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Graft union formation involves interactions among bud signals, carbon availability, dormancy release, wound responses and non‐self‐communication in grapevine

hal.structure.identifierEcophysiologie et Génomique Fonctionnelle de la Vigne [UMR EGFV]
dc.contributor.authorLOUPIT, Grégoire
hal.structure.identifierPlateforme Bordeaux Metabolome
dc.contributor.authorVALLS FONAYET, Josep
hal.structure.identifierEcophysiologie et Génomique Fonctionnelle de la Vigne [UMR EGFV]
dc.contributor.authorTRAN, Joseph
hal.structure.identifierEcophysiologie et Génomique Fonctionnelle de la Vigne [UMR EGFV]
dc.contributor.authorGARCIA, Virginie
hal.structure.identifierSILVA [SILVA]
dc.contributor.authorHUMMEL, Irène
hal.structure.identifierPlateforme Bordeaux Metabolome
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorPETRIACQ, Pierre
hal.structure.identifierEcophysiologie et Génomique Fonctionnelle de la Vigne [UMR EGFV]
dc.contributor.authorGALLUSCI, Philippe
hal.structure.identifierEcophysiologie et Génomique Fonctionnelle de la Vigne [UMR EGFV]
dc.contributor.authorBERGER, Margot
hal.structure.identifierUnité de Recherche Œnologie [Villenave d'Ornon] [OENO]
dc.contributor.authorFRANC, Céline
hal.structure.identifierUnité de Recherche Œnologie [Villenave d'Ornon] [OENO]
dc.contributor.authorDE REVEL, Gilles
hal.structure.identifierEcophysiologie et Génomique Fonctionnelle de la Vigne [UMR EGFV]
dc.contributor.authorOLLAT, Nathalie
hal.structure.identifierEcophysiologie et Génomique Fonctionnelle de la Vigne [UMR EGFV]
dc.contributor.authorCOOKSON, Sarah
dc.date.accessioned2025-07-24T02:04:25Z
dc.date.available2025-07-24T02:04:25Z
dc.date.issued2025-06
dc.identifier.issn0960-7412
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/207377
dc.description.abstractEn<div><p>Grafting plants uses intrinsic wound-healing mechanisms to join together different organisms, yet the processes underpinning graft union formation remain poorly understood. To further our understanding of the molecular reprogramming triggered by grafting and wounding in a perennial plant, we characterised the transcriptome and metabolome of intact and wounded un-grafted scions and rootstocks, and homo-and hetero-grafts at 0 and 14 days after grafting/wounding in grapevine. We show that grafting triggered the coordinated activation of gene expression and the accumulation of lipids and phenolic compounds in comparison with intact tissues. We highlight an asymmetry in gene expression above and below the graft interface, which is in part not only due to carbon status, but also to intrinsic differences in gene expression between un-grafted scions and rootstocks, and their differential responses to wounding. We found that b-1,4-glucanases were differentially expressed in response to both wounding and grafting and demonstrated that exogenous b-1,4-glucanase application increased grafting success rate. Grafting, wounding, homo-graft and hetero-graft-specific transcriptome responses were characterised. The comprehensive experimental design of the dataset containing all necessary control samples allowed the identification of genes and metabolites potentially involved in wounding and grafting responses in an iconic grafted fruit crop. This is important because knowledge of genes regulating graft union formation could be leveraged for the selection of new, highly graft-compatible cultivars in the future.</p></div>
dc.language.isoen
dc.publisherWiley
dc.rights.urihttp://creativecommons.org/licenses/by/
dc.subject.enwounding
dc.subject.enWGCNA
dc.subject.enRNAseq
dc.subject.enVitis vinifera
dc.subject.enScion
dc.subject.enrootstock
dc.title.enGraft union formation involves interactions among bud signals, carbon availability, dormancy release, wound responses and non‐self‐communication in grapevine
dc.typeArticle de revue
dc.identifier.doi10.1111/tpj.70244
dc.subject.halSciences du Vivant [q-bio]
bordeaux.journalThe Plant Journal
bordeaux.volume122
bordeaux.hal.laboratoriesBiologie du Fruit & Pathologie (BFP) - UMR 1332*
bordeaux.issue5
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-05178612
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-05178612v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=The%20Plant%20Journal&amp;rft.date=2025-06&amp;rft.volume=122&amp;rft.issue=5&amp;rft.eissn=0960-7412&amp;rft.issn=0960-7412&amp;rft.au=LOUPIT,%20Gr%C3%A9goire&amp;VALLS%20FONAYET,%20Josep&amp;TRAN,%20Joseph&amp;GARCIA,%20Virginie&amp;HUMMEL,%20Ir%C3%A8ne&amp;rft.genre=article


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