ArticleMolecular biology and evolution2021
A General Model to Explain Repeated Turnovers of Sex Determination in the Salicaceae.
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 44 papers, 1 of them a synthesis that pooled it.
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44 citing papers in PubMed, 1 synthesis or guideline pooled it, 96 citations in OpenAlex.
- Plant sex chromosomes defy evolutionary models of expanding recombination suppression and genetic degeneration.Nature plants · 2021Pooled it
- Haplotype-resolved genome assembly of femaleHorticulture research · 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
- GWAS-assisted genomic selection for achieving high-precision early sex prediction in Populus deltoides.The plant genome · 2026Article
- Four near-complete genome assemblies reveal the landscape and evolution of centromeres in Salicaceae.Genome biology · 2025Article
- Advances in the Evolutionary Mechanisms and Genomic Studies of Sexual Differentiation in Lauraceae Plants.International journal of molecular sciences · 2025Review
- The origin, evolution, and translocation of sex chromosomes in Silurus catfish mediated by transposons.BMC biology · 2025Article
- Identification of genes associated with sex expression and sex determination in hemp (Cannabis sativa L.).Journal of experimental botany · 2025Article
- Evidence for a Novel X Chromosome in Termites.Genome biology and evolution · 2024Article
- Sex Chromosome Evolution: Hallmarks and Question Marks.Molecular biology and evolution · 2024Review
- Expression and functional divergence of a type-A response regulator paralog pair formed by dispersed duplication during Populus deltoides evolution.Communications biology · 2024Article
- Sexy ways: approaches to studying plant sex chromosomes.Journal of experimental botany · 2024Review
- Genomic Anatomy of Homozygous XX Females and YY Males Reveals Early Evolutionary Trajectory of Sex-determining Gene and Sex Chromosomes in Silurus Fishes.Molecular biology and evolution · 2024Article
- Sex chromosome turnover plays an important role in the maintenance of barriers to post-speciation introgression in willows.Evolution letters · 2024Article
- Sex chromosome cycle as a mechanism of stable sex determination.Journal of biochemistry · 2024Review
- Why should we study plant sex chromosomes?The Plant cell · 2024Review
- Evolution of a ZW sex chromosome system in willows.Nature communications · 2023Article
- Article
- De Novo Assembly and Annotation of 11 Diverse Shrub Willow (International journal of molecular sciences · 2023Article
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Authors and funding
19 authors at 7 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Dioecy, the presence of separate sexes on distinct individuals, has evolved repeatedly in multiple plant lineages. However, the specific mechanisms by which sex systems evolve and their commonalities among plant species remain poorly understood. With both XY and ZW sex systems, the family Salicaceae provides a system to uncover the evolutionary forces driving sex chromosome turnovers. In this study, we performed a genome-wide association study to characterize sex determination in two Populus species, P. euphratica and P. alba. Our results reveal an XY system of sex determination on chromosome 14 of P. euphratica, and a ZW system on chromosome 19 of P. alba. We further assembled the corresponding sex-determination regions, and found that their sex chromosome turnovers may be driven by the repeated translocations of a Helitron-like transposon. During the translocation, this factor may have captured partial or intact sequences that are orthologous to a type-A cytokinin response regulator gene. Based on results from this and other recently published studies, we hypothesize that this gene may act as a master regulator of sex determination for the entire family. We propose a general model to explain how the XY and ZW sex systems in this family can be determined by the same RR gene. Our study provides new insights into the diversification of incipient sex chromosomes in flowering plants by showing how transposition and rearrangement of a single gene can control sex in both XY and ZW systems.
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