Molecular and cellular mechanisms underlying potyvirus infection
K I Ivanov1, K Eskelin1, A Lõhmus1
1Department of Food and Environmental Sciences, PO Box 56, 00014 University of Helsinki, Finland.
The Journal of General Virology
|April 12, 2014
Summary
Potyviruses (plant viruses) suppress host defenses and manipulate cellular organelles for efficient infection. This review explores how potyviral proteins interact with host factors to achieve viral replication and spread.
Area of Science:
- Plant virology
- Molecular biology
- Cell biology
Background:
- Potyviruses are a major group of plant pathogens causing significant economic losses worldwide.
- Understanding potyvirus pathogenicity requires knowledge of host-pathogen interactions at the molecular and cellular levels.
Purpose of the Study:
- To review the multifunctional roles of potyviral proteins in host-pathogen interactions.
- To highlight mechanisms of host defense suppression and cellular organelle manipulation by potyviruses.
- To elucidate how these viral strategies establish productive infections.
Main Methods:
- Literature review of recent research on potyvirus-host interactions.
- Analysis of molecular and cellular mechanisms underlying potyvirus pathogenicity.
- Focus on the roles of viral proteins and host factors.
Main Results:
- Potyviral proteins possess diverse functions crucial for infection.
- Viruses actively suppress host immune responses.
- Potyviruses extensively remodel host cell organelles to facilitate viral lifecycle.
Conclusions:
- Potyviral proteins are key effectors in subverting host defenses and cellular functions.
- Understanding organelle manipulation provides insights into efficient viral replication and spread.
- Further research into these mechanisms can inform strategies for disease control.
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