Molecular footprints of local adaptation in two Mediterranean conifers

Molecular Biology and Evolution
Delphine GrivetSantiago C González-Martínez

Abstract

This study combines neutrality tests and environmental correlations to identify nonneutral patterns of evolution in candidate genes related to drought stress in two closely related Mediterranean conifers, Pinus pinaster Ait. and P. halepensis Mill. Based on previous studies, we selected twelve amplicons covering six candidate genes that were sequenced in a large sample spanning the full range of these two species. Neutrality tests relatively robust to demography (DHEW compound test and maximum likelihood multilocus Hudson-Kreitman-Aguadé test) were used to detect selection events at different temporal scales. Environmental associations between variation at candidate genes and climatic variables were also examined. These combined approaches detected distinct genes that may be targeted by selection, most of them specific to only one of the two conifers, despite their recent divergence (<10 Ma). An exception was 4-coumarate: CoA ligase, a gene involved in the production of various important secondary products that appeared to play a role in local adaptation processes of both pines. Another remarkable result was that all significant environmental correlations involved temperature indices, highlighting the importance of this climati...Continue Reading

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Citations

May 3, 2011·PLoS Genetics·Angela M HancockAnna Di Rienzo
Sep 12, 2015·Molecular Ecology Resources·C PlomionS C González-Martínez
Oct 16, 2015·Molecular Ecology·M C CastellanosJ G Pausas
Dec 4, 2015·Proceedings. Biological Sciences·Isabel Rodríguez-QuilónSantiago C González-Martínez
Jul 18, 2015·Molecular Ecology·Christian RellstabRolf Holderegger
Jun 23, 2015·The New Phytologist·Maria MayolGiovanni G Vendramin
May 12, 2012·Molecular Ecology·C BurgarellaS C González-Martínez
Nov 13, 2012·Evolutionary Applications·Elena MoscaDavid B Neale
Jul 19, 2012·Molecular Ecology·Julien PrunierJean Bousquet
Mar 19, 2013·Global Change Biology·Florian J AlbertoOuti Savolainen
Sep 11, 2013·The New Phytologist·Katharina B BuddeSantiago C González-Martínez
Oct 12, 2013·The New Phytologist·John R Pannell, Peter D Fields
Jul 15, 2015·The Journal of Heredity·Jennafer A P Hamlin, Michael L Arnold
Feb 5, 2015·BMC Evolutionary Biology·Judit Salces-OrtizM Magdalena Serrano
Apr 18, 2013·Molecular Phylogenetics and Evolution·Delphine GrivetSantiago C González-Martínez
Nov 14, 2013·American Journal of Botany·Ana Hernández-SerranoJuli G Pausas
Mar 22, 2018·G3 : Genes - Genomes - Genetics·Ethan A G BakerDavid B Neale
Jan 21, 2014·Genetics·Jeremy B YoderPeter Tiffin
Nov 27, 2019·Journal of Experimental Botany·Maximiliano Estravis-BarcalaMaría Verónica Arana
Jun 2, 2020·Tree Physiology·Carla Vázquez-GonzálezLuis Sampedro
Jan 1, 2015·Genetics·Juan-Pablo Jaramillo-CorreaSantiago C González-Martínez
Nov 8, 2017·Molecular Ecology·Delphine GrivetSantiago C González-Martínez
Apr 10, 2017·Genome Biology and Evolution·Dorothy A SteaneMargaret Byrne

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