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. 2017 Mar 29;18:60. doi: 10.1186/s13059-017-1190-6

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 6 — Spatio-temporal models of common bean migrations and lineage divergence in America. a Two-waved model of migration mediated by bird migrations. b Diversity extinction in the Southern hemisphere caused by glacial periods. Under both models, migration from the MA to AH region, followed by speciation (1) predates the split of P. vulgaris lineages (2); domestication corresponds to the most recent evolutionary event (3)