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Demographic history of European populations of Arabidopsis thaliana
Department of Human Genetics, Center for Computational Medicine and Biology, University of Michigan, Ann Arbor, Michigan, United States of America; The Life Sciences Institute, University of Michigan, Ann Arbor, Michigan, United States of America.
2008 (English)In: PLoS Genetics, ISSN 1553-7390, Vol. 4, no 5, e1000075- p.Article in journal (Refereed) Published
Abstract [en]

The model plant species Arabidopsis thaliana is successful at colonizing land that has recently undergone human-mediated disturbance. To investigate the prehistoric spread of A. thaliana, we applied approximate Bayesian computation and explicit spatial modeling to 76 European accessions sequenced at 876 nuclear loci. We find evidence that a major migration wave occurred from east to west, affecting most of the sampled individuals. The longitudinal gradient appears to result from the plant having spread in Europe from the east ~10,000 years ago, with a rate of westward spread of ~0.9 km/year. This wave-of-advance model is consistent with a natural colonization from an eastern glacial refugium that overwhelmed ancient western lineages. However, the speed and time frame of the model also suggest that the migration of A. thaliana into Europe may have accompanied the spread of agriculture during the Neolithic transition.

Place, publisher, year, edition, pages
2008. Vol. 4, no 5, e1000075- p.
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:uu:diva-106262DOI: 10.1371/journal.pgen.1000075OAI: oai:DiVA.org:uu-106262DiVA: diva2:224345
Available from: 2009-06-17 Created: 2009-06-17 Last updated: 2010-01-07Bibliographically approved

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Publisher's full texthttp://www.plosgenetics.org/article/info:doi/10.1371/journal.pgen.1000075
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