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Pasivirus

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Pasivirus
Virus classification
Group:
Group IV ((+)ssRNA)
Order:
Picornavirales
Family:
Picornaviridae
Genus:
Pasivirus
Type Species
  • Pasivirus A

Pasivirus is a genus of viruses in the order Picornavirales, in the family Picornaviridae. Pigs serve as natural hosts. There is currently only one species in this genus: the type species Pasivirus A.[1][2]

Taxonomy

Group: ssRNA(+)

    • Genus: Pasivirus
      • Pasivirus A

[2]

Structure

Viruses in Pasivirus are non-enveloped, with icosahedral, spherical, and round geometries, and T=pseudo3 symmetry. The diameter is around 30 nm. Genomes are linear and non-segmented, around 7.3kb in length.[1]

Genus Structure Symmetry Capsid Genomic Arrangement Genomic Segmentation
Pasivirus Icosahedral Pseudo T=3 Non-Enveloped Linear Monopartite

Life Cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by attachment of the virus to host receptors, which mediates endocytosis. Replication follows the positive stranded RNA virus replication model. Positive stranded RNA virus transcription is the method of transcription. Translation takes place by ribosomal skipping. The virus exits the host cell by lysis, and viroporins. Pigs serve as the natural host.[1]

Genus Host Details Tissue Tropism Entry Details Release Details Replication Site Assembly Site Transmission
Pasivirus Pigs None Cell receptor endocytosis Lysis Cytoplasm Cytoplasm Unknown

References

  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

Retrieved from "https://en.wikipedia.org/w/index.php?title=Pasivirus&oldid=732300842"