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Luteovirus-aphid interactions
Stewart Gray1, Frederick E Gildow
1USDA, ARS, Department of Plant Pathology, Cornell University, Ithaca, New York 14853, USA. Smg3@Cornell.edu
Annual Review of Phytopathology
|May 6, 2003
Summary
Luteoviridae viruses are transmitted by aphids through specific gut and salivary tissue interactions. Viral proteins regulate this complex, species-specific circulative, nonpropagative transmission process.
Area of Science:
- Plant virology
- Entomology
- Molecular biology
Background:
- Luteoviridae viruses exhibit circulative, nonpropagative aphid transmission.
- This transmission requires passage through aphid gut and salivary tissues.
- The process is specific to certain aphid species.
Purpose of the Study:
- To review the mechanisms of Luteoviridae transmission by aphids.
- To highlight the roles of viral proteins in this interaction.
- To discuss the genetic, cellular, and molecular regulation of virus-aphid interactions.
Main Methods:
- Review of existing literature on Luteoviridae-aphid interactions.
- Analysis of the known roles of viral structural proteins in transmission.
- Examination of cellular processes like endocytosis and exocytosis.
Main Results:
- Aphid transmission involves virus acquisition via gut tissue and exit through salivary glands.
- Specific recognition between virus and aphid tissues is crucial.
- Viral proteins and their domains are key regulators of movement and survival.
Conclusions:
- Understanding Luteoviridae transmission requires knowledge of virus-aphid molecular interactions.
- Viral structural proteins are central to regulating transmission specificity and efficiency.
- Further research into genetic, cellular, and molecular mechanisms is needed.