Profiling infection responses in the haemocytes of the mosquito, Aedes aegypti

L. C. Bartholomay, G. F. Mayhew, J. F. Fuchs, T. A. Rocheleau, S. M. Erickson, M. T. Aliota, B. M. Christensen

Research output: Contribution to journalArticle

30 Scopus citations

Abstract

Pathogens that infect and/or are transmitted by mosquitoes typically are exposed to the body cavity, and to haemocytes circulating therein, during development or dissemination. Aedes aegypti haemocytes produce a range of immune response-related gene products, and an endpoint response of phagocytosis and/or melanization that is temporally and structurally distinct for the invading pathogen. Expressed sequence tags were generated from haemocyte libraries and then used to design oligonucleotide microarrays. Arrays were screened with haemocyte material collected 1-, 8- and 24-h post-inoculation with Escherichia coli or Micrococcus luteus bacteria. Data from these studies support the discovery of novel immune response-activated genes, provide an expanded understanding of antimicrobial peptide biology and highlight the coordination of immune factors that leads to an endpoint response.

Original languageEnglish (US)
Pages (from-to)761-776
Number of pages16
JournalInsect molecular biology
Volume16
Issue number6
DOIs
StatePublished - Dec 2007

Keywords

  • Haemocyte
  • Melanization
  • Microarray
  • Mosquito
  • Phagocytosis

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    Bartholomay, L. C., Mayhew, G. F., Fuchs, J. F., Rocheleau, T. A., Erickson, S. M., Aliota, M. T., & Christensen, B. M. (2007). Profiling infection responses in the haemocytes of the mosquito, Aedes aegypti. Insect molecular biology, 16(6), 761-776. https://doi.org/10.1111/j.1365-2583.2007.00773.x