Document Detail


The use of the sex pheromone as an evolutionary solution to food source selection in caterpillars.
MedLine Citation:
PMID:  22948829     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Sex pheromones are released by adults of a species to elicit a sexual interaction with the other sex of the same species. Here we report an unexpected effect of a moth sex pheromone on the caterpillars of the same species. We demonstrate that larvae of the cotton leafworm Spodoptera littoralis are attracted by the moth sex pheromone and that this phenomenon is independent of sex determination. In addition, we show that the olfactory sensilla carried by the caterpillar antennae are sensitive to the pheromone and that the caterpillar sensilla express pheromone-binding proteins that are used by adult antennae to bind pheromone components. Finally, we demonstrate that the larvae are preferentially attracted to a food source when it contains the sex pheromone main component. A possible interpretation of these results is that the sex pheromone is used to promote food search in caterpillars, opening potential new routes for insect pest management.
Authors:
Erwan Poivet; Kacem Rharrabe; Christelle Monsempes; Nicolas Glaser; Didier Rochat; Michel Renou; Frédéric Marion-Poll; Emmanuelle Jacquin-Joly
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Nature communications     Volume:  3     ISSN:  2041-1723     ISO Abbreviation:  Nat Commun     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-09-05     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101528555     Medline TA:  Nat Commun     Country:  England    
Other Details:
Languages:  eng     Pagination:  1047     Citation Subset:  IM    
Affiliation:
INRA, UMR 1272 INRA-UPMC Physiologie de l'Insecte: Signalisation et Communication, Route de Saint-Cyr, F-78026 Versailles Cedex, France.
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