Interaction between natural and sexual selection during the evolution of mate recognition

Blows, M. W. (2002) Interaction between natural and sexual selection during the evolution of mate recognition. Proceedings of The Royal Society of London Series B, 269 1496: 1113-1118. doi:10.1098/rspb.2002.2002


Author Blows, M. W.
Title Interaction between natural and sexual selection during the evolution of mate recognition
Journal name Proceedings of The Royal Society of London Series B   Check publisher's open access policy
ISSN 0962-8452
Publication date 2002-01-01
Sub-type Article (original research)
DOI 10.1098/rspb.2002.2002
Volume 269
Issue 1496
Start page 1113
End page 1118
Total pages 6
Place of publication London, England
Publisher Royal Society of London
Language eng
Subject C1
050199 Ecological Applications not elsewhere classified
Abstract The interaction between natural and sexual selection is central to many theories of how mate choice and reproductive isolation evolve, but their joint effect on the evolution of mate recognition has not, to my knowledge, been investigated in an evolutionary experiment. Natural and sexual selection were manipulated in interspecific hybrid populations of Drosophila to determine their effects on the evolution of a mate recognition system comprised of cuticular hydrocarbons (CHCs). The effect of natural selection in isolation indicated that CHCs were costly for males and females to produce. The effect of sexual selection in isolation indicated that females preferred males with a particular CHC composition. However, the interaction between natural and sexual selection had a greater effect on the evolution of the mate recognition system than either process in isolation. When natural and sexual selection were permitted to operate in combination, male CHCs became exaggerated to a greater extent than in the presence of sexual selection alone, and female CHCs evolved against the direction of natural selection. This experiment demonstrated that the interaction between natural and sexual selection is critical in determining the direction and magnitude of the evolutionary response of the mate recognition system.
Keyword Biology
Natural Selection
Sexual Selection
Mate Recognition
Experimental Evolution
Drosophila-melanogaster
Mating Preferences
Speciation
Survival
Choice
Reinforcement
Biosynthesis
Populations
Characters
Pheromone
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Biological Sciences Publications
 
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Created: Wed, 15 Aug 2007, 03:11:35 EST