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Symbiotic Interactions Between Mosquitoes and Mosquito Viruses
Mine Altinli1,2,3, Esther Schnettler1,2,4, Mathieu Sicard3
1Molecular Entomology, Bernhard-Nocht-Institute for Tropical Medicine, Hamburg, Germany.
Frontiers in Cellular and Infection Microbiology
|September 16, 2021
Summary
Mosquito viruses, including insect-specific viruses, are abundant and diverse. Viewing them as endosymbionts reveals novel research avenues into their complex host interactions and ecological roles.
Area of Science:
- Virology
- Ecology
- Entomology
Background:
- Mosquitoes transmit arboviruses, but also host insect-specific viruses (ISVs).
- Advances in viral metagenomics reveal a vast diversity of mosquito viruses previously undetected.
- Research historically focused on pathogenic viruses, neglecting asymptomatic ISVs.
Purpose of the Study:
- To review symbiotic interactions of mosquito viruses.
- To explore novel research areas by considering mosquito viruses as endosymbionts.
- To highlight knowledge gaps in mosquito virus ecology and host interactions.
Main Methods:
- Literature review of mosquito virus research.
- Analysis of viral metagenomics data.
- Ecological and evolutionary perspectives on virus-host interactions.
Main Results:
- Mosquito viruses exhibit diverse interactions, ranging from beneficial to antagonistic.
- ISVs play significant roles in mosquito ecology and potentially influence arbovirus transmission.
- Long-term host-virus associations, transmission routes, and virulence evolution remain underexplored.
Conclusions:
- Viewing mosquito viruses as endosymbionts opens new research frontiers.
- Understanding ISV ecology is crucial for mosquito control and public health.
- Further research is needed on ISV life-cycle integration, host specificity, and immune modulation.
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