ArticleMolecular biology and evolution2021
Heterogeneous Histories of Recombination Suppression on Stickleback Sex Chromosomes.
Article in Molecular biology and evolution, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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30 citing papers in PubMed, 54 citations in OpenAlex.
- Using gene topologies to partition sex chromosomes into regions with distinct histories.Molecular biology and evolution · 2026Article
- The Role ofInternational journal of molecular sciences · 2026Article
- Evolutionary dynamics of enlarged neo-sex chromosomes and novel pseudoautosomal regions in Sylvioidea songbirds.Communications biology · 2026Article
- Evolution of a ZW sex determination system in sticklebacks.Science advances · 2026Article
- Emergence of genetic sex determination in an environmentally sex-determined animal.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Whole-genome Resequencing Reveals the Sex Determination System and Develops a Sex-specific Marker in Fat Greenling (Hexagrammos otakii).Marine biotechnology (New York, N.Y.) · 2026Article
- A Y-linked duplication of anti-Mullerian hormone is the sex determination gene in threespine stickleback.PLoS genetics · 2025Article
- Strong but diffuse genetic divergence underlies differentiation in an incipient species of marine stickleback.bioRxiv : the preprint server for biology · 2025Article
- Multiple Origins of Sex Chromosomes in Nothobranchius Killifishes.Molecular ecology · 2025Article
- Extensive Recombination Suppression and Genetic Degeneration of a Young ZW Sex Chromosome System in Halfbeak Fish.Molecular biology and evolution · 2025Article
- The fourspine stickleback (Apeltes quadracus) has an XY sex chromosome system with polymorphic inversions on both X and Y chromosomes.PLoS genetics · 2025Article
- The Cause-Effect Model of Master Sex Determination Gene Acquisition and the Evolution of Sex Chromosomes.International journal of molecular sciences · 2025Review
- Evidence for Variation in the Genetic Basis of Sex Determination in Brook Stickleback (Ecology and evolution · 2025Article
- Sex Chromosome Evolution: Hallmarks and Question Marks.Molecular biology and evolution · 2024Review
- Sex chromosome turnover in hybridizing stickleback lineages.Evolution letters · 2024Article
- Positive Selection Drives cis-regulatory Evolution Across the Threespine Stickleback Y Chromosome.Molecular biology and evolution · 2024Article
- Turnover of sex chromosomes in the Lake Tanganyika cichlid tribe Tropheini (Teleostei: Cichlidae).Scientific reports · 2024Article
- Article
- Evolution of a ZW sex chromosome system in willows.Nature communications · 2023Article
- Slower-X: reduced efficiency of selection in the early stages of X chromosome evolution.Evolution letters · 2023Article
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Authors and funding
5 authors at 3 institutions in 3 countries.
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Abstract
How consistent are the evolutionary trajectories of sex chromosomes shortly after they form? Insights into the evolution of recombination, differentiation, and degeneration can be provided by comparing closely related species with homologous sex chromosomes. The sex chromosomes of the threespine stickleback (Gasterosteus aculeatus) and its sister species, the Japan Sea stickleback (G. nipponicus), have been well characterized. Little is known, however, about the sex chromosomes of their congener, the blackspotted stickleback (G. wheatlandi). We used pedigrees to obtain experimentally phased whole genome sequences from blackspotted stickleback X and Y chromosomes. Using multispecies gene trees and analysis of shared duplications, we demonstrate that Chromosome 19 is the ancestral sex chromosome and that its oldest stratum evolved in the common ancestor of the genus. After the blackspotted lineage diverged, its sex chromosomes experienced independent and more extensive recombination suppression, greater X-Y differentiation, and a much higher rate of Y degeneration than the other two species. These patterns may result from a smaller effective population size in the blackspotted stickleback. A recent fusion between the ancestral blackspotted stickleback Y chromosome and Chromosome 12, which produced a neo-X and neo-Y, may have been favored by the very small size of the recombining region on the ancestral sex chromosome. We identify six strata on the ancestral and neo-sex chromosomes where recombination between the X and Y ceased at different times. These results confirm that sex chromosomes can evolve large differences within and between species over short evolutionary timescales.
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