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The Aedes aegypti Toll Pathway Controls Dengue Virus Infection

Open access
Xi, Zhiyong, Ramirez, Jose L., Dimopoulos, George·2008·PLoS Pathogens

Abstract

Aedes aegypti, the mosquito vector of dengue viruses, utilizes its innate immune system to ward off a variety of pathogens, some of which can cause disease in humans. To date, the features of insects' innate immune defenses against viruses have mainly been studied in the fruit fly Drosophila melanogaster, which appears to utilize different immune pathways against different types of viruses, in addition to an RNA interference-based defense system. We have used the recently released whole-genome sequence of the Ae. aegypti mosquito, in combination with high-throughput gene expression and RNA interference (RNAi)-based reverse genetic analyses, to characterize its response to dengue virus infection in different body compartments. We have further addressed the impact of the mosquito's endogenous microbial flora on virus infection. Our findings indicate a significant role for the Toll pathway in regulating resistance to dengue virus, as indicated by an infection-responsive regulation and functional assessment of several Toll pathway-associated genes. We have also shown that the mosquito's natural microbiota play a role in modulating the dengue virus infection, possibly through basal-level stimulation of the Toll immune pathway.

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Metadata

Authors
Xi, Z., Ramirez, J. L., & Dimopoulos, G.
Venue
PLoS Pathogens
Published
2008-07-04
Volume
4
Issue
7
Pages
e1000098
ISSN
  • 1553-7366 (ISSN-L)
  • 1553-7374
OpenAlex
W2030551855
Cited by
930
References
1
FWCI
13.44
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: The Aedes aegypti Toll Pathway Controls Dengue Virus Infection. https://app.cochat.ai/papers/10.1371/journal.ppat.1000098
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Xi, Z., Ramirez, J. L., & Dimopoulos, G. (2008). The Aedes aegypti Toll Pathway Controls Dengue Virus Infection. PLoS Pathogens. https://doi.org/10.1371/journal.ppat.1000098

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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