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ICTV Virus Taxonomy Profile: Geminiviridae.
F Murilo Zerbini1, Rob W Briddon2, Ali Idris3
1Departamento de Fitopatologia/Bioagro, Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil.
The Journal of General Virology
|March 13, 2017
Summary
Geminiviruses are small plant viruses with single-stranded DNA, transmitted by insects like whiteflies and leafhoppers. This report summarizes the International Committee on Taxonomy of Viruses (ICTV) findings on Geminiviridae taxonomy.
Area of Science:
- Virology
- Plant Pathology
- Entomology
Background:
- Geminiviruses are a significant family of plant-pathogenic viruses.
- They possess small, non-enveloped virions with single-stranded, circular DNA genomes.
- These viruses are transmitted by specific insect vectors, playing a crucial role in disease spread.
Purpose of the Study:
- To present the official taxonomy of the Geminiviridae family.
- To provide an updated classification based on the International Committee on Taxonomy of Viruses (ICTV) report.
- To detail the genera within Geminiviridae and their respective insect vectors.
Main Methods:
- The study is based on the comprehensive report from the International Committee on Taxonomy of Viruses (ICTV).
- Information on geminivirus classification, genome characteristics, and transmission vectors was compiled.
- The report synthesizes current knowledge on the taxonomy of the Geminiviridae family.
Main Results:
- The Geminiviridae family comprises several genera, including Begomovirus, Becurtovirus, Curtovirus, Grablovirus, Mastrevirus, Turncurtovirus, Topocuvirus, and Capulavirus.
- Each genus is characterized by specific insect vectors: whiteflies (Begomovirus), leafhoppers (Becurtovirus, Curtovirus, Grablovirus, Mastrevirus, Turncurtovirus), treehoppers (Topocuvirus), and aphids (Capulavirus).
- Geminiviruses cause economically important plant diseases globally, particularly in tropical and subtropical regions.
Conclusions:
- The ICTV provides a standardized classification for the Geminiviridae family.
- Understanding geminivirus taxonomy and transmission is vital for managing plant diseases.
- This taxonomic framework aids in research and control strategies for these significant plant pathogens.
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