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16 février 2018
- handle: 10670/1.t9fc76
- hal: hal-01827090
- doi: 10.1093/aob/mcx145
- PRODINRA: 428665
- PUBMED: 29293871
- PUBMEDCENTRAL: PMC5838823
- WOS: 000427180100002
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info:eu-repo/semantics/altIdentifier/doi/10.1093/aob/mcx145
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info:eu-repo/semantics/altIdentifier/pmid/29293871
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info:eu-repo/grantAgreement/EC/FP7/219262/EU/Coordination of Agricultural Research in the Mediterranean/ARIMNET
Mots-clés
Adaptation phylogeography introgression Oleaceae pathogen microbes -bio]/Vegetal Biology/Botanics -bio]/Ecology, environment/EcosystemsSujets proches
Animals, Domestication ofCiter ce document
Guillaume Besnard et al., « On the origins and domestication of the olive: a review and perspectives », HAL-SHS : archéologie, ID : 10.1093/aob/mcx145
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Résumé
Background Unravelling domestication processes is crucial for understanding how species respond to anthropogenic pressures, forecasting crop responses to future global changes and improving breeding programmes. Domestication processes for clonally propagated perennials differ markedly from those for seed-propagated annual crops, mostly due to long generation times, clonal propagation and recurrent admixture with local forms, leading to a limited number of generations of selection from wild ancestors. However, additional case studies are required to document this process more fully. Scope The olive is an iconic species in Mediterranean cultural history. Its multiple uses and omnipresence in traditional agrosystems have made this species an economic pillar and cornerstone of Mediterranean agriculture. However, major questions about the domestication history of the olive remain unanswered. New paleobotanical, archeological, historical and molecular data have recently accumulated for olive, making it timely to carry out a critical re-evaluation of the biogeography of wild olives and the history of their cultivation. We review here the chronological history of wild olives and discuss the questions that remain unanswered, or even unasked, about their domestication history in the Mediterranean Basin. We argue that more detailed ecological genomics studies of wild and cultivated olives are crucial to improve our understanding of olive domestication. Multidisciplinary research integrating genomics, metagenomics and community ecology will make it possible to decipher the evolutionary ecology of one of the most iconic domesticated fruit trees worldwide. Conclusion The olive is a relevant model for improving our knowledge of domestication processes in clonally propagated perennial crops, particularly those of the Mediterranean Basin. Future studies on the ecological and genomic shifts linked to domestication in olive and its associated community will provide insight into the phenotypic and molecular bases of crop adaptation to human uses.