ArticleNature ecology & evolution2022
Genome-wide analyses of introgression between two sympatric Asian oak species.
Article in Nature ecology & evolution, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.
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45 citing papers in PubMed, 111 citations in OpenAlex.
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- Digitaria genome analyses indicate introgression may drive local adaptation and herbicide resistance.Nature communications · 2026Article
- Evolution and Climate Adaptation in Eurasian Gyrfalcon Populations.Ecology and evolution · 2026Article
- Genomic signatures of rapid local selection and introgression drive adaptive phylogeography in the European river skater.BMC biology · 2026Article
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- Do syngameons exist in tropical trees? Challenges to determine their existence and estimate their frequency.Biology letters · 2025Review
- Mitonuclear Discordance of Beetles Shaped by Incomplete Lineage Sorting and Introgression Under Loose Interaction Mechanism.Molecular biology and evolution · 2025Article
- Uncovering the genetic basis for enhanced mushroom flavor inHorticulture research · 2025Article
- Comparative analysis of the mitogenomes of multiple species of Fagaceae, with special focus on Quercus gilva.BMC plant biology · 2025Article
- Integrative Population Genomics Reveals Niche Differentiation and Gene Flow in Chinese Sclerophyllous Oaks (Plants (Basel, Switzerland) · 2025Article
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- Integrating population genomics and environmental data to predict adaptation to climate change in post-bottleneck Tibetan macaques.Science advances · 2025Article
- Ecological Isolation Maintains the Species Boundaries Between Two SympatricEcology and evolution · 2025Article
- A complex interplay of genetic introgression and local adaptation during the evolutionary history of three closely related spruce species.Plant diversity · 2025Article
- Genomic introgression underlies environmental adaptation in three species of Chinese wingnuts,Plant diversity · 2025Article
- Standing genetic variation and introgression shape the cryptic radiation of Aquilegia in the mountains of Southwest China.Communications biology · 2025Article
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Authors and funding
10 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introgression can be an important source of new alleles for adaption under rapidly changing environments, perhaps even more important than standing variation. Though introgression has been extensively studied in many plants and animals, key questions on the underlying mechanisms of introgression still remain unanswered. In particular, we are yet to determine the genomic distribution of introgressed regions along the genome; whether the extent and patterns of introgression are influenced by ecological factors; and when and how introgression contributes to adaptation. Here, we generated high-quality genomic resources for two sympatric widespread Asian oak species, Quercus acutissima and Q. variabilis, sampled in multiple forests to study introgression between them. We show that introgressed regions are broadly distributed across the genome. Introgression was affected by genetic divergence between pairs of populations and by the similarity of the environments in which they live-populations occupying similar ecological sites tended to share the same introgressed regions. Introgressed genomic footprints of adaptation were preferentially located in regions with suppressed recombination rate. Introgression probably confers adaptation in these oak populations by introducing allelic variation in cis-regulatory elements, in particular through transposable element insertions, thereby altering the regulation of genes related to stress. Our results provide new avenues of research for uncovering mechanisms of adaptation due to hybridization in sympatric species.
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