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Population structure of a widespread species under balancing selection: the case of Arbutus unedo L.

Arbutus unedo L. is an evergreen shrub with a circum-Mediterranean distribution that also reaches the Eurosiberian region in northern Iberia, Atlantic France, and a disjunct population in southern Ireland. Due to the variety of climatic conditions across its distribution range, the populations of A....

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Bibliographic Details
Main Authors: Santiso, Xabier (Author) , Lopez, Lua (Author) , Retuerto, Rubén (Author) , Barreiro, Rodolfo (Author)
Format: Article (Journal)
Language:English
Published: 13 January2016
In: Frontiers in plant science
Year: 2016, Volume: 6
ISSN:1664-462X
DOI:10.3389/fpls.2015.01264
Online Access:Resolving-System, lizenzpflichtig, Volltext: https://doi.org/10.3389/fpls.2015.01264
Verlag, lizenzpflichtig, Volltext: https://www.frontiersin.org/articles/10.3389/fpls.2015.01264/full
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Author Notes:Xabier Santiso, Lua Lopez, Rubén Retuerto and Rodolfo Barreiro
Description
Summary:Arbutus unedo L. is an evergreen shrub with a circum-Mediterranean distribution that also reaches the Eurosiberian region in northern Iberia, Atlantic France, and a disjunct population in southern Ireland. Due to the variety of climatic conditions across its distribution range, the populations of A. unedo were expected to display local adaptation. Conversely, common garden experiments revealed that diverse genotypes from a range of provenances produce similar phenotypes through adaptive plasticity, suggesting the action of stabilizing selection across its climatically heterogeneous range. Nonetheless, since an uniform response might also result from extensive gene flow, we have inferred the population structure of A. unedo and assessed whether its extended and largely one-dimensional range influences gene flow with the help of AFLP genotypes for 491 individuals from 19 populations covering the whole range of the species.
Item Description:Gesehen am 08.05.2020
Physical Description:Online Resource
ISSN:1664-462X
DOI:10.3389/fpls.2015.01264

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