The four serotypes of dengue recognize the same putative receptors in Aedes aegypti midgut and Ae. albopictus cells
2006

Dengue Virus Receptors in Mosquitoes

publication Evidence: high

Author Information

Author(s): Ricardo F Mercado-Curiel, Héctor Armando Esquinca-Avilés, Rosalinda Tovar, Álvaro Díaz-Badillo, Minerva Camacho-Nuez, María de Lourdes Muñoz

Primary Institution: Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional

Hypothesis

The study aims to identify the receptors for dengue virus in the midgut cells of Aedes aegypti and Ae. albopictus.

Conclusion

The proteins R67 and R80 are likely receptors for all four serotypes of dengue virus in the midgut cells of Aedes aegypti and Ae. albopictus.

Supporting Evidence

  • The study identified two proteins, R67 and R80, that bind to all four dengue virus serotypes.
  • Specific antibodies against R67 and R80 inhibited dengue virus binding and infection in cultured cells.
  • The presence of these receptors is critical for understanding how dengue viruses infect mosquito cells.

Takeaway

Dengue viruses need specific proteins to attach to mosquito cells to cause infection, and this study found two important proteins that help the virus stick.

Methodology

The study used virus overlay protein binding assays and affinity chromatography to identify and purify the putative receptors from mosquito midgut cells.

Digital Object Identifier (DOI)

10.1186/1471-2180-6-85

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