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Genetic diversity of the Chestnut blight fungus Cryphonectria parasitica in four French populations assessed by microsatellite markers

hal.structure.identifierBiodiversité, Gènes et Ecosystèmes [BioGeCo]
dc.contributor.authorBREUILLIN, Florence
hal.structure.identifierBiodiversité, Gènes et Ecosystèmes [BioGeCo]
dc.contributor.authorDUTECH, Christian Cyril
hal.structure.identifierBiodiversité, Gènes et Ecosystèmes [BioGeCo]
dc.contributor.authorROBIN, Cécile
dc.date.issued2006
dc.identifier.issn0953-7562
dc.description.abstractEnMicrosatellites are powerful markers to infer population genetic parameters. Here, 13 microsatellite loci isolated from a genomic and a cDNA library of Cryphonectria parasitica were used to characterize the genetic diversity and structure of four French populations. Twelve of these loci were polymorphic within populations, and average gene diversity (H,) was estimated to be 0.35. There was a lower genetic diversity in a south-eastern population relative to three south-western populations. In these three populations, microsatellite genotypic diversity was higher than vegetative compatibility type diversity. A high genetic differentiation (G(ST) = 0.27) suggested a low gene flow and/or founder effects of French populations which are in agreement with low dispersal of spores and different introductions of this species in southern France. This study demonstrates the significance of these microsatellite loci to assess gene flow and reproductive system in this important pathogen
dc.language.isoen
dc.publisherElsevier
dc.subject.enFOUNDER EFFECT
dc.subject.enINTRODUCED SPECIES
dc.subject.enINVASIVE SPECIES
dc.subject.enPLANT PATHOLOGY
dc.subject.enVEGETATIVE COMPATIBILITY
dc.subject.enCRYPHONECTRIA PARASITICA
dc.subject.enESPECE INVASIVE
dc.title.enGenetic diversity of the Chestnut blight fungus Cryphonectria parasitica in four French populations assessed by microsatellite markers
dc.typeArticle de revue
dc.identifier.doi10.1016/j.mycres.2005.09.016
dc.subject.halSciences du Vivant [q-bio]/Microbiologie et Parasitologie/Mycologie
bordeaux.journalMycological Research
bordeaux.page288-296
bordeaux.volume110
bordeaux.issue3
bordeaux.peerReviewedoui
hal.identifierhal-02661813
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02661813v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Mycological%20Research&rft.date=2006&rft.volume=110&rft.issue=3&rft.spage=288-296&rft.epage=288-296&rft.eissn=0953-7562&rft.issn=0953-7562&rft.au=BREUILLIN,%20Florence&DUTECH,%20Christian%20Cyril&ROBIN,%20C%C3%A9cile&rft.genre=article


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