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The chestnut blight fungus world tour: successive introduction events from diverse origins in an invasive plant fungal pathogen

hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorDUTECH, Christian Cyril
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorBARRES, Benoît
hal.structure.identifierInstitut National de la Recherche Agronomique [INRA]
dc.contributor.authorBRIDIER, J.
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorROBIN, Cécile
hal.structure.identifierDepartment of Plant Pathology and Plant-Microbe Biology
dc.contributor.authorMILGROOM, M.G.
hal.structure.identifierCentre de Coopération Internationale en Recherche Agronomique pour le Développement [Cirad]
dc.contributor.authorRAVIGNÉS, V.
dc.date.issued2012
dc.identifier.issn0962-1083
dc.description.abstractEnClonal expansion has been observed in several invasive fungal plant pathogens colonizing new areas, raising the question of the origin of clonal lineages. Using microsatellite markers, we retraced the evolutionary history of introduction of the chestnut blight fungus, Cryphonectria parasitica, in North America and western Europe. Combining discriminant analysis of principal components and approximate Bayesian computation analysis, we showed that several introduction events from genetically differentiated source populations have occurred in both invaded areas. In addition, a low signal of genetic recombination among different source populations was suggested in North America. Finally, two genetic lineages were present in both invaded areas as well as in the native areas, suggesting the existence of genetic lineages with a high capacity to establish in diverse environments and host species. This study confirmed the importance of multiple introductions, but questioned the role of genetic admixture in the success of introduction of a fungal plant pathogen.
dc.language.isoen
dc.publisherWiley
dc.subjectbiological invasion
dc.subjectgenetic admixture
dc.subject.enapproximate Bayesian computation analysis
dc.subject.enCryphonectria parasitica
dc.subject.enmode of reproduction
dc.subject.enmultiple introductions
dc.title.enThe chestnut blight fungus world tour: successive introduction events from diverse origins in an invasive plant fungal pathogen
dc.typeArticle de revue
dc.identifier.doi10.1111/j.1365-294X.2012.05575.x
dc.subject.halSciences du Vivant [q-bio]
bordeaux.journalMolecular Ecology
bordeaux.page3931-3946
bordeaux.volume21
bordeaux.issue16
bordeaux.peerReviewedoui
hal.identifierhal-02647231
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02647231v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Molecular%20Ecology&rft.date=2012&rft.volume=21&rft.issue=16&rft.spage=3931-3946&rft.epage=3931-3946&rft.eissn=0962-1083&rft.issn=0962-1083&rft.au=DUTECH,%20Christian%20Cyril&BARRES,%20Beno%C3%AEt&BRIDIER,%20J.&ROBIN,%20C%C3%A9cile&MILGROOM,%20M.G.&rft.genre=article


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