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No evidence for genetic differentiation in juvenile traits between Belgian and French populations of the invasive tree Robinia pseudoacacia

hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorBOUTEILLER, Xavier
hal.structure.identifierInstitut de Mathématiques de Bordeaux [IMB]
dc.contributor.authorBARRAQUAND, Frédéric
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorGARNIER‐GÉRÉ, Pauline
hal.structure.identifierCentre d’Ecologie Fonctionnelle et Evolutive [CEFE]
dc.contributor.authorHARMAND, Noémie
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorLAIZET, Yec’han
dc.contributor.authorRAIMBAULT, Alexandre
hal.structure.identifierEcophysiologie Végétale, Agronomie et Nutritions [EVA]
dc.contributor.authorSEGURA, Raphael
hal.structure.identifierUniversité de Liège - Gembloux
dc.contributor.authorLASSOIS, Ludivine
hal.structure.identifierGembloux Agro-Bio Tech [Gembloux]
dc.contributor.authorMONTY, Arnaud
hal.structure.identifierInstitut de Recherche en Horticulture et Semences [IRHS]
dc.contributor.authorVERDU, Cindy
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorMARIETTE, Stéphanie
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorPORTE, Annabel
dc.date.issued2018-03-28
dc.identifier.issn2032-3913
dc.description.abstractEn<strong>Background</strong> – The role of evolution in biological invasion studies is often overlooked. In order to evaluate the evolutionary mechanisms behind invasiveness, both quantitative and population genetics studies are underway on Robinia pseudoacacia L., one of the worst invasive tree species in Europe. <strong>Methods</strong> – A controlled experiment was set up using 2000 seeds from ten populations in Southern France and ten populations in Belgium. Seedlings were cultivated in two climatic chambers set at 18°C and 22°C. Early development life history traits (e.g.seedling phenology) and functional traits (e.g.growth rates) were monitored. Genotyping using SNP markers was used to evaluate the genetic differentiation among the populations and a QST – FST comparison was done in order to test for the role of selection. <strong>Results</strong> – Populations exhibited a strong plasticity to temperature for all measured traits, the warmer environment being generally more suitable, irrespective of their origin. No significant departure from neutral evolution was evidenced by the QST – FST comparisons, although we found a slightly significant differentiation at the molecular level. <strong>Conclusion</strong> – Plasticity for the functional and life history traits was evidenced but no genetic interaction suggesting no possible evolution of plasticity at those traits. Moreover, no support for genetic differentiation and local adaptation was found among studied populations within invasive range, raising two main questions: first, what is the role of selection on functional and life-history traits; and second, is the elapsed time since first introduction sufficient to allow evolution and local adaptation?
dc.language.isoen
dc.publisherBotanic Garden Meise and Royal Botanical Society of Belgium
dc.subjectbiological invasion
dc.subjectQST – FST comparisons
dc.subjectlocal adaptation
dc.subjectRobinia pseudoacacia
dc.subject.enselection
dc.subject.entemperature
dc.title.enNo evidence for genetic differentiation in juvenile traits between Belgian and French populations of the invasive tree Robinia pseudoacacia
dc.typeArticle de revue
dc.identifier.doi10.5091/plecevo.2018.1403
dc.subject.halSciences de l'environnement/Biodiversité et Ecologie
dc.subject.halSciences du Vivant [q-bio]/Bio-Informatique, Biologie Systémique [q-bio.QM]
dc.subject.halSciences du Vivant [q-bio]/Ecologie, Environnement
dc.subject.halSciences du Vivant [q-bio]/Biodiversité
dc.subject.halSciences du Vivant [q-bio]/Biodiversité/Evolution [q-bio.PE]
bordeaux.journalPlant Ecology and Evolution
bordeaux.page5-17
bordeaux.volume151
bordeaux.issue1
bordeaux.peerReviewedoui
hal.identifierhal-02362339
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02362339v1
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