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Pepper Mottle Virus and Its Host Interactions: Current State of Knowledge
Miao Fang1, Jisuk Yu2, Kook-Hyung Kim1,2,3
1Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Korea.
Viruses
|October 26, 2021
Summary
Pepper mottle virus (PepMoV) causes significant damage to solanaceous crops. This review details PepMoV
Area of Science:
- Plant pathology
- Molecular biology
- Genetics
Background:
- Pepper mottle virus (PepMoV) is a major pathogen affecting solanaceous plants like pepper, potato, and tomato.
- PepMoV isolates exhibit varying symptoms, suggesting a link between genetic variation and disease development.
- Understanding PepMoV-host interactions is crucial for developing resistant crop varieties.
Purpose of the Study:
- To review the molecular characteristics of PepMoV.
- To summarize host-pathogen interactions.
- To identify resistance genes and understand their molecular mechanisms.
Main Methods:
- Comparative analysis of PepMoV isolates and their symptoms.
- Characterization of resistance genes (pvr/Pvr) in pepper.
- Review of existing literature on molecular interactions.
Main Results:
- Several recessive (pvr) and dominant (Pvr) resistance genes in pepper against PepMoV have been identified.
- Genetic variation in PepMoV isolates may correlate with symptom severity.
- The molecular mechanisms of resistance gene interaction with PepMoV remain largely unelucidated.
Conclusions:
- Further research using reverse genetics and transcriptomics is needed to understand PepMoV-host molecular interactions.
- Elucidating these mechanisms will aid in breeding durable resistance in crops.
- Continued investigation into PepMoV genetics and host responses is essential for disease management.
