ArticleMolecular ecology2014
Genome-wide admixture and ecological niche modelling reveal the maintenance of species boundaries despite long history of interspecific gene flow.
Article in Molecular ecology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed.
- Replicated hybrid zones reveal genomic patterns of local adaptation and introgression in spruce.Molecular biology and evolution · 2026Article
- The coordination between root and leaf functional traits across 33 woody plant species shifts between mycorrhizal types.Tree physiology · 2026Article
- Multiple Dataset-Based Insights into the Phylogeny and Phylogeography of the GenusPlants (Basel, Switzerland) · 2025Article
- Article
- Differences in heat tolerance, water use efficiency and growth among Douglas-fir families and varieties evidenced by GWAS and common garden studies.AoB PLANTS · 2023Article
- Article
- Tapping Diversity From the Wild: From Sampling to Implementation.Frontiers in plant science · 2021Review
- Salinity, not genetic incompatibilities, limits the establishment of the invasive hybrid cattailEcology and evolution · 2020Article
- Seascape genomics reveals population isolation in the reef-building honeycomb worm, Sabellaria alveolata (L.).BMC evolutionary biology · 2020Article
- Demographic Inference of Divergence and Gene Exchange BetweenFrontiers in plant science · 2020Article
- Environmental Genome-Wide Association Reveals Climate Adaptation Is Shaped by Subtle to Moderate Allele Frequency Shifts in Loblolly Pine.Genome biology and evolution · 2019Article
- Pervasive admixture between eucalypt species has consequences for conservation and assisted migration.Evolutionary applications · 2019Article
- Growth gains from selective breeding in a spruce hybrid zone do not compromise local adaptation to climate.Evolutionary applications · 2018Article
- Contrasting Rates of Molecular Evolution and Patterns of Selection among Gymnosperms and Flowering Plants.Molecular biology and evolution · 2017Article
- Genotype-environment associations support a mosaic hybrid zone between two tidal marsh birds.Ecology and evolution · 2016Article
- Genetic architecture and genomic patterns of gene flow between hybridizing species of Picea.Heredity · 2015Article
- Hybrid zones: windows on climate change.Trends in ecology & evolution · 2015Review
- Molecular proxies for climate maladaptation in a long-lived tree (Pinus pinaster Aiton, Pinaceae).Genetics · 2015Article
- Biological invasions, climate change and genomics.Evolutionary applications · 2015Review
- Insights into conifer giga-genomes.Plant physiology · 2014Review
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Authors and funding
3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The maintenance of species boundaries despite interspecific gene flow has been a continuous source of interest in evolutionary biology. Many hybridizing species have porous genomes with regions impermeable to introgression, conferring reproductive barriers between species. We used ecological niche modelling to study the glacial and postglacial recolonization patterns between the widely hybridizing spruce species Picea glauca and P. engelmannii in western North America. Genome-wide estimates of admixture based on a panel of 311 candidate gene single nucleotide polymorphisms (SNP) from 290 genes were used to assess levels of admixture and introgression and to identify loci putatively involved in adaptive differences or reproductive barriers between species. Our palaeoclimatic modelling suggests that these two closely related species have a long history of hybridization and introgression, dating to at least 21,000 years ago, yet species integrity is maintained by a combination of strong environmental selection and reduced current interspecific gene flow. Twenty loci showed evidence of divergent selection, including six loci that were both Fst outliers and associated with climatic gradients, and fourteen loci that were either outliers or showed associations with climate. These included genes responsible for carbohydrate metabolism, signal transduction and transcription factors.
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