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Published on: July 27, 2018
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ICTV Virus Taxonomy Profile: Secoviridae 2022.
Marc Fuchs1, Jean-Michel Hily2, Karel Petrzik3
1School of Integrative Plant Science, Cornell University, Geneva, NY 14456, USA.
The Journal of General Virology
|February 7, 2023
Summary
Secoviridae are non-enveloped plant viruses infecting dicotyledonous plants, often causing disease epidemics. This summary details their genomic features, particle structure, and taxonomic classification within the Picornavirales order.
Area of Science:
- Virology
- Plant Pathology
- Taxonomy
Background:
- Secoviridae are non-enveloped plant viruses with ssRNA genomes.
- These viruses are related to picornaviruses and belong to the order Picornavirales.
- Genera within Secoviridae are differentiated by host range, vectors, and genomic characteristics.
Purpose of the Study:
- To summarize the International Committee on Taxonomy of Viruses (ICTV) report on the family Secoviridae.
- To provide an overview of the classification and characteristics of Secoviridae.
- To highlight the significance of Secoviridae in plant disease epidemics.
Main Methods:
- Review of the ICTV report on Secoviridae.
- Analysis of genomic features, particle structure, and host range.
- Phylogenetic analysis of member viruses.
Main Results:
- Secoviridae possess mono- or bipartite linear positive-sense ssRNA genomes (9–13.7 kb).
- Particles are icosahedral, 25–30 nm in diameter.
- Most Secoviridae members infect dicotyledonous plants and can cause significant disease outbreaks.
Conclusions:
- The family Secoviridae comprises diverse plant viruses with distinct taxonomic features.
- Understanding Secoviridae is crucial for managing plant diseases.
- The ICTV report provides a comprehensive classification and overview of this viral family.
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