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Taxonomy01:31

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Plaquing of Herpes Simplex Viruses
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ICTV virus taxonomy profile: Birnaviridae.

Bernard Delmas1, Houssam Attoui2, Souvik Ghosh3

  • 11​VIM, INRA, Université Paris-Saclay, 78350, Jouy-en-Josas, France.

The Journal of General Virology
|November 29, 2018
PubMed
Summary

Birnaviridae viruses possess segmented dsRNA genomes and infect vertebrates and insects. This report summarizes the International Committee on Taxonomy of Viruses findings on Birnaviridae virus classification.

Keywords:
BirnaviridaeICTV Reporttaxonomy

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Area of Science:

  • Virology
  • Taxonomy
  • Molecular Biology

Background:

  • Birnaviridae is a virus family characterized by bi-segmented dsRNA genomes, approximately 6 kbp in size.
  • Virions are icosahedral and non-enveloped.
  • The family comprises four genera: Aquabirnavirus, Avibirnavirus, Blosnavirus (infecting vertebrates excluding mammals), and Entomobirnavirus (infecting insects).

Purpose of the Study:

  • To present the official taxonomy of the Birnaviridae family as determined by the International Committee on Taxonomy of Viruses (ICTV).
  • To provide an updated classification of known Birnaviridae species and genera.

Main Methods:

  • The study is based on the comprehensive report from the ICTV.
  • Taxonomic data and classifications are compiled and ratified by the ICTV.

Main Results:

  • The Birnaviridae family is formally classified into four genera, with specific host ranges defined for each.
  • Economically significant viruses such as infectious pancreatic necrosis virus (salmonids) and infectious bursal disease virus (poultry) are included within this classification.

Conclusions:

  • The ICTV report provides the definitive taxonomic framework for the Birnaviridae family.
  • This classification is crucial for understanding viral diversity, host interactions, and disease impact.