Mating-induced recombination in fruit flies

Nicholas Priest, Deborah A Roach, Laura F Galloway

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

In traditional deterministic models the conditions for the evolution of sex and sexual behavior are limited because their benefits are context dependent. In novel and adverse environments both multiple mating and recombination can help generate gene combinations that allow for rapid adaptation. Mating frequency often increases in conditions in which recombination might be beneficial; therefore, increased sexual behavior might evolve to act as a cue that stimulates recombination. We conducted two experiments in the fruit fly, Drosophila melanogaster, using linked phenotypic markers to determine how recent bouts of additional mating affect female recombination rate. The first experiment examined the effect of additional mating, mating history, and age on female recombination rate. The second experiment assessed the effect of recent mating events on recombination rate. Together, the experiments suggest that each additional bout of mating temporarily increases female recombination rate. These findings imply that the conditions favoring the evolution of sexual reproduction and multiple mating behaviors are broader than currently appreciated.
Original languageEnglish
Pages (from-to)160-167
Number of pages8
JournalEvolution
Volume61
Issue number1
DOIs
Publication statusPublished - 2007

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fruit flies
Diptera
Genetic Recombination
recombination
Fruit
fruit
sexual behavior
mating frequency
Sexual Behavior
multiple mating
mating behavior
sexual reproduction
Drosophila melanogaster
experiment
history
gender
genes
Cues
Reproduction
History

Keywords

  • Sexual selection
  • Recombination
  • Drosophila melanogaster
  • Cost of mating
  • Multiple mating
  • Parental effects
  • Cost of sex

Cite this

Mating-induced recombination in fruit flies. / Priest, Nicholas; Roach, Deborah A; Galloway, Laura F.

In: Evolution, Vol. 61, No. 1, 2007, p. 160-167.

Research output: Contribution to journalArticle

Priest, Nicholas ; Roach, Deborah A ; Galloway, Laura F. / Mating-induced recombination in fruit flies. In: Evolution. 2007 ; Vol. 61, No. 1. pp. 160-167.
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