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Updated: Jun 18, 2026
09:11
Live-cell Measurement of Odorant Receptor Activation Using a Real-time cAMP Assay
Published on: October 2, 2017
Olfaction: mosquito receptor for human-sweat odorant
Elissa A Hallem1, A Nicole Fox, Laurence J Zwiebel
1Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, Connecticut 06520, USA.
Nature
|January 16, 2004
Summary
Female Anopheles mosquitoes detect humans using smell. Researchers identified a specific odorant receptor, AgOr1, in female mosquitoes that responds to human sweat, offering new ways to control malaria vectors.
Area of Science:
- Molecular biology
- Entomology
- Neuroscience
Background:
- Anopheles mosquitoes transmit Plasmodium falciparum malaria, causing significant global health burden.
- Host-seeking behavior in female mosquitoes relies heavily on olfactory cues, but the underlying molecular mechanisms remain largely unknown.
Purpose of the Study:
- To investigate the molecular basis of olfactory recognition in female Anopheles mosquitoes.
- To identify specific odorant receptors involved in detecting human hosts.
Main Methods:
- Characterization of the Anopheles gambiae odorant receptor AgOr1.
- Electrophysiological recordings to assess receptor response to various chemical compounds, including human sweat components.
Main Results:
- The Anopheles gambiae protein AgOr1, exclusively found in females, was identified as a putative odorant receptor.
- AgOr1 demonstrated a specific response to a component present in human sweat.
Conclusions:
- AgOr1 plays a crucial role in the olfactory detection of human hosts by female Anopheles mosquitoes.
- Targeting the AgOr1 receptor with specific compounds could lead to novel strategies for mosquito control, including attractants for traps and repellents.
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