| "Singing on the wing" as a mechanism for species recognition in the malarial mosquito Anopheles gambiae. | |
MedLine Citation:
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PMID: 20045329 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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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:
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C?dric Pennetier; Ben Warren; K Roch Dabir?; Ian J Russell; Gabriella Gibson |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2009-12-31 |
Journal Detail:
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Title: Current biology : CB Volume: 20 ISSN: 1879-0445 ISO Abbreviation: Curr. Biol. Publication Date: 2010 Jan |
Date Detail:
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Created Date: 2010-02-04 Completed Date: 2010-04-29 Revised Date: 2010-05-06 |
Medline Journal Info:
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Nlm Unique ID: 9107782 Medline TA: Curr Biol Country: England |
Other Details:
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Languages: eng Pagination: 131-6 Citation Subset: IM |
Copyright Information:
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Copyright 2010 Elsevier Ltd. All rights reserved. |
Affiliation:
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School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QG, UK. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animal Communication* Animals Anopheles gambiae / physiology* Female Hearing Male Sexual Behavior, Animal* Species Specificity |
| Grant Support | |
ID/Acronym/Agency:
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60098A//Biotechnology and Biological Sciences Research Council |
| Comments/Corrections | |
Erratum In:
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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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