ArticleNature communications2023
Evolution of a ZW sex chromosome system in willows.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Whole-genome sequencing reveals a possible molecular basis of sex determination in the dioecious wild yam Dioscorea tokoro.PLoS genetics · 2026Article
- Sex chromosome evolution mediated by a large inversion and a possible switch of the sex determination gene.Genome biology · 2026Article
- Recurrent sex chromosome turnover mediated by distinct ARR17 and PISTILLATA duplications in willows.Genome biology · 2026Article
- Development and application of a genotyping by target sequencing single-nucleotide polymorphism array panel in Salix suchowensis.BMC genomics · 2026Article
- Convergent evolution of sex chromosomes in two palm species, Phoenix dactylifera and Kerriodoxa elegans.Annals of botany · 2025Article
- Distinct haplotypes and reversed dominance at a single-gene balanced polymorphism controlling heterodichogamy in two genera of wingnuts.Current biology : CB · 2025Article
- Mechanistic Insights into the Abiotic Stress Adaptation ofCurrent issues in molecular biology · 2025Review
- A haplotype-resolved genome assembly and gene expression map of Cushion willow.Scientific data · 2025Article
- Investigation of sex determination in starry flounder (Zoological research · 2024Article
- Sexy ways: approaches to studying plant sex chromosomes.Journal of experimental botany · 2024Review
- Sex chromosome turnover plays an important role in the maintenance of barriers to post-speciation introgression in willows.Evolution letters · 2024Article
- Distinct ancient structural polymorphisms control heterodichogamy in walnuts and hickories.bioRxiv : the preprint server for biology · 2024Article
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Authors and funding
13 authors.
Funding
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Abstract
Transitions in the heterogamety of sex chromosomes (e.g., XY to ZW or vice versa) fundamentally alter the genetic basis of sex determination, however the details of these changes have been studied in only a few cases. In an XY to ZW transition, the X is likely to give rise to the W because they both carry feminizing genes and the X is expected to harbour less genetic load than the Y. Here, using a new reference genome for Salix exigua, we trace the X, Y, Z, and W sex determination regions during the homologous transition from an XY system to a ZW system in willow (Salix). We show that both the W and the Z arose from the Y chromosome. We find that the new Z chromosome shares multiple homologous putative masculinizing factors with the ancestral Y, whereas the new W lost these masculinizing factors and gained feminizing factors. The origination of both the W and Z from the Y was permitted by an unexpectedly low genetic load on the Y and this indicates that the origins of sex chromosomes during homologous transitions may be more flexible than previously considered.
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