Giardiavirus

Giardiavirus
Virus classification
Group: Group III (dsRNA)
Family: Totiviridae
Genus: Giardiavirus
Type Species
  • Giardia lamblia virus

Giardiavirus is a genus of viruses, in the family Totiviridae. Protozoa serve as natural hosts. There is currently only one species in this genus: the type species Giardia lamblia virus.[1][2]

Taxonomy

Group: dsRNA

[2]

Structure

Viruses in Giardiavirus are non-enveloped, with icosahedral geometries, and T=2 symmetry. The diameter is around 36 nm. Genomes are linear, around 6277kb in length. The genome has 2 open reading frames.[1]

Genus Structure Symmetry Capsid Genomic Arrangement Genomic Segmentation
GiardiavirusIcosahedralT=2Non-EnvelopedLinearMonopartite

Life Cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by attachment to host receptors, which mediates endocytosis. Replication follows the double-stranded RNA virus replication model. Double-stranded rna virus transcription is the method of transcription. Translation takes place by -1 ribosomal frameshifting, and viral initiation. Protozoa serve as the natural host.[1]

Genus Host Details Tissue Tropism Entry Details Release Details Replication Site Assembly Site Transmission
GiardiavirusProtozoaNoneCell receptor endocytosisExocytosisCytoplasmCytoplasmPassive diffusion

References

  1. 1 2 3 "Viral Zone". ExPASy. Retrieved 15 June 2015.
  2. 1 2 ICTV. "Virus Taxonomy: 2014 Release". Retrieved 15 June 2015.

External Links

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