ArticleMolecular biology and evolution2018
Madeiran Arabidopsis thaliana Reveals Ancient Long-Range Colonization and Clarifies Demography in Eurasia.
Article in Molecular biology and evolution, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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27 citing papers in PubMed.
- Convergent evolution increases boron transport through SNPs and tandem duplications atProceedings of the National Academy of Sciences of the United States of America · 2026Article
- A comparison of 27 Arabidopsis thaliana genomes and the path toward an unbiased characterization of genetic polymorphism.Nature genetics · 2025Article
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- Indian Himalayan Arabidopsis thaliana population reflects deep history and might be the source of species expansion in the eastern edge.BMC plant biology · 2025Article
- Species-wide inventory ofProceedings of the National Academy of Sciences of the United States of America · 2024Article
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- Current status of community resources and priorities for weed genomics research.Genome biology · 2024Review
- The pan-genome and local adaptation of Arabidopsis thaliana.Nature communications · 2023Article
- Transition to Self-compatibility Associated With Dominant S-allele in a Diploid Siberian Progenitor of Allotetraploid Arabidopsis kamchatica Revealed by Arabidopsis lyrata Genomes.Molecular biology and evolution · 2023Article
- Genomic Basis of Adaptation to a Novel Precipitation Regime.Molecular biology and evolution · 2023Article
- Ancestral self-compatibility facilitates the establishment of allopolyploids in Brassicaceae.Plant reproduction · 2023Review
- Population Genetic Considerations Regarding Evidence for Biased Mutation Rates in Arabidopsis thaliana.Molecular biology and evolution · 2023Article
- APOK3, a pollen killer antidote in Arabidopsis thaliana.Genetics · 2022Article
- A two-step adaptive walk rewires nutrient transport in a challenging edaphic environment.Science advances · 2022Article
- Experimental demonstration and pan-structurome prediction of climate-associated riboSNitches in Arabidopsis.Genome biology · 2022Article
- Demography and selection analysis of the incipient adaptive radiation of a Hawaiian woody species.PLoS genetics · 2022Article
- Multiple Sources of Introduction of North American Arabidopsis thaliana from across Eurasia.Molecular biology and evolution · 2021Article
- The Impact of Purifying and Background Selection on the Inference of Population History: Problems and Prospects.Molecular biology and evolution · 2021Article
- A New Catalog of Structural Variants in 1,301 A. thaliana Lines from Africa, Eurasia, and North America Reveals a Signature of Balancing Selection at Defense Response Genes.Molecular biology and evolution · 2021Article
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5 authors.
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Abstract
The study of model organisms on islands may shed light on rare long-range dispersal events, uncover signatures of local evolutionary processes, and inform demographic inference on the mainland. Here, we sequenced the genomes of Arabidopsis thaliana samples from the oceanic island of Madeira. These samples include the most diverged worldwide, likely a result of long isolation on the island. We infer that colonization of Madeira happened between 70 and 85 ka, consistent with a propagule dispersal model (of size ≥10), or with an ecological window of opportunity. This represents a clear example of a natural long-range dispersal event in A. thaliana. Long-term effective population size on the island, rather than the founder effect, had the greatest impact on levels of diversity, and rates of coalescence. Our results uncover a selective sweep signature on the ancestral haplotype of a known translocation in Eurasia, as well as the possible importance of the low phosphorous availability in volcanic soils, and altitude, in shaping early adaptations to the island conditions. Madeiran genomes, sheltered from the complexities of continental demography, help illuminate ancient demographic events in Eurasia. Our data support a model in which two separate lineages of A. thaliana, one originating in Africa and the other from the Caucasus expanded and met in Iberia, resulting in a secondary contact zone there. Although previous studies inferred that the westward expansion of A. thaliana coincided with the spread of human agriculture, our results suggest that it happened much earlier (20-40 ka).
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