ArticleMolecular biology and evolution2015
Selection on meiosis genes in diploid and tetraploid Arabidopsis arenosa.
Article in Molecular biology and evolution, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
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49 citing papers in PubMed, 80 citations in OpenAlex.
- What has population genomics told us about the dynamics of selection and plant adaptation?Molecular biology and evolution · 2026Review
- Chromosomal collinearity drives meiotic instability in Brassica autoallopolyploid.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Strong Signatures of Selection on Candidate Genes Underlying Core Speciation Mechanisms in Desert Tortoises.Molecular ecology resources · 2025Article
- Impacts of temperature on recombination rate and meiotic success in thermotolerant and cold-tolerant yeast species.Heredity · 2025Article
- Multiple Autopolyploid Arabidopsis lyrata Populations Stabilized by Long-Range Adaptive Introgression Across Eurasia.Molecular biology and evolution · 2025Article
- Improved synapsis dynamics accompany meiotic stability inProceedings of the National Academy of Sciences of the United States of America · 2025Article
- Learning to tango with four (or more): the molecular basis of adaptation to polyploid meiosis.Plant reproduction · 2023Review
- Why do plants need the ZMM crossover pathway? A snapshot of meiotic recombination from the perspective of interhomolog polymorphism.Plant reproduction · 2023Article
- Comparative cytological and transcriptome analyses ofFrontiers in plant science · 2023Article
- Meiotic chromosome organization and its role in recombination and cancer.Current topics in developmental biology · 2023Review
- An uncharacterized protein NY1 targets EAT1 to regulate anther tapetum development in polyploid rice.BMC plant biology · 2022Article
- Article
- Meiosis in allopolyploid Arabidopsis suecica.The Plant journal : for cell and molecular biology · 2022Article
- The meiotic cohesin subunit REC8 contributes to multigenic adaptive evolution of autopolyploid meiosis in Arabidopsis arenosa.PLoS genetics · 2022Article
- Recombination landscape divergence between populations is marked by larger low-recombining regions in domesticated rye.Molecular biology and evolution · 2022Article
- Article
- The quiet evolutionary response to cellular challenges.American journal of botany · 2022Article
- All Ways Lead to Rome-Meiotic Stabilization Can Take Many Routes in Nascent Polyploid Plants.Genes · 2022Review
- Genomic and Meiotic Changes Accompanying Polyploidization.Plants (Basel, Switzerland) · 2022Review
- Does polyploidy inhibit sex chromosome evolution in angiosperms?Frontiers in plant science · 2022Review
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
Meiotic chromosome segregation is critical for fertility across eukaryotes, and core meiotic processes are well conserved even between kingdoms. Nevertheless, recent work in animals has shown that at least some meiosis genes are highly diverse or strongly differentiated among populations. What drives this remains largely unknown. We previously showed that autotetraploid Arabidopsis arenosa evolved stable meiosis, likely through reduced crossover rates, and that associated with this there is strong evidence for selection in a subset of meiosis genes known to affect axis formation, synapsis, and crossover frequency. Here, we use genome-wide data to study the molecular evolution of 70 meiosis genes in a much wider sample of A. arenosa. We sample the polyploid lineage, a diploid lineage from the Carpathian Mountains, and a more distantly related diploid lineage from the adjacent, but biogeographically distinct Pannonian Basin. We find that not only did selection act on meiosis genes in the polyploid lineage but also independently on a smaller subset of meiosis genes in Pannonian diploids. Functionally related genes are targeted by selection in these distinct contexts, and in two cases, independent sweeps occurred in the same loci. The tetraploid lineage has sustained selection on more genes, has more amino acid changes in each, and these more often affect conserved or potentially functional sites. We hypothesize that Pannonian diploid and tetraploid A. arenosa experienced selection on structural proteins that mediate sister chromatid cohesion, the formation of meiotic chromosome axes, and synapsis, likely for different underlying reasons.
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