ArticleGenetics2009
Multilocus patterns of nucleotide diversity, population structure and linkage disequilibrium in Boechera stricta, a wild relative of Arabidopsis.
Article in Genetics, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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Who cites it
31 citing papers in PubMed.
- Globally Relaxed Selection and Local Adaptation in Boechera stricta.Genome biology and evolution · 2022Article
- Ecological factors influence balancing selection on leaf chemical profiles of a wildflower.Nature ecology & evolution · 2021Article
- Biased Gene Retention in the Face of Introgression Obscures Species Relationships.Genome biology and evolution · 2020Article
- Evolutionary constraint on low elevation range expansion: Defense-abiotic stress-tolerance trade-off in crosses of the ecological modelEcology and evolution · 2019Article
- Ancient polymorphisms contribute to genome-wide variation by long-term balancing selection and divergent sorting in Boechera stricta.Genome biology · 2019Article
- Antagonistic selection and pleiotropy constrain the evolution of plant chemical defenses.Evolution; international journal of organic evolution · 2019Article
- TheFrontiers in plant science · 2019Review
- Admixture, evolution, and variation in reproductive isolation in the Boechera puberula clade.BMC evolutionary biology · 2018Article
- Effect of Drought on Herbivore-Induced Plant Gene Expression: Population Comparison for Range Limit Inferences.Plants (Basel, Switzerland) · 2016Article
- Article
- Epigenetics of drought-induced trans-generational plasticity: consequences for range limit development.AoB PLANTS · 2015Article
- Microgeographic Patterns of Genetic Divergence and Adaptation across Environmental Gradients in Boechera stricta (Brassicaceae).The American naturalist · 2015Article
- Temporal dynamics of linkage disequilibrium in two populations of bighorn sheep.Ecology and evolution · 2015Article
- Nucleotide Sequence Diversity and Linkage Disequilibrium of Four Nuclear Loci in Foxtail Millet (Setaria italica).PloS one · 2015Article
- Strong selection genome-wide enhances fitness trade-offs across environments and episodes of selection.Evolution; international journal of organic evolution · 2014Article
- Review
- Article
- Plant chemical defense allocation constrains evolution of tolerance to community change across a range boundary.Ecology and evolution · 2013Article
- Complex trait divergence contributes to environmental niche differentiation in ecological speciation of Boechera stricta.Molecular ecology · 2013Article
- Genetic trade-offs and conditional neutrality contribute to local adaptation.Molecular ecology · 2013Article
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Authors and funding
7 authors.
Funding
Abstract
Information about polymorphism, population structure, and linkage disequilibrium (LD) is crucial for association studies of complex trait variation. However, most genomewide studies have focused on model systems, with very few analyses of undisturbed natural populations. Here, we sequenced 86 mapped nuclear loci for a sample of 46 genotypes of Boechera stricta and two individuals of B. holboellii, both wild relatives of Arabidopsis. Isolation by distance was significant across the species range of B. stricta, and three geographic groups were identified by structure analysis, principal coordinates analysis, and distance-based phylogeny analyses. The allele frequency spectrum indicated a genomewide deviation from an equilibrium neutral model, with silent nucleotide diversity averaging 0.004. LD decayed rapidly, declining to background levels in approximately 10 kb or less. For tightly linked SNPs separated by <1 kb, LD was dependent on the reference population. LD was lower in the specieswide sample than within populations, suggesting that low levels of LD found in inbreeding species such as B. stricta, Arabidopsis thaliana, and barley may result from broad geographic sampling that spans heterogeneous genetic groups. Finally, analyses also showed that inbreeding B. stricta and A. thaliana have approximately 45% higher recombination per kilobase than outcrossing A. lyrata.
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