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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14413
|2 doi
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|a pubmed24n1350.xml
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|a DE-627
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|e rakwb
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|a eng
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|a Leroy, Thibault
|e verfasserin
|4 aut
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| 245 |
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|a Extensive recent secondary contacts between four European white oak species
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 22.02.2018
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|a Date Revised 27.03.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.
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|a Historical trajectories of tree species during the late Quaternary have been well reconstructed through genetic and palaeobotanical studies. However, many congeneric tree species are interfertile, and the timing and contribution of introgression to species divergence during their evolutionary history remains largely unknown. We quantified past and current gene flow events between four morphologically divergent oak species (Quercus petraea, Q. robur, Q. pyrenaica, Q. pubescens), by two independent inference methods: diffusion approximation to the joint frequency spectrum (∂a∂i) and approximate Bayesian computation (ABC). For each pair of species, alternative scenarios of speciation allowing gene flow over different timescales were evaluated. Analyses of 3524 single nucleotide polymorphisms (SNPs) randomly distributed in the genome, showed that these species evolved in complete isolation for most of their history, but recently came into secondary contact, probably facilitated by the most recent period of postglacial warming. We demonstrated that: there was sufficient genetic differentiation before secondary contact for the accumulation of barriers to gene flow; and current European white oak genomes are a mosaic of genes that have crossed species boundaries and genes impermeable to gene flow
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|a Journal Article
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|a Quercus
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|a interglacial recolonization
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|a reproductive isolation
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|a secondary contact
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|a speciation
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|a Roux, Camille
|e verfasserin
|4 aut
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|a Villate, Laure
|e verfasserin
|4 aut
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|a Bodénès, Catherine
|e verfasserin
|4 aut
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|a Romiguier, Jonathan
|e verfasserin
|4 aut
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|a Paiva, Jorge A P
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|a Dossat, Carole
|e verfasserin
|4 aut
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|a Aury, Jean-Marc
|e verfasserin
|4 aut
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|a Plomion, Christophe
|e verfasserin
|4 aut
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|a Kremer, Antoine
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 214(2017), 2 vom: 09. Apr., Seite 865-878
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|x 1469-8137
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|g volume:214
|g year:2017
|g number:2
|g day:09
|g month:04
|g pages:865-878
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|u http://dx.doi.org/10.1111/nph.14413
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