ReviewCold Spring Harbor perspectives in biology2023
Quantitative Analyses of Coupling in Hybrid Zones.
Review in Cold Spring Harbor perspectives in biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Estimation of genome-wide coupling in rattlesnake hybrids provides insight into the process of speciation and its progress.Nature communications · 2025Article
- Repeatable Selection on Large Ancestry Blocks in an Avian Hybrid Zone.Molecular biology and evolution · 2025Article
- A Next Generation of Hierarchical Bayesian Analyses of Hybrid Zones Enables Model-Based Quantification of Variation in Introgression in R.Ecology and evolution · 2024Article
- Coupling of Barriers to Gene Exchange: Causes and Consequences.Cold Spring Harbor perspectives in biology · 2024Review
- Coupling of twelve putative chromosomal inversions maintains a strong barrier to gene flow between snail ecotypes.Evolution letters · 2024Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In hybrid zones, whether barrier loci experience selection mostly independently or as a unit depends on the ratio of selection to recombination as captured by the coupling coefficient. Theory predicts a sharper transition between an uncoupled and coupled system when more loci affect hybrid fitness. However, the extent of coupling in hybrid zones has rarely been quantified. Here, we use simulations to characterize the relationship between the coupling coefficient and variance in clines across genetic loci. We then reanalyze 25 hybrid zone data sets and find that cline variances and estimated coupling coefficients form a smooth continuum from high variance and weak coupling to low variance and strong coupling. Our results are consistent with low rates of hybridization and a strong genome-wide barrier to gene flow when the coupling coefficient is much greater than 1, but also suggest that this boundary might be approached gradually and at a near constant rate over time.
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Registered trials
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