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Insights Into the Almond Domestication History

hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorDECROOCQ, Stephane
hal.structure.identifierGénétique Quantitative et Evolution - Le Moulon (Génétique Végétale) [GQE-Le Moulon]
dc.contributor.authorCORNILLE, Amandine
hal.structure.identifierGénétique et Amélioration des Fruits et Légumes [GAFL]
dc.contributor.authorDLALAH, Naïma
hal.structure.identifierGénétique et Amélioration des Fruits et Légumes [GAFL]
dc.contributor.authorDUVAL, Henri
hal.structure.identifierGénétique et Amélioration des Fruits et Légumes [GAFL]
dc.contributor.authorTRICON, David
hal.structure.identifierGénétique et Amélioration des Fruits et Légumes [GAFL]
dc.contributor.authorQUILOT, Bénédicte
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorKHALID, Wisam
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorCHAGUE, Aurélie
hal.structure.identifierInstitut de Recerca i Tecnologia Agroalimentàries = Institute of Agrifood Research and Technology [IRTA]
dc.contributor.authorEDUARDO, Iban
hal.structure.identifierInstitut de Recerca i Tecnologia Agroalimentàries = Institute of Agrifood Research and Technology [IRTA]
dc.contributor.authorBATLLE, Ignasi
hal.structure.identifierHellenic Agricultural Organization Demeter [HAO Demeter]
dc.contributor.authorDROGOUDI, Pavlina
hal.structure.identifierCukurova University
dc.contributor.authorKÜDEN, Ayzin
hal.structure.identifierInönü University
dc.contributor.authorASMA, Bayram
hal.structure.identifierКыргыз Республикасынын Саламаттык сактоо министрлиги - Ministry of Health of the Kyrgyz Republic [Bishkek, Kyrgyzstan]
dc.contributor.authorKOSTRITSYNA, Tatiana
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorDECROOCQ, Véronique
dc.date.issued2025-08-31
dc.identifier.issn1752-4563
dc.description.abstractEnUnderstanding crop domestication offers crucial insights into the evolutionary processes that drive population divergence and adaptation. It also informs the identification of genetically diverse wild germplasm, which is essential for breeding and conservation efforts. While domestication has been extensively studied in many Mediterranean fruit trees, the evolutionary history of the almond ( Prunus dulcis ) remains comparatively underexplored. To address this, we analyzed 209 wild and cultivated almond accessions sampled across Eurasia and genotyped with 23 microsatellite markers. Using population genetics and coalescent‐based inference, we reconstructed the domestication history of P. dulcis and its relationships with wild relatives. Bayesian clustering revealed four genetically distinct clusters of cultivated almonds: Turkish, Caucasian–Central Asian, Southern Spanish, and European/North American. These groups were differentiated from wild almond species—including Prunus turcomanica , Prunus orientalis , Prunus fenzliana , and Prunus spinosissima —each forming its gene pool across the Middle East and Central Asia. Approximate Bayesian Computation (ABC) supported a single domestication event in the Middle East, originating from either P. orientalis or P. turcomanica , with subsequent gene flow from P. fenzliana and P. spinosissima into the Turkish and Central Asian cultivated gene pools, respectively. We also inferred reciprocal introgression from cultivated almonds back into wild populations. Notably, sharka resistance—caused by plum pox virus (PPV)—was identified in three P. dulcis clusters and P. fenzliana , suggesting that resistance may have arisen independently or been maintained through crop–wild introgression. Together, our results highlight a complex and protracted domestication history for almond, shaped by contributions from multiple wild relatives and recurrent gene flow. These findings enhance our understanding of perennial crop evolution and underscore the value of wild germplasm in breeding programs aimed at increasing resilience in fruit trees.
dc.description.sponsorshipADAPTATION DES CULTURES FRUITIÈRES AU CHANGEMENT CLIMATIQUE DANS LE BASSIN MÉDITERRANÉEN - ANR-18-PRIM-0001
dc.language.isoen
dc.publisherBlackwell
dc.rights.urihttp://creativecommons.org/licenses/by/
dc.subject.ensharka
dc.subject.envirus
dc.subject.engenetic resources
dc.subject.engene flow
dc.subject.enfruit trees
dc.subject.endomestication
dc.subject.enalmonds
dc.subject.enPrunus
dc.subject.enMediterranean Basin
dc.title.enInsights Into the Almond Domestication History
dc.typeArticle de revue
dc.identifier.doi10.1111/eva.70150
dc.subject.halSciences du Vivant [q-bio]
dc.description.sponsorshipEuropeExploiting the Untapped potential of Fruit tree Wild DIVersity for Sustainable Agriculture
bordeaux.journalEvolutionary Applications
bordeaux.volume18
bordeaux.issue9
bordeaux.peerReviewedoui
hal.identifierhal-05235410
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-05235410v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Evolutionary%20Applications&rft.date=2025-08-31&rft.volume=18&rft.issue=9&rft.eissn=1752-4563&rft.issn=1752-4563&rft.au=DECROOCQ,%20Stephane&CORNILLE,%20Amandine&DLALAH,%20Na%C3%AFma&DUVAL,%20Henri&TRICON,%20David&rft.genre=article


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