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Published on: July 27, 2018
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ICTV Virus Taxonomy Profile: Virgaviridae.
Michael J Adams1, Scott Adkins2, Claude Bragard3
1ICTV, Stevenage, Hertfordshire SG2 8BT, UK.
The Journal of General Virology
|August 9, 2017
Summary
The Virgaviridae family comprises rod-shaped plant viruses. Their classification into genera is based on genome structure and transmission, with Tobamovirus as a key example.
Area of Science:
- Virology
- Plant Pathology
- Taxonomy
Background:
- Viruses in the family Virgaviridae are characterized by rod-shaped virions.
- They possess a single-stranded RNA (ssRNA) genome with a 3'-terminal tRNA-like structure.
- Their replication protein is typical of alpha-like viruses.
Purpose of the Study:
- To summarize the International Committee on Taxonomy of Viruses (ICTV) report on Virgaviridae taxonomy.
- To outline the basis for genus demarcation within the Virgaviridae family.
Main Methods:
- Analysis of genome components, genome organization, and virus transmission modes.
- Review of the ICTV's taxonomic classifications for the Virgaviridae family.
Main Results:
- Genus demarcation within Virgaviridae is determined by variations in genome component number, organization, and transmission.
- The report provides a comprehensive overview of the current taxonomy of this plant virus family.
Conclusions:
- The classification system for Virgaviridae is based on distinct molecular and biological characteristics.
- This summary facilitates understanding of the established taxonomy for researchers studying plant viruses.
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