ArticleProceedings. Biological sciences2019
Sexual antagonism drives the displacement of polymorphism across gene regulatory cascades.
Article in Proceedings. Biological sciences, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- The maintenance of genetic polymorphism underlying sexually antagonistic traits.Evolution letters · 2025Article
- Secondary reversion to sexual monomorphism associated with tissue-specific loss of doublesex expression.Evolution; international journal of organic evolution · 2022Article
- Genome-wide interaction analysis identified low-frequency variants with sex disparity in lung cancer risk.Human molecular genetics · 2022Article
- Is the X chromosome a hot spot for sexually antagonistic polymorphisms? Biases in current empirical tests of classical theory.Proceedings. Biological sciences · 2020Article
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3 authors.
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Abstract
Males and females have different reproductive roles and are often subject to contrasting selection pressures. This sexual antagonism can lead, at a given locus, to different alleles being favoured in each sex and, consequently, to genetic variation being maintained in a population. Although the presence of sexually antagonistic (SA) polymorphisms has been documented across a range of species, their evolutionary dynamics remain poorly understood. Here, we study SA selection on gene expression, which is fundamental to sexual dimorphism, via the evolution of regulatory binding sites. We show that for sites longer than 1 nucleotide, expression polymorphism is maintained only when intermediate expression levels are deleterious to both sexes. We then show that, in a regulatory cascade, expression polymorphism tends to become displaced over evolutionary time from the target of SA selection to upstream regulators. Our results have consequences for understanding the evolution of sexual dimorphism, and provide specific empirical predictions for the regulatory architecture of genes under SA selection.
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