A real-time TaqMan polymerase chain reaction for the identification of Culex vectors of West Nile and Saint Louis encephalitis viruses in North America

Yibayiri O. Sanogo, Chang Hyun Kim, Richard Lampman, Robert J. Novak

Research output: Contribution to journalArticle

Abstract

In North America, West Nile and St. Louis encephalitis viruses have been detected in a wide range of vector species, but the majority of isolations continue to be from pools of mixed mosquitoes in the Culex subgenus Culex. Unfortunately, the morphologic identification of these important disease vectors is often difficult, particularly in regions of sympatry. We developed a sensitive real-time TaqMan polymerase chain reaction assay that allows reliable identification of Culex mosquitoes including Culex pipiens pipiens, Cx. p. quinquefasciatus, Cx. restuans, Cx. salinarius, Cx. nigripalpus, and Cx. tarsalis. Primers and fluorogenic probes specific to each species were designed based on sequences of the acetylcholinesterase gene (Ace2). Both immature and adult mosquitoes were successfully identified as individuals and as mixed species pools. This identification technique provides the basis for a rapid, sensitive, and high-throughput method for expounding the species-specific contribution of vectors to various phases of arbovirus transmission.

Original languageEnglish (US)
Pages (from-to)58-66
Number of pages9
JournalAmerican Journal of Tropical Medicine and Hygiene
Volume77
Issue number1
StatePublished - Jul 1 2007

Fingerprint

St. Louis Encephalitis Viruses
Culex
North America
Real-Time Polymerase Chain Reaction
Culicidae
Sympatry
Arboviruses
Disease Vectors
Acetylcholinesterase
Genes

ASJC Scopus subject areas

  • Parasitology
  • Virology
  • Infectious Diseases

Cite this

A real-time TaqMan polymerase chain reaction for the identification of Culex vectors of West Nile and Saint Louis encephalitis viruses in North America. / Sanogo, Yibayiri O.; Kim, Chang Hyun; Lampman, Richard; Novak, Robert J.

In: American Journal of Tropical Medicine and Hygiene, Vol. 77, No. 1, 01.07.2007, p. 58-66.

Research output: Contribution to journalArticle

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