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Sympatric Populations of Crop and Wild Carrots ( Daucus carota subsp.) Have Distinct Viromes, with Shared Core Species More Prevalent in Farm-Grown Populations

dc.contributor.authorSCHÖNEGGER, Deborah
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorMARAIS, Armelle
dc.contributor.authorARENAL, Fernando Garcia
dc.contributor.authorMALMSTROM, Carolyn
dc.contributor.authorJIMENEZ, Marcos Martinez
dc.contributor.authorMCLEISH, Michael
hal.structure.identifierPlateforme Exploration du Métabolisme [PFEM]
hal.structure.identifierUnité de Nutrition Humaine [UNH]
dc.contributor.authorLEFEBVRE, Marie
dc.contributor.authorFAURE, Chantal
dc.contributor.authorSVANELLA-DUMAS, Laurence
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorCANDRESSE, Thierry
dc.date.accessioned2025-06-24T02:10:32Z
dc.date.available2025-06-24T02:10:32Z
dc.date.issued2025-03
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/207103
dc.description.abstractEnViral exchanges between crops and wild plants are important considerations in virus ecology and epidemiology but remain poorly understood. To investigate such exchanges, we compared the viromes of wild and farmed carrots ( Daucus carota subsp.) growing near each other in France. Farm populations included cultivated varieties and off-type carrots (resembling wild ones) growing among them. This crop–wild relative pathosystem offers notable opportunities for virus exchange due to the hosts’ genetic closeness and geographic proximity. High-throughput sequencing found that viral taxonomic richness was greatest in wild carrots. However, hierarchical clustering and bipartite network analyses revealed that wild and farm carrot viromes differed in their seedborne and vector-borne components. About 50% of viral taxa were shared among population types, whereas others were uniquely associated with either wild or farm carrots. Individual-plant RT-PCR testing of 16 aphid-borne agents from the shared core virome found that their prevalence was generally greatest in farm populations, with some geographic variability in virus pressure. The viromes of off-type and cultivated carrots were most similar, suggesting that proximity and/or management practices influence virome properties. For some aphid-borne viruses, similar isolates were found in wild and cultivated carrots, suggesting exchanges between them or with a shared source. However, isolates of other aphid-borne viruses clustered by carrot type, indicating barriers to viral fluxes that might involve differential susceptibility of populations, vector preferences, or unidentified factors. To improve virus management, we need better understanding of how specific facilitators and barriers of viral exchange can be manipulated to reduce negative viral impacts. [Formula: see text] Copyright © 2025 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license .
dc.language.isoen
dc.publisherAPS Publications
dc.title.enSympatric Populations of Crop and Wild Carrots ( Daucus carota subsp.) Have Distinct Viromes, with Shared Core Species More Prevalent in Farm-Grown Populations
dc.typeArticle de revue
dc.identifier.doi10.1094/PBIOMES-06-24-0062-R
dc.subject.halSciences du Vivant [q-bio]
bordeaux.journalPhytobiomes Journal
bordeaux.page8-20
bordeaux.volume9
bordeaux.hal.laboratoriesBiologie du Fruit & Pathologie (BFP) - UMR 1332*
bordeaux.issue1
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-05125724
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-05125724v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Phytobiomes%20Journal&rft.date=2025-03&rft.volume=9&rft.issue=1&rft.spage=8-20&rft.epage=8-20&rft.au=SCH%C3%96NEGGER,%20Deborah&MARAIS,%20Armelle&ARENAL,%20Fernando%20Garcia&MALMSTROM,%20Carolyn&JIMENEZ,%20Marcos%20Martinez&rft.genre=article


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