ArticlePloS one2014
Karyotypic changes through dysploidy persist longer over evolutionary time than polyploid changes.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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Who cites it
33 citing papers in PubMed.
- Impact of temperature on karyotype differences in Cynodon dactylon of different ploidy levels at different latitudes.BMC plant biology · 2026Article
- Genome Architecture and Speciation in Plants and Animals.Molecular ecology · 2025Review
- Bridging micro and macroevolution: insights from chromosomal dynamics in plants.Frontiers in plant science · 2025Review
- The holocentric chromosome microevolution: From phylogeographic patterns to genomic associations with environmental gradients.Molecular ecology · 2024Article
- Founder events and subsequent genetic bottlenecks underlie karyotype evolution in the Ibero-North African endemic Carex helodes.Annals of botany · 2024Article
- Chromosome-Scale Genome Assembly for Clubrush (Bolboschoenus planiculmis) Indicates a Karyotype with High Chromosome Number and Heterogeneous Centromere Distribution.Genome biology and evolution · 2024Article
- The interplay between climatic niche evolution, polyploidy and reproductive traits explains plant speciation in the Mediterranean Basin: a case study inFrontiers in plant science · 2024Article
- Drivers of diversification in Linum (Linaceae) by means of chromosome evolution: correlations with biogeography, breeding system and habit.Annals of botany · 2023Article
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- Using ChromEvol to Determine the Mode of Chromosomal Evolution.Methods in molecular biology (Clifton, N.J.) · 2023Article
- South American Plant Chromosome Numbers Databases: The Information We Have and the Information We Lack on the Most Plant-Diverse Continent.Methods in molecular biology (Clifton, N.J.) · 2023Review
- Mixed-Ploidy and Dysploidy inPlants (Basel, Switzerland) · 2022Article
- Are chromosome number and genome size associated with habit and environmental niche variables? Insights from the Neotropical orchids.Annals of botany · 2022Article
- Tracing the Evolution of the Angiosperm Genome from the Cytogenetic Point of View.Plants (Basel, Switzerland) · 2022Review
- Climatic niche pre-adaptation facilitated island colonization followed by budding speciation in the Madeiran ivy (Frontiers in plant science · 2022Article
- Polyploidy Expands the Range ofFrontiers in plant science · 2021Article
- An integrative monograph ofPeerJ · 2021Article
- Karyotype and genome size variation in white-floweredPhytoKeys · 2021Article
- Article
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11 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Chromosome evolution has been demonstrated to have profound effects on diversification rates and speciation in angiosperms. While polyploidy has predated some major radiations in plants, it has also been related to decreased diversification rates. There has been comparatively little attention to the evolutionary role of gains and losses of single chromosomes, which may or not entail changes in the DNA content (then called aneuploidy or dysploidy, respectively). In this study we investigate the role of chromosome number transitions and of possible associated genome size changes in angiosperm evolution. We model the tempo and mode of chromosome number evolution and its possible correlation with patterns of cladogenesis in 15 angiosperm clades. Inferred polyploid transitions are distributed more frequently towards recent times than single chromosome gains and losses. This is likely because the latter events do not entail changes in DNA content and are probably due to fission or fusion events (dysploidy), as revealed by an analysis of the relationship between genome size and chromosome number. Our results support the general pattern that recently originated polyploids fail to persist, and suggest that dysploidy may have comparatively longer-term persistence than polyploidy. Changes in chromosome number associated with dysploidy were typically observed across the phylogenies based on a chi-square analysis, consistent with these changes being neutral with respect to diversification.
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