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Mating system affects population performance and extinction risk under environmental challenge
TLDR
It is demonstrated that populations in which monogamy was enforced suffered a dramatic fitness decline when evolving at an increased temperature, whereas the negative effects of change in a thermal environment were alleviated in polygamous populations.
Complex response in size-related traits of bulb mites (Rhizoglyphus robini) under elevated thermal conditions – an experimental evolution approach
SUMMARY Temperature is a key environmental factor affecting almost all aspects of life history in ectotherms. Theory predicts that they grow faster, reach smaller sizes and produce smaller offspring
No Evidence for Reproductive Isolation through Sexual Conflict in the Bulb Mite Rhizoglyphus robini
TLDR
The results indicate that sexual conflict does not necessarily drive fast reproductive isolation and it may not be a ubiquitous mechanism leading to speciation.
Transcriptomics of Intralocus Sexual Conflict: Gene Expression Patterns in Females Change in Response to Selection on a Male Secondary Sexual Trait in the Bulb Mite
TLDR
A significant proportion of genes differentially expressed between sexually selected male phenotypes showed correlated expression levels in females, likely contributing to elevated IASC in F-lines reported in a previous study.
Relative costs and benefits of alternative reproductive phenotypes at different temperatures – genotype-by-environment interactions in a sexually selected trait
TLDR
A male genotype that is associated with the expression of a SST interacted with temperature in determining male reproductive success, which caused an elaborate SST to evolve in different directions depending on the thermal environment.
Do males pay for sex? Sex‐specific selection coefficients suggest not
TLDR
No support is found for the hypothesis that selection on males in general, and sexual selection in particular, contributes to the evolutionary maintenance of sex.
Larval and adult nutrition effects on reproductive traits in the red flour beetle
TLDR
It is found that juvenile, but not adult diet affected mating performance, with males developing on rich diet as larvae achieving higher mating success, and larval nutrition may influence reproduction via effects on composition, rather than size, of the adult body.
Male‐limited secondary sexual trait interacts with environment in determining female fitness
TLDR
The prevalence of the SST interacted with temperature in determining female fecundity, and a novel environment does not universally depress female fitness more in populations with a high degree of sexually selected dimorphism.
Proximate mechanisms of the differences in reproductive success of males bearing different alleles of Pgdh – a gene involved in a sexual conflict in bulb mite
TLDR
Investigating proximate mechanisms responsible for the increased reproductive success of SS males and finding that the S allele is associated with shorter time until copulation, higher copulation frequency and increased sperm production finds that Pgdh alleles are probably codominant.
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