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Author (up) Maklakov, A.A.; Arnqvist, G. url  doi
openurl 
  Title Testing for direct and indirect effects of mate choice by manipulating female choosiness Type Journal Article
  Year 2009 Publication Current Biology : CB Abbreviated Journal Curr Biol  
  Volume 19 Issue 22 Pages 1903-1906  
  Keywords Animals; Beetles/*physiology; *Choice Behavior; Female; Male; *Sexual Behavior, Animal  
  Abstract Despite a massive research effort, our understanding of the evolution of female mate choice remains incomplete [1, 2]. A central problem is that the predominating empirical research tradition has focused on male traits, yet the key question is whether female choice traits are maintained because of direct effects on female fitness or because of indirect genetic effects in offspring that may be associated with such traits. Here, we address this question by using a novel research strategy that employs experimental phenotypic manipulation of a female choice trait in an insect model system, the seed beetle Callosobruchus chinensis (Coleoptera: Bruchidae). We show that females with increased efficiency of choice enjoy strongly elevated fitness compared to females with reduced choice efficiency. In contrast, we found no effects of female choice efficiency on offspring fitness. Our results show that female choice is maintained by direct selection in females in this system, whereas indirect selection is relatively weak at most. We suggest that phenotypic engineering of female choice traits can greatly advance our ability to elucidate the relative importance of direct and indirect selection for the maintenance of female choice.  
  Address Department of Ecology and Evolution, Evolutionary Biology Centre, Uppsala University, Sweden. alexei.maklakov@ebc.uu.se  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0960-9822 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:19853448 Approved no  
  Call Number GSU @ wsaid @ Serial 96  
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