ArticleProceedings of the National Academy of Sciences of the United States of America2017
Evolutionary strata on young mating-type chromosomes despite the lack of sexual antagonism.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 63 papers.
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63 citing papers in PubMed, 120 citations in OpenAlex.
- Distinct genomic architectures but the same gene underlie the convergent evolution of a plant supergene.Science advances · 2026Article
- Chromosome-scale genome assembly and characterization of Saccharomycopsis schoenii, a necrotrophic predatory yeast.G3 (Bethesda, Md.) · 2026Article
- Navigating the Semantic Labyrinth of "Sex" in the Study of Reproductive Trait Evolution.Integrative and comparative biology · 2026Article
- Another dark taxon comes to light:IMA fungus · 2026Article
- The complex evolution and genomic dynamics of mating-type loci in Cryptococcus and Kwoniella.PLoS biology · 2025Article
- EASYstrata: an all-in-one workflow for genome annotation and genomic divergence analysis.NAR genomics and bioinformatics · 2025Article
- Tracing the evolution and genomic dynamics of mating-type loci inbioRxiv : the preprint server for biology · 2025Article
- Ancestral and recent bursts of transposition shaped the massive genomes of plant pathogenic rust fungi.BMC genomics · 2025Article
- Repeated loss of function at HD mating-type genes and of recombination in anther-smut fungi.Nature communications · 2025Article
- Genetic differentiation in the MAT-proximal region is not sufficient for suppressing recombination in Podospora anserina.G3 (Bethesda, Md.) · 2025Article
- An Inversion Polymorphism Under Balancing Selection, Involving Giant Mobile Elements, in an Invasive Fungal Pathogen.Molecular biology and evolution · 2025Article
- Evolution and regulation of animal sex chromosomes.Nature reviews. Genetics · 2025Review
- Whole-genome based phylogeny and comparative genomics of Sporidiobolales and related taxa ofIMA fungus · 2025Article
- Consequences of partially recessive deleterious genetic variation for the evolution of inversions suppressing recombination between sex chromosomes1.Evolution; international journal of organic evolution · 2024Article
- Review
- Genome biology and evolution of mating-type loci in four cereal rust fungi.PLoS genetics · 2024Article
- Social antagonism facilitates supergene expansion in ants.Current biology : CB · 2023Article
- Dynamics of transposable element accumulation in the non-recombining regions of mating-type chromosomes in anther-smut fungi.Nature communications · 2023Article
- Frequent transitions in mating-type locus chromosomal organization inProceedings of the National Academy of Sciences of the United States of America · 2023Article
- Frequent transitions in mating-type locus chromosomal organization inbioRxiv : the preprint server for biology · 2023Article
3 more citing papers are in PubMed but not listed here.
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Authors and funding
11 authors at 3 institutions in 3 countries.
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Abstract
Sex chromosomes can display successive steps of recombination suppression known as "evolutionary strata," which are thought to result from the successive linkage of sexually antagonistic genes to sex-determining genes. However, there is little evidence to support this explanation. Here we investigate whether evolutionary strata can evolve without sexual antagonism using fungi that display suppressed recombination extending beyond loci determining mating compatibility despite lack of male/female roles associated with their mating types. By comparing full-length chromosome assemblies from five anther-smut fungi with or without recombination suppression in their mating-type chromosomes, we inferred the ancestral gene order and derived chromosomal arrangements in this group. This approach shed light on the chromosomal fusion underlying the linkage of mating-type loci in fungi and provided evidence for multiple clearly resolved evolutionary strata over a range of ages (0.9-2.1 million years) in mating-type chromosomes. Several evolutionary strata did not include genes involved in mating-type determination. The existence of strata devoid of mating-type genes, despite the lack of sexual antagonism, calls for a unified theory of sex-related chromosome evolution, incorporating, for example, the influence of partially linked deleterious mutations and the maintenance of neutral rearrangement polymorphism due to balancing selection on sexes and mating types.
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