ArticleJournal of evolutionary biology2019
Sexually dimorphic gene expression and transcriptome evolution provide mixed evidence for a fast-Z effect in Heliconius.
Article in Journal of evolutionary biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Faster adaptation but slower divergence of X chromosomes under paternal genome elimination.Nature communications · 2025Article
- Reconciling theories of dominance with the relative rates of adaptive substitution on sex chromosomes and autosomes.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Role-reversed polyandry is associated with faster fast-Z in shorebirds.Proceedings. Biological sciences · 2024Article
- Adaptive introgression of a visual preference gene.Science (New York, N.Y.) · 2024Article
- Slower-X: reduced efficiency of selection in the early stages of X chromosome evolution.Evolution letters · 2023Article
- X chromosomes show relaxed selection and complete somatic dosage compensation across Timema stick insect species.Journal of evolutionary biology · 2022Article
- A large deletion at the cortex locus eliminates butterfly wing patterning.G3 (Bethesda, Md.) · 2022Article
- Support for faster and more adaptive Z chromosome evolution in two divergent lepidopteran lineagesEvolution; international journal of organic evolution · 2022Article
- Synteny-Based Genome Assembly for 16 Species of Heliconius Butterflies, and an Assessment of Structural Variation across the Genus.Genome biology and evolution · 2021Article
- Neural divergence and hybrid disruption between ecologically isolatedProceedings of the National Academy of Sciences of the United States of America · 2021Article
- A novel terpene synthase controls differences in anti-aphrodisiac pheromone production between closely related Heliconius butterflies.PLoS biology · 2021Article
- Visual mate preference evolution during butterfly speciation is linked to neural processing genes.Nature communications · 2020Article
- Absence of a Faster-X Effect in Beetles (G3 (Bethesda, Md.) · 2020Article
- A Study of Faster-Z Evolution in the Great Tit (Parus major).Genome biology and evolution · 2020Article
- Dissecting the Effects of Selection and Mutation on Genetic Diversity in Three Wood White (Leptidea) Butterfly Species.Genome biology and evolution · 2019Article
- Sexually dimorphic gene expression and transcriptome evolution provide mixed evidence for a fast-Z effect in Heliconius.Journal of evolutionary biology · 2019Article
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8 authors.
Funding
Abstract
Sex chromosomes have different evolutionary properties compared to autosomes due to their hemizygous nature. In particular, recessive mutations are more readily exposed to selection, which can lead to faster rates of molecular evolution. Here, we report patterns of gene expression and molecular evolution for a group of butterflies. First, we improve the completeness of the Heliconius melpomene reference annotation, a neotropical butterfly with a ZW sex determination system. Then, we analyse RNA from male and female whole abdomens and sequence female ovary and gut tissue to identify sex- and tissue-specific gene expression profiles in H. melpomene. Using these expression profiles, we compare (a) sequence divergence and polymorphism; (b) the strength of positive and negative selection; and (c) rates of adaptive evolution, for Z and autosomal genes between two species of Heliconius butterflies, H. melpomene and H. erato. We show that the rate of adaptive substitutions is higher for Z than autosomal genes, but contrary to expectation, it is also higher for male-biased than female-biased genes. Additionally, we find no significant increase in the rate of adaptive evolution or purifying selection on genes expressed in ovary tissue, a heterogametic-specific tissue. Our results contribute to a growing body of literature from other ZW systems that also provide mixed evidence for a fast-Z effect where hemizygosity influences the rate of adaptive substitutions.
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