry into the host cell is achieved by penetration into the host cell. Replication follows the positive stranded RNA virus replication model. Positive stranded RNA virus transcription is the method of transcription. Dinoflagellates serve as the natural host.[1]

Genus Host details Tissue tropism Entry details Release details Replication site Assembly site Transmission
Dinornavirus Dinoflagellates None Lysis Cytoplasm Cytoplasm


  1. ^ a b c "Viral Zone". ExPASy. Retrieved 13 August 2015. 
  2. ^ a b ICTV. "Virus Taxonomy: 2014 Release". Retrieved 13 August 2015. 

External links[edit]