A Role for the Insulin Receptor in the Suppression of Dengue Virus and Zika Virus in Wolbachia-Infected Mosquito Cells

Gholamreza Haqshenas, Gerard Terradas, Prasad N. Paradkar, Jean Bernard Duchemin, Elizabeth A. McGraw, Christian Doerig

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Wolbachia-infected mosquitoes are refractory to super-infection with arthropod-borne pathogens, but the role of host cell signaling proteins in pathogen-blocking mechanisms remains to be elucidated. Here, we use an antibody microarray approach to provide a comprehensive picture of the signaling response of Aedes aegypti-derived cells to Wolbachia. This approach identifies the host cell insulin receptor as being downregulated by the bacterium. Furthermore, siRNA-mediated knockdown and treatment with a small-molecule inhibitor of the insulin receptor kinase concur to assign a crucial role for this enzyme in the replication of dengue and Zika viruses in cultured mosquito cells. Finally, we show that the production of Zika virus in Wolbachia-free live mosquitoes is impaired by treatment with the selective inhibitor mimicking Wolbachia infection. This study identifies Wolbachia-mediated downregulation of insulin receptor kinase activity as a mechanism contributing to the blocking of super-infection by arboviruses.

Original languageEnglish (US)
Pages (from-to)529-535.e3
JournalCell Reports
Volume26
Issue number3
DOIs
StatePublished - Jan 15 2019

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Wolbachia
Dengue Virus
Insulin Receptor
Culicidae
Viruses
Pathogens
Phosphotransferases
Cell signaling
Microarrays
Arbovirus Infections
Down-Regulation
Refractory materials
Small Interfering RNA
Bacteria
Arthropods
Aedes
Infection
Molecules
Antibodies
Enzymes

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Haqshenas, Gholamreza ; Terradas, Gerard ; Paradkar, Prasad N. ; Duchemin, Jean Bernard ; McGraw, Elizabeth A. ; Doerig, Christian. / A Role for the Insulin Receptor in the Suppression of Dengue Virus and Zika Virus in Wolbachia-Infected Mosquito Cells. In: Cell Reports. 2019 ; Vol. 26, No. 3. pp. 529-535.e3.
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A Role for the Insulin Receptor in the Suppression of Dengue Virus and Zika Virus in Wolbachia-Infected Mosquito Cells. / Haqshenas, Gholamreza; Terradas, Gerard; Paradkar, Prasad N.; Duchemin, Jean Bernard; McGraw, Elizabeth A.; Doerig, Christian.

In: Cell Reports, Vol. 26, No. 3, 15.01.2019, p. 529-535.e3.

Research output: Contribution to journalArticle

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