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Relationships among the viroids derived from grapevines.
1Department of Plant Pathology, University of California, Riverside 92521.
The Journal of General Virology
|June 1, 1992
Summary
This study defines four main groups of grapevine viroids based on their properties and molecular analysis. These viroid groups include citrus exocortis viroid (CEVd-g) and others causing yellow speckle disease.
Area of Science:
- Plant Pathology
- Virology
- Molecular Biology
Background:
- Grapevine viroids exhibit diverse physical and biological properties, suggesting potential molecular similarities or identities.
- Previous reports have documented various grapevine viroid forms, necessitating a clear classification system.
Purpose of the Study:
- To define and categorize major groups of grapevine viroids.
- To establish a standardized nomenclature for distinct grapevine viroids.
Main Methods:
- Analysis of physical and biological properties of grapevine viroids.
- Application of random-primed and specific cDNA probes for molecular characterization.
Main Results:
- Four major groups of grapevine viroids were successfully defined.
- Distinct viroid designations were established within these groups: CEVd-g, GVd-c, AGVd, GYSVd-1, GYSVd-2, and HSVd-g.
Conclusions:
- A robust classification system for grapevine viroids has been established.
- This classification aids in understanding viroid diversity and relationships in grapevines.