ArticleBMC evolutionary biology2018
Relative costs and benefits of alternative reproductive phenotypes at different temperatures - genotype-by-environment interactions in a sexually selected trait.
Article in BMC evolutionary biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- The Interplay of Biotic and Abiotic Factors in Shaping Genetic Variation atEcology and evolution · 2025Article
- Genomic evidence that a sexually selected trait captures genome-wide variation and facilitates the purging of genetic load.Nature ecology & evolution · 2022Article
- Sexual conflict in a changing environment.Biological reviews of the Cambridge Philosophical Society · 2021Article
- Coevolution of female fidelity and male help in populations with alternative reproductive tactics.Proceedings. Biological sciences · 2021Article
- Linking behaviour to dynamics of populations and communities: application of novel approaches in behavioural ecology to conservation.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2019Article
- The role of genetic diversity in the evolution and maintenance of environmentally-cued, male alternative reproductive tactics.BMC evolutionary biology · 2019Article
- Male-limited secondary sexual trait interacts with environment in determining female fitness.Evolution; international journal of organic evolution · 2018Article
- Environment and mate attractiveness in a wild insect.Behavioral ecology : official journal of the International Society for Behavioral EcologyArticle
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Authors and funding
4 authors.
Funding
Abstract
backgroundThe maintenance of considerable genetic variation in sexually selected traits (SSTs) is puzzling given directional selection expected to act on these traits. A possible explanation is the existence of a genotype-by-environment (GxE) interaction for fitness, by which elaborate SSTs are favored in some environments but selected against in others. In the current study, we look for such interactions for fitness-related traits in the bulb mite, a male-dimorphic species with discontinuous expression of a heritable SST in the form of enlarged legs that are used as weapons.
resultsWe show that evolution at 18 °C resulted in populations with a higher prevalence of this SST compared to evolution at 24 °C. We further demonstrate that temperature modified male reproductive success in a way that was consistent with these changes. There was a genotype-by-environment interaction for reproductive success - at 18 °C the relative reproductive success of armored males competing with unarmored ones was higher than at the moderate temperature of 24 °C. However, male morph did not have interactive effects with temperature with respect to other life history traits (development time and longevity).
conclusionsA male genotype that is associated with the expression of a SST interacted with temperature in determining male reproductive success. This interaction caused an elaborate SST to evolve in different directions (more or less prevalent) depending on the thermal environment. The implication of this finding is that seasonal temperature fluctuations have the potential to maintain male polymorphism within populations. Furthermore, spatial heterogeneity in thermal conditions may cause differences among populations in SST selection. This could potentially cause selection against male immigrants from populations in different environments and thus strengthen barriers to gene flow.
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