Interactive effects of sex, social environment, dietary restriction, and methionine on survival and reproduction in fruit flies.

ABSTRACT: For the evolution of life histories, the trade-off between survival and reproduction is fundamental. Because sexes optimize fitness in different ways, this trade-off is expected to be resolved differently by males and females. Consequently, the sexes are predicted to respond differently to changes in resource availability. In fruit flies, research on dietary restriction has focused largely on females maintained in the absence of males, thereby neglecting sexual interactions that affect reproductive behavior of both sexes under more natural conditions. Here, we tested for the interactive effects of diet (40, 60, 100, and 300 % of standard yeast concentrations) and social environment (separate-sex vs. mixed-sex groups) on male and female Drosophila melanogaster life histories. Additionally,

SUBMITTER: Zajitschek F 

PROVIDER: S-EPMC3705097 | biostudies-literature | 2013 Aug

REPOSITORIES: biostudies-literature