ArticleThe Plant journal : for cell and molecular biology2022
5S-IGS rDNA in wind-pollinated trees (Fagus L.) encapsulates 55 million years of reticulate evolution and hybrid origins of modern species.
Article in The Plant journal : for cell and molecular biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 32 citations in OpenAlex.
- Review
- Hybrid vigor and outbreeding depression after 100 years of replicate introduction of Caucasian beech to European forests.Heredity · 2026Article
- Evolutionary Imprints on the Foliar Elementome: Biogeochemical Niche Differentiation AmongEcology and evolution · 2026Article
- Pruning the Tree: Comparing OTUs and ASVs in High-Throughput Sequencing of 5S-IGS Nuclear Ribosomal DNA in Phylogenetic Studies.Ecology and evolution · 2025Article
- Phylogenomics of East Asian lineage within subgenus Anguinum (Allium, Amaryllidaceae): insights into its taxonomic puzzles and phylogenetic conflicts.BMC plant biology · 2025Article
- Phylogenomic Analyses Reveal Species Relationships and Phylogenetic Incongruence with New Member Detected inPlants (Basel, Switzerland) · 2025Article
- Biodiversity, Phylogeny, and Evolutionary Dynamics of Gall Midges on Japanese Beech Trees.Ecology and evolution · 2025Article
- Quaternary Radiation of Spring Ephemerals.Plant-environment interactions (Hoboken, N.J.) · 2025Article
- Uniparental silencing of 5S rRNA genes in plant allopolyploids - insights from Cardamine (Brassicaceae).The Plant journal : for cell and molecular biology · 2024Article
- Drivers of wood-inhabiting fungal diversity in European and Oriental beech forests.Ecology and evolution · 2024Article
- Analysis of 5S rDNA Genomic Organization Through the RepeatExplorer2 Pipeline: A Simplified Protocol.Methods in molecular biology (Clifton, N.J.) · 2023Article
- Complex Scenarios of Reticulation, Polyploidization, and Species Diversity within Annual Pansies of Subsect.Plants (Basel, Switzerland) · 2022Article
- Metagenomic Analysis Using Phylogenetic Placement-A Review of the First Decade.Frontiers in bioinformatics · 2022Review
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Authors and funding
12 authors at 9 institutions in 6 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Standard models of plant speciation assume strictly dichotomous genealogies in which a species, the ancestor, is replaced by two offspring species. The reality in wind-pollinated trees with long evolutionary histories is more complex: species evolve from other species through isolation when genetic drift exceeds gene flow; lineage mixing can give rise to new species (hybrid taxa such as nothospecies and allopolyploids). The multi-copy, potentially multi-locus 5S rDNA is one of few gene regions conserving signal from dichotomous and reticulate evolutionary processes down to the level of intra-genomic recombination. Therefore, it can provide unique insights into the dynamic speciation processes of lineages that diversified tens of millions of years ago. Here, we provide the first high-throughput sequencing (HTS) of the 5S intergenic spacers (5S-IGS) for a lineage of wind-pollinated subtropical to temperate trees, the Fagus crenata - F. sylvatica s.l. lineage, and its distant relative F. japonica. The observed 4963 unique 5S-IGS variants reflect a complex history of hybrid origins, lineage sorting, mixing via secondary gene flow, and intra-genomic competition between two or more paralogous-homoeologous 5S rDNA lineages. We show that modern species are genetic mosaics and represent a striking case of ongoing reticulate evolution during the past 55 million years.
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