ArticleJournal of integrative plant biology2025
An integrative framework reveals widespread gene flow during the early radiation of oaks and relatives in Quercoideae (Fagaceae).
Article in Journal of integrative plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed.
- Phylogenomic conflict inPlant diversity · 2026Article
- Phylogenomic conflict in Moraceae: Evidence for pervasive introgression and incomplete lineage sorting.Plant diversity · 2026Article
- Integrative utilization of genomic resources for improved phylogenetic resolution in Sonerileae (Melastomataceae).American journal of botany · 2026Article
- Evolutionary Origin of Prolonged Delayed Fertilization in the Fagaceae.Ecology and evolution · 2026Article
- Chromosome-Level Genome Assembly and Comparative Genomic Analysis ofPlants (Basel, Switzerland) · 2026Article
- Spatiotemporal genomic patterns ofForestry research · 2026Article
- High species discrimination inPlant diversity · 2025Article
- Genome duplications, genomic conflict, and rapid phenotypic evolution characterize the Cretaceous radiation of Fagales.Journal of integrative plant biology · 2025Article
- Teasing apart the sources of phylogenetic tree discordance across three genomes in the oak family (Fagaceae).BMC plant biology · 2025Article
- Homoploid hybridization adds clarity to the origins of octoploid strawberries.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Characterization of DnaJ gene family in Castanea mollissima and functional analysis of CmDnaJ27 under cold and heat stresses.BMC plant biology · 2025Article
- Article
- A seasonal strategy for pollen tube growth and ovule development to overcome winter in Japanese stone oak (Lithocarpus edulis).Scientific reports · 2025Article
- An integrative framework reveals widespread gene flow during the early radiation of oaks and relatives in Quercoideae (Fagaceae).Journal of integrative plant biology · 2025Article
- Plastome characterization and its phylogenetic implications on Lithocarpus (Fagaceae).BMC plant biology · 2024Article
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Abstract
Although the frequency of ancient hybridization across the Tree of Life is greater than previously thought, little work has been devoted to uncovering the extent, timeline, and geographic and ecological context of ancient hybridization. Using an expansive new dataset of nuclear and chloroplast DNA sequences, we conducted a multifaceted phylogenomic investigation to identify ancient reticulation in the early evolution of oaks (Quercus). We document extensive nuclear gene tree and cytonuclear discordance among major lineages of Quercus and relatives in Quercoideae. Our analyses recovered clear signatures of gene flow against a backdrop of rampant incomplete lineage sorting, with gene flow most prevalent among major lineages of Quercus and relatives in Quercoideae during their initial radiation, dated to the Early-Middle Eocene. Ancestral reconstructions including fossils suggest ancestors of Castanea + Castanopsis, Lithocarpus, and the Old World oak clade probably co-occurred in North America and Eurasia, while the ancestors of Chrysolepis, Notholithocarpus, and the New World oak clade co-occurred in North America, offering ample opportunity for hybridization in each region. Our study shows that hybridization-perhaps in the form of ancient syngameons like those seen today-has been a common and important process throughout the evolutionary history of oaks and their relatives. Concomitantly, this study provides a methodological framework for detecting ancient hybridization in other groups.
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