LatutrieBergeronTremblay2016

Référence

Latutrie, M., Bergeron, Y., Tremblay, M.F. (2016) Fine-scale assessment of genetic diversity of trembling aspen in northwestern North America. BMC Evolutionary Biology, 16(1):231. (URL )

Résumé

In North America, the last ice age is the most recent event with severe consequences on boreal species' ranges. Phylogeographic patterns of range expansion in trembling aspen (Populus tremuloides) suggested that Beringia is likely to be a refugium and the ``ice-free corridor'' in Alberta may represent a region where small populations persisted during the last glacial maximum (LGM). The purpose of this study was to ascertain whether the origins of trembling aspen in western North America are reflected in the patterns of neutral genetic diversity and population structure. A total of 28 sites were sampled covering the northwestern part of aspen's distribution, from Saskatchewan to Alaska. Twelve microsatellite markers were used to describe patterns of genetic diversity. The genetic structure of trembling aspen populations was assessed by using multivariate analyses, Mantel correlograms, neighbor-joining trees and Bayesian analysis.

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@ARTICLE { LatutrieBergeronTremblay2016,
    TITLE = { Fine-scale assessment of genetic diversity of trembling aspen in northwestern North America },
    AUTHOR = { Latutrie, M. and Bergeron, Y. and Tremblay, M.F. },
    JOURNAL = { BMC Evolutionary Biology },
    YEAR = { 2016 },
    NUMBER = { 1 },
    PAGES = { 231 },
    VOLUME = { 16 },
    ABSTRACT = { In North America, the last ice age is the most recent event with severe consequences on boreal species' ranges. Phylogeographic patterns of range expansion in trembling aspen (Populus tremuloides) suggested that Beringia is likely to be a refugium and the ``ice-free corridor'' in Alberta may represent a region where small populations persisted during the last glacial maximum (LGM). The purpose of this study was to ascertain whether the origins of trembling aspen in western North America are reflected in the patterns of neutral genetic diversity and population structure. A total of 28 sites were sampled covering the northwestern part of aspen's distribution, from Saskatchewan to Alaska. Twelve microsatellite markers were used to describe patterns of genetic diversity. The genetic structure of trembling aspen populations was assessed by using multivariate analyses, Mantel correlograms, neighbor-joining trees and Bayesian analysis. },
    DOI = { 10.1186/s12862-016-0810-1 },
    ISSN = { 1471-2148 },
    OWNER = { DanielLesieur },
    TIMESTAMP = { 2016.10.31 },
    URL = { http://dx.doi.org/10.1186/s12862-016-0810-1 },
}

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