ArticleMolecular biology and evolution2013
Progressive recombination suppression and differentiation in recently evolved neo-sex chromosomes.
Article in Molecular biology and evolution, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 70 papers.
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70 citing papers in PubMed.
- Proteomic Differences Reveal Early Development of Contrasting Energetic Strategies Between Divergent Migratory Ecotypes in Three-Spined Stickleback.Molecular ecology · 2026Article
- HJ Muller and the Relationship Between Sex Chromosome Degeneration and the Evolution of Dosage Compensation.Genome biology and evolution · 2025Review
- Haplotype-resolved genomics identifiesiScience · 2025Article
- Extensive Recombination Suppression and Genetic Degeneration of a Young ZW Sex Chromosome System in Halfbeak Fish.Molecular biology and evolution · 2025Article
- Extreme heterochiasmy and high rates of sex-reversed recombination result in large yet homomorphic sex chromosomes in the Emei moustache toad.Genome research · 2025Article
- Reference genome provide insights into sex determination of silver aworana (Osteoglossum bicirrhosum).BMC biology · 2025Article
- Hierarchical architecture of neo-sex chromosomes and accelerated adaptive evolution in tortricid moths.Genome research · 2025Article
- Orthopteran Neo-Sex Chromosomes Reveal Dynamics of Recombination Suppression and Evolution of Supergenes.Molecular ecology · 2024Article
- Sex Chromosome Evolution: Hallmarks and Question Marks.Molecular biology and evolution · 2024Review
- Improved assembly of the Pungitius pungitius reference genome.G3 (Bethesda, Md.) · 2024Article
- Evolution and expression patterns of the neo-sex chromosomes of the crested ibis.Nature communications · 2024Article
- Genetic insights: mapping sex-specific loci in Siamese cobra (Naja kaouthia) sheds light on the putative sex determining region.Genes & genomics · 2024Article
- Chromosomal conservatism vs chromosomal megaevolution: enigma of karyotypic evolution in Lepidoptera.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2023Article
- Evolutionary History of the Poecilia picta Sex Chromosomes.Genome biology and evolution · 2023Article
- Origin and chromatin remodeling of young X/Y sex chromosomes in catfish with sexual plasticity.National science review · 2023Article
- Comparison of methodological approaches to the study of young sex chromosomes: A case study in Poecilia.Journal of evolutionary biology · 2022Article
- Assessment of phylogenetic approaches to study the timing of recombination cessation on sex chromosomes.Journal of evolutionary biology · 2022Article
- Heterogeneous Evolution of Sex Chromosomes in the Torrent Frog GenusInternational journal of molecular sciences · 2022Article
- Searching for signatures of sexually antagonistic selection on stickleback sex chromosomes.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Article
- Chromosome-Level Genome Assembly Reveals Dynamic Sex Chromosomes in Neotropical Leaf-Litter Geckos (Sphaerodactylidae: Sphaerodactylus).The Journal of heredity · 2022Article
10 more citing papers are in PubMed but not listed here.
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3 authors.
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Abstract
Recombination suppression leads to the structural and functional differentiation of sex chromosomes and is thus a crucial step in the process of sex chromosome evolution. Despite extensive theoretical work, the exact processes and mechanisms of recombination suppression and differentiation are not well understood. In threespine sticklebacks (Gasterosteus aculeatus), a different sex chromosome system has recently evolved by a fusion between the Y chromosome and an autosome in the Japan Sea lineage, which diverged from the ancestor of other lineages approximately 2 Ma. We investigated the evolutionary dynamics and differentiation processes of sex chromosomes based on comparative analyses of these divergent lineages using 63 microsatellite loci. Both chromosome-wide differentiation patterns and phylogenetic inferences with X and Y alleles indicated that the ancestral sex chromosomes were extensively differentiated before the divergence of these lineages. In contrast, genetic differentiation appeared to have proceeded only in a small region of the neo-sex chromosomes. The recombination maps constructed for the Japan Sea lineage indicated that recombination has been suppressed or reduced over a large region spanning the ancestral and neo-sex chromosomes. Chromosomal regions exhibiting genetic differentiation and suppressed or reduced recombination were detected continuously and sequentially in the neo-sex chromosomes, suggesting that differentiation has gradually spread from the fusion point following the extension of recombination suppression. Our study illustrates an ongoing process of sex chromosome differentiation, providing empirical support for the theoretical model postulating that recombination suppression and differentiation proceed in a gradual manner in the very early stage of sex chromosome evolution.
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