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Population structure and temporal maintenance of the multihost fungal pathogen<em> Botrytis cinerea</em>: causes and implications for disease management.

hal.structure.identifierBIOlogie et GEstion des Risques en agriculture [BIOGER]
dc.contributor.authorWALKER, Anne Sophie
hal.structure.identifierEcologie Systématique et Evolution [ESE]
hal.structure.identifierDepartment of Plant and Microbial Biology
dc.contributor.authorGLADIEUX, Pierre
hal.structure.identifierUnité de Pathologie Végétale [PV]
dc.contributor.authorDECOGNET, Véronique
hal.structure.identifierSanté et agroécologie du vignoble [UMR SAVE]
dc.contributor.authorFERMAUD, Marc
hal.structure.identifierBIOlogie et GEstion des Risques en agriculture [BIOGER]
dc.contributor.authorCONFAIS, Johann
hal.structure.identifierSanté et agroécologie du vignoble [UMR SAVE]
dc.contributor.authorROUDET, Jean
hal.structure.identifierUnité de Pathologie Végétale [PV]
dc.contributor.authorBARDIN, Marc
hal.structure.identifierInstitut Sophia Agrobiotech [ISA]
dc.contributor.authorBOUT, Alexandre
hal.structure.identifierUnité de Pathologie Végétale [PV]
dc.contributor.authorNICOT, Philippe C.
hal.structure.identifierInstitut Sophia Agrobiotech [ISA]
dc.contributor.authorPONCET, Christine
hal.structure.identifierBiologie et Génétique des Interactions Plante-Parasite [UMR BGPI]
dc.contributor.authorFOURNIER, Elisabeth
dc.date.accessioned2024-04-08T12:32:15Z
dc.date.available2024-04-08T12:32:15Z
dc.date.issued2015
dc.identifier.issn1462-2912
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/197129
dc.description.abstractEnUnderstanding the causes of population subdivision is of fundamental importance, as studying barriers to gene flow between populations may reveal key aspects of the process of adaptive divergence and, for pathogens, may help forecasting disease emergence and implementing sound management strategies. Here, we investigated population subdivision in the multi-host fungus <em>Botrytis cinerea</em>, based on comprehensive multiyear sampling on different hosts in three French regions. Analyses revealed a weak association between population structure and geography, but a clear differentiation according to the host plant of origin. This was consistent with adaptation to hosts, but the distribution of inferred genetic clusters and the frequency of admixed individuals indicated a lack of strict host-specificity. Differentiation between individuals collected in the greenhouse (on <em>Solanum</em>) and outdoor (on <em>Vitis</em> and <em>Rubus</em>) was stronger than that observed between individuals from the two outdoor hosts, probably reflecting an additional isolating effect associated with the cropping system. Three genetic clusters coexisted on <em>Vitis</em>, but did not persist over time. Linkage disequilibrium analysis indicated that outdoor populations were regularly recombining, whereas clonality was predominant in the greenhouse. Our findings open up new perspectives for disease control by managing plant debris in outdoor conditions, and reinforcing prophylactic measures indoor.
dc.language.isoen
dc.publisherSociety for Applied Microbiology and Wiley-Blackwell
dc.rights.urihttp://creativecommons.org/licenses/by-nc/
dc.subjectcrop management
dc.subjecthost plant
dc.subjectpopulation structure
dc.subject.enBotrytis cinerea
dc.subject.endivergent selection
dc.subject.engray mold
dc.subject.enmigration
dc.subject.enreproductive isolation
dc.subject.enreproductive system
dc.title.enPopulation structure and temporal maintenance of the multihost fungal pathogen<em> Botrytis cinerea</em>: causes and implications for disease management.
dc.typeArticle de revue
dc.identifier.doi10.1111/1462-2920.12563
dc.subject.halSciences du Vivant [q-bio]/Sciences agricoles
bordeaux.journalEnvironmental Microbiology
bordeaux.page1261-1274
bordeaux.volume17
bordeaux.hal.laboratoriesSanté et Agro-Ecologie du Vignoble (SAVE) - UMR 1065*
bordeaux.issue4
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-02638009
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02638009v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=Environmental%20Microbiology&amp;rft.date=2015&amp;rft.volume=17&amp;rft.issue=4&amp;rft.spage=1261-1274&amp;rft.epage=1261-1274&amp;rft.eissn=1462-2912&amp;rft.issn=1462-2912&amp;rft.au=WALKER,%20Anne%20Sophie&amp;GLADIEUX,%20Pierre&amp;DECOGNET,%20V%C3%A9ronique&amp;FERMAUD,%20Marc&amp;CONFAIS,%20Johann&amp;rft.genre=article


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