ArticleHeredity2015
Genetic architecture and genomic patterns of gene flow between hybridizing species of Picea.
Article in Heredity, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed.
- Cross-ploidy hybridisation in Alpine woodrushes is associated with ecological additivity and scale-dependent niche divergence.The New phytologist · 2026Article
- Large-scale SSR fingerprinting resolves taxonomic distinction betweenFrontiers in plant science · 2026Article
- Species integrity and ploidy stability despite extensive gene flow via introgressive hybridization: the case of Betula species in Iceland.BMC plant biology · 2025Article
- Geographical and genetic clines in Dracocephalum kotschyi X Dracocephalum oligadenium hybrids: landscape genetics and genocline analyses.BMC plant biology · 2024Article
- Experimental evolution of hybrid populations to identify Dobzhansky-Muller incompatibility loci.Ecology and evolution · 2024Article
- Mapping restricted introgression across the genomes of admixed indigenous African cattle breeds.Genetics, selection, evolution : GSE · 2023Article
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- Article
- Genomics Reveal Admixture and Unexpected Patterns of Diversity in a Parapatric Pair of Butterflies.Genes · 2021Article
- Weak coupling among barrier loci and waves of neutral and adaptive introgression across an expanding hybrid zone.Evolution; international journal of organic evolution · 2021Article
- Two new hybrid populations expand the swordtail hybridization model system.Evolution; international journal of organic evolution · 2021Article
- The genomic consequences of hybridization.eLife · 2021Review
- Demographic history shapes genomic ancestry in hybrid zones.Ecology and evolution · 2021Article
- Genetic, morphological and ecological variation across a sharp hybrid zone between two alpine butterfly species.Evolutionary applications · 2020Article
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- Article
- Hybridization Between Yuccas From Baja California: Genomic and Environmental Patterns.Frontiers in plant science · 2020Article
- Purifying selection does not drive signatures of convergent local adaptation of lodgepole pine and interior spruce.BMC evolutionary biology · 2019Article
- Modularity of genes involved in local adaptation to climate despite physical linkage.Genome biology · 2018Article
- Bioinformatically predicted deleterious mutations reveal complementation in the interior spruce hybrid complex.BMC genomics · 2017Article
Corrections and comments
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3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Hybrid zones provide an opportunity to study the effects of selection and gene flow in natural settings. We employed nuclear microsatellites (single sequence repeat (SSR)) and candidate gene single-nucleotide polymorphism markers (SNPs) to characterize the genetic architecture and patterns of interspecific gene flow in the Picea glauca × P. engelmannii hybrid zone across a broad latitudinal (40-60 degrees) and elevational (350-3500 m) range in western North America. Our results revealed a wide and complex hybrid zone with broad ancestry levels and low interspecific heterozygosity, shaped by asymmetric advanced-generation introgression, and low reproductive barriers between parental species. The clinal variation based on geographic variables, lack of concordance in clines among loci and the width of the hybrid zone points towards the maintenance of species integrity through environmental selection. Congruency between geographic and genomic clines suggests that loci with narrow clines are under strong selection, favoring either one parental species (directional selection) or their hybrids (overdominance) as a result of strong associations with climatic variables such as precipitation as snow and mean annual temperature. Cline movement due to past demographic events (evidenced by allelic richness and heterozygosity shifts from the average cline center) may explain the asymmetry in introgression and predominance of P. engelmannii found in this study. These results provide insights into the genetic architecture and fine-scale patterns of admixture, and identify loci that may be involved in reproductive barriers between the species.
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