ArticleMolecular biology and evolution2021
Linked by Ancestral Bonds: Multiple Whole-Genome Duplications and Reticulate Evolution in a Brassicaceae Tribe.
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 30 papers.
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30 citing papers in PubMed.
- Unravelling Complex Hybrid and Polyploid Evolutionary Relationships Using Phylogenetic Placement of Homologous Gene Copies from Target Enrichment Data.Systematic biology · 2026Article
- The Brassicaceae then and now: advancements in the past three decades, a review.Annals of botany · 2026Review
- Polygenic discrimination of leaf morphotypes in alpine Heldreichia bupleurifolia (Brassicaceae) across its natural range.Annals of botany · 2026Article
- Mesopolyploidy as a taxonomic clade marker for Brassica and relatives (tribe Brassiceae).Annals of botany · 2026Article
- Murbeckiella is dead, long live Oreophyton: origin and systematics of tribe Oreophytoneae (Brassicaceae).Annals of botany · 2026Article
- Mitoplastomic discordance in Brassicaceae phylogenomics confirms the complex evolutionary history of the family.Annals of botany · 2026Article
- Post-polyploid chromosomal diploidization in plants is affected by clade divergence and constrained by shared genomic features.Nature communications · 2026Article
- Centromeric retrotransposons shape chromosomal evolution beyond pericentromeric regions.Mobile DNA · 2026Article
- A Plant-Diversity Dark Spot at the Intersection of Three Biodiversity Hotspots: Environmental Drivers of Brassicaceae Richness in Türkiye.Ecology and evolution · 2026Article
- Article
- Chromosome-specific oligo-painting provides insights into the cytogenetic basis of karyotypic stasis in paleo-allotetraploidHorticulture research · 2025Article
- Reticulate allopolyploidy and subsequent dysploidy drive evolution and diversification in the cotton family.Nature communications · 2025Article
- Ancient allopolyploidy and specific subgenomic evolution drove the radiation of poplars and willows.Nature communications · 2025Article
- Chromosome fusions shaped karyotype evolution and evolutionary relationships in the model family Brassicaceae.Nature communications · 2025Article
- Phylotranscriptomic Analyses Resolve Evolutionary History ofEcology and evolution · 2025Article
- Accurate Inference of the Polyploid Continuum Using Forward-Time Simulations.Molecular biology and evolution · 2024Article
- Cultivated Winter-TypeMolecules (Basel, Switzerland) · 2024Article
- Biased Retention of Environment-Responsive Genes Following Genome Fractionation.Molecular biology and evolution · 2024Article
- Genomics of ecological adaptation in Canary IslandEcology and evolution · 2024Article
- Genomes of Meniocus linifolius and Tetracme quadricornis reveal the ancestral karyotype and genomic features of core Brassicaceae.Plant communications · 2024Article
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6 authors.
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Abstract
Pervasive hybridization and whole-genome duplications (WGDs) influenced genome evolution in several eukaryotic lineages. Although frequent and recurrent hybridizations may result in reticulate phylogenies, the evolutionary events underlying these reticulations, including detailed structure of the ancestral diploid and polyploid genomes, were only rarely reconstructed. Here, we elucidate the complex genomic history of a monophyletic clade from the mustard family (Brassicaceae), showing contentious relationships to the early-diverging clades of this model plant family. Genome evolution in the crucifer tribe Biscutelleae (∼60 species, 5 genera) was dominated by pervasive hybridizations and subsequent genome duplications. Diversification of an ancestral diploid genome into several divergent but crossable genomes was followed by hybridizations between these genomes. Whereas a single genus (Megadenia) remained diploid, the four remaining genera originated by allopolyploidy (Biscutella, Lunaria, Ricotia) or autopolyploidy (Heldreichia). The contentious relationships among the Biscutelleae genera, and between the tribe and other early diverged crucifer lineages, are best explained by close genomic relatedness among the recurrently hybridizing ancestral genomes. By using complementary cytogenomics and phylogenomics approaches, we demonstrate that the origin of a monophyletic plant clade can be more complex than a parsimonious assumption of a single WGD spurring postpolyploid cladogenesis. Instead, recurrent hybridization among the same and/or closely related parental genomes may phylogenetically interlink diploid and polyploid genomes despite the incidence of multiple independent WGDs. Our results provide new insights into evolution of early-diverging Brassicaceae lineages and elucidate challenges in resolving the contentious relationships within and between land plant lineages with pervasive hybridization and WGDs.
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