Document Detail


"Singing on the wing" as a mechanism for species recognition in the malarial mosquito Anopheles gambiae.
MedLine Citation:
PMID:  20045329     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Anopheles gambiae, responsible for the majority of malaria deaths annually, is a complex of seven species and several chromosomal/molecular forms. The complexity of malaria epidemiology and control is due in part to An. gambiae's remarkable genetic plasticity, enabling its adaptation to a range of human-influenced habitats. This leads to rapid ecological speciation when reproductive isolation mechanisms develop [1-6]. Although reproductive isolation is essential for speciation, little is known about how it occurs in sympatric populations of incipient species [2]. We show that in such a population of "M" and "S" molecular forms, a novel mechanism of sexual recognition (male-female flight-tone matching [7-9]) also confers the capability of mate recognition, an essential precursor to assortative mating; frequency matching occurs more consistently in same-form pairs than in mixed-form pairs (p = 0.001). [corrected] Furthermore, the key to frequency matching is "difference tones" produced in the nonlinear vibrations of the antenna by the combined flight tones of a pair of mosquitoes and detected by the Johnston's organ. By altering their wing-beat frequencies to minimize these difference tones, mosquitoes can match flight-tone harmonic frequencies above their auditory range. This is the first description of close-range mating interactions in incipient An. gambiae species.
Authors:
Cédric Pennetier; Ben Warren; K Roch Dabiré; Ian J Russell; Gabriella Gibson
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-12-31
Journal Detail:
Title:  Current biology : CB     Volume:  20     ISSN:  1879-0445     ISO Abbreviation:  Curr. Biol.     Publication Date:  2010 Jan 
Date Detail:
Created Date:  2010-02-04     Completed Date:  2010-04-29     Revised Date:  2014-02-19    
Medline Journal Info:
Nlm Unique ID:  9107782     Medline TA:  Curr Biol     Country:  England    
Other Details:
Languages:  eng     Pagination:  131-6     Citation Subset:  IM    
Copyright Information:
Copyright 2010 Elsevier Ltd. All rights reserved.
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MeSH Terms
Descriptor/Qualifier:
Animal Communication*
Animals
Anopheles gambiae / physiology*
Female
Hearing
Male
Sexual Behavior, Animal*
Species Specificity
Grant Support
ID/Acronym/Agency:
60098A//Biotechnology and Biological Sciences Research Council; G0301057//Medical Research Council; G0801693//Medical Research Council
Comments/Corrections
Erratum In:
Curr Biol. 2010 Feb 9;20(3):278

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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