ArticleGenome biology2017
Multiple gene movements into and out of haploid sex chromosomes.
Article in Genome biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed.
- Two Australian genome assemblies expand the genomic blueprint of giant kelp.BMC genomics · 2026Article
- Splicing deficiency is driven by genomic erosion in non-recombining algal mating-type chromosomes.PLoS biology · 2026Article
- Evolution of a distinct chromatin regulatory landscape in brown algae.Nature ecology & evolution · 2026Article
- Article
- Drivers of achiasmatic meiosis: sexual antagonism versus heteromorphy-dependent aneuploidy across sex-chromosome divergence.G3 (Bethesda, Md.) · 2025Article
- Origin and evolutionary trajectories of brown algal sex chromosomes.Nature ecology & evolution · 2025Article
- Sex chromosome evolution in haploid plants: Microchromosomes, disappearing chromosomes, and giant chromosomes.Proceedings of the National Academy of Sciences of the United States of America · 2025Review
- 3D chromatin maps of a brown alga reveal U/V sex chromosome spatial organization.Nature communications · 2024Article
- Interactions between U and V sex chromosomes during the life cycle of Ectocarpus.Development (Cambridge, England) · 2024Article
- Parallel loss of sexual reproduction in field populations of a brown alga sheds light on the mechanisms underlying the emergence of asexuality.Nature ecology & evolution · 2024Article
- Selection drives convergent gene expression changes during transitions to co-sexuality in haploid sexual systems.Nature ecology & evolution · 2022Article
- Chromatin landscape associated with sexual differentiation in a UV sex determination system.Nucleic acids research · 2022Article
- Identification of the sex-determining factor in the liverwort Marchantia polymorpha reveals unique evolution of sex chromosomes in a haploid system.Current biology : CB · 2021Article
- Switching it up: algal insights into sexual transitions.Plant reproduction · 2021Article
- Differential gene expression patterns during gametophyte development provide insights into sex differentiation in the dioicous kelp Saccharina japonica.BMC plant biology · 2021Article
- Differential Gene Expression between Fungal Mating Types Is Associated with Sequence Degeneration.Genome biology and evolution · 2020Article
- Review
- Single-base methylome profiling of the giant kelp Saccharina japonica reveals significant differences in DNA methylation to microalgae and plants.The New phytologist · 2020Article
- Evolutionary Dynamics of Sex Chromosomes of Paleognathous Birds.Genome biology and evolution · 2019Article
- A key role for sex chromosomes in the regulation of parthenogenesis in the brown alga Ectocarpus.PLoS genetics · 2019Article
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Authors and funding
6 authors.
Funding
Abstract
backgroundLong-term evolution of sex chromosomes is a dynamic process shaped by gene gain and gene loss. Sex chromosome gene traffic has been studied in XY and ZW systems but no detailed analyses have been carried out for haploid phase UV sex chromosomes. Here, we explore sex-specific sequences of seven brown algal species to understand the dynamics of the sex-determining region (SDR) gene content across 100 million years of evolution.
resultsA core set of sex-linked genes is conserved across all the species investigated, but we also identify modifications of both the U and the V SDRs that occurred in a lineage-specific fashion. These modifications involve gene loss, gene gain and relocation of genes from the SDR to autosomes. Evolutionary analyses suggest that the SDR genes are evolving rapidly and that this is due to relaxed purifying selection. Expression analysis indicates that genes that were acquired from the autosomes have been retained in the SDR because they confer a sex-specific role in reproduction. By examining retroposed genes in Saccharina japonica, we demonstrate that UV sex chromosomes have generated a disproportionate number of functional orphan retrogenes compared with autosomes. Movement of genes out of the UV sex chromosome could be a means to compensate for gene loss from the non-recombining region, as has been suggested for Y-derived retrogenes in XY sexual systems.
conclusionThis study provides the first analysis of gene traffic in a haploid UV system and identifies several features of general relevance to the evolution of sex chromosomes.
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