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Nature. 2010 Mar 4;464(7285):66-71. doi: 10.1038/nature08834. Epub 2010 Feb 3.

Odorant reception in the malaria mosquito Anopheles gambiae.

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  • 1Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, Connecticut 06520, USA.

Abstract

The mosquito Anopheles gambiae is the major vector of malaria in sub-Saharan Africa. It locates its human hosts primarily through olfaction, but little is known about the molecular basis of this process. Here we functionally characterize the Anopheles gambiae odorant receptor (AgOr) repertoire. We identify receptors that respond strongly to components of human odour and that may act in the process of human recognition. Some of these receptors are narrowly tuned, and some salient odorants elicit strong responses from only one or a few receptors, suggesting a central role for specific transmission channels in human host-seeking behaviour. This analysis of the Anopheles gambiae receptors permits a comparison with the corresponding Drosophila melanogaster odorant receptor repertoire. We find that odorants are differentially encoded by the two species in ways consistent with their ecological needs. Our analysis of the Anopheles gambiae repertoire identifies receptors that may be useful targets for controlling the transmission of malaria.

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PMID:
20130575
[PubMed - indexed for MEDLINE]
PMCID:
PMC2833235
Free PMC Article

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