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Chloroplast DNA variation of Quercus rubra L. in North America and comparison with other Fagaceae

hal.structure.identifierBiodiversité, Gènes et Ecosystèmes [BioGeCo]
hal.structure.identifierUniversidad de Chile = University of Chile [Santiago] [UCHILE]
dc.contributor.authorMAGNI, C.R.
hal.structure.identifierBiodiversité, Gènes et Ecosystèmes [BioGeCo]
dc.contributor.authorDUCOUSSO, Alexis
hal.structure.identifierBiodiversité, Gènes et Ecosystèmes [BioGeCo]
dc.contributor.authorCARON, Henri
hal.structure.identifierBiodiversité, Gènes et Ecosystèmes [BioGeCo]
dc.contributor.authorPETIT, Remy
hal.structure.identifierBiodiversité, Gènes et Ecosystèmes [BioGeCo]
dc.contributor.authorKREMER, Antoine
dc.date.issued2005
dc.identifier.issn0962-1083
dc.description.abstractEnQuercus rubra is one of the most important timber and ornamental tree species from eastern North America. It is a widespread species growing under variable ecological conditions. Chloroplast DNA variation was studied by PCR-RFLP (polymerase chain reaction-restriction fragment length polymorphism) in 290 individuals from 66 populations sampled throughout the natural range. A total of 12 haplotypes were detected, with one found in 75% of the trees. Population differentiation is relatively low (GST = 0.46), even when similarities between haplotypes are taken into account (NST = 0.50), pointing to a weak phylogeographical structure. Furthermore, no spatial structure of genetic diversity could be detected. The genetic differentiation increased northwards, reflecting the postglacial history of Q. rubra. The unusual aspect of this study was the low level of chloroplast DNA genetic differentiation in Q. rubra compared to that typically observed in other oak species. Palynological evidence indicates that during the last glacial maximum, Q. rubra had one major distribution range with populations located relatively far to the north, resulting in only modest movement northwards when climate improved, whereas European white oaks were largely restricted to the southern European peninsulas and experienced extensive movements during the postglacial period. The contrasted geographical features and levels of tree species richness of both continents might further explain why congeneric species sharing similar life history traits have genetic structures that are so different
dc.language.isoen
dc.publisherWiley
dc.subjectGENETIQUE DES POPULATIONS
dc.subjectADN CHLOROPLASTIQUE
dc.subject.enPOSTGLACIAL RECOLONIZATION
dc.subject.enDIFFERENCIATION
dc.subject.enGENETIC DIVERSITY
dc.subject.enPCR-RFLP
dc.subject.enCHENE ROUGE
dc.title.enChloroplast DNA variation of Quercus rubra L. in North America and comparison with other Fagaceae
dc.typeArticle de revue
dc.identifier.doi10.1111/j.1365-294X.2005.02400.x
dc.subject.halSciences du Vivant [q-bio]/Biochimie, Biologie Moléculaire
bordeaux.journalMolecular Ecology
bordeaux.page513-524
bordeaux.volume14
bordeaux.issue2
bordeaux.peerReviewedoui
hal.identifierhal-02681837
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02681837v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Molecular%20Ecology&rft.date=2005&rft.volume=14&rft.issue=2&rft.spage=513-524&rft.epage=513-524&rft.eissn=0962-1083&rft.issn=0962-1083&rft.au=MAGNI,%20C.R.&DUCOUSSO,%20Alexis&CARON,%20Henri&PETIT,%20Remy&KREMER,%20Antoine&rft.genre=article


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