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Ancient genomes reveal early Andean farmers selected common beans while preserving diversity

dc.creatorTrucchi, Emiliano
dc.creatorBenazzo, Andrea
dc.creatorLari, Martina
dc.creatorIob, Alice
dc.creatorVai, Stefania
dc.creatorNanni, Laura
dc.creatorBellucci, Elisa
dc.creatorBitocchi, Elena
dc.creatorRaffini, Francesca
dc.creatorXu, Chunming
dc.creatorJackson, Scott A.
dc.creatorLema, Veronica Soledad
dc.creatorBabot, Maria del Pilar
dc.creatorOliszewski, Nurit
dc.creatorGil, Adolfo Fabian
dc.creatorNeme, Gustavo Adolfo
dc.creatorMichieli, Catalina Teresa
dc.creatorDe Lorenzi, Mónica
dc.creatorCalcagnile, Lucio
dc.creatorCaramelli, David
dc.creatorStar, Bastiaan
dc.creatorde Boer, Hugo
dc.creatorBoessenkool, Sanne
dc.creatorPapa, Roberto
dc.creatorBertorelle, Giorgio
dc.date2021-02-08
dc.date.accessioned2022-04-15T01:55:42Z
dc.date.available2022-04-15T01:55:42Z
dc.identifierhttp://hdl.handle.net/11336/142921
dc.identifierTrucchi, Emiliano; Benazzo, Andrea; Lari, Martina; Iob, Alice; Vai, Stefania; et al.; Ancient genomes reveal early Andean farmers selected common beans while preserving diversity; Nature; Nature Plants; 7; 2; 8-2-2021; 123-128
dc.identifier2055-0278
dc.identifierCONICET Digital
dc.identifierCONICET
dc.identifier.urihttp://suquia.ffyh.unc.edu.ar/handle/11336/142921
dc.descriptionAll crops are the product of a domestication process that started less than 12,000 years ago from one or more wild populations1,2. Farmers selected desirable phenotypic traits (such as improved energy accumulation, palatability of seeds and reduced natural shattering3) while leading domesticated populations through several more or less gradual demographic contractions2,4. As a consequence, the erosion of wild genetic variation5 is typical of modern cultivars, making them highly susceptible to pathogens, pests and environmental change6,7. The loss of genetic diversity hampers further crop improvement programmes to increase food production in a changing world, posing serious threats to food security8,9. Using both ancient and modern seeds, we analysed the temporal dynamics of genetic variation and selection during the domestication process of the common bean (Phaseolus vulgaris) in the southern Andes. Here, we show that most domestic traits were selected for before 2,500 years ago, with no or only minor loss of whole-genome heterozygosity. In fact, most of the changes at coding genes and linked regions that differentiate wild and domestic genomes are already present in the ancient genomes analysed here, and all ancient domestic genomes dated between 600 and 2,500 years ago are highly variable (at least as variable as modern genomes from the wild). Single seeds from modern cultivars show reduced variation when compared with ancient seeds, indicating that intensive selection within cultivars in the past few centuries probably partitioned ancestral variation within different genetically homogenous cultivars. When cultivars from different Andean regions are pooled, the genomic variation of the pool is higher than that observed in the pool of ancient seeds from north and central western Argentina. Considering that most desirable phenotypic traits are probably controlled by multiple polymorphic genes10, a plausible explanation of this decoupling of selection and genetic erosion is that early farmers applied a relatively weak selection pressure2 by using many phenotypically similar but genetically diverse individuals as parents. Our results imply that selection strategies during the past few centuries, as compared with earlier times, more intensively reduced genetic variation within cultivars and produced further improvements by focusing on a few plants carrying the traits of interest, at the cost of marked genetic erosion within Andean landraces.
dc.descriptionFil: Trucchi, Emiliano. Università di Ferrara; Italia
dc.descriptionFil: Benazzo, Andrea. Università di Ferrara; Italia
dc.descriptionFil: Lari, Martina. Università di Ferrara; Italia
dc.descriptionFil: Iob, Alice. Università di Ferrara; Italia
dc.descriptionFil: Vai, Stefania. University of Florence; Italia
dc.descriptionFil: Nanni, Laura. Marche Polytechnic University; Italia
dc.descriptionFil: Bellucci, Elisa. Marche Polytechnic University; Italia
dc.descriptionFil: Bitocchi, Elena. Marche Polytechnic University; Italia
dc.descriptionFil: Raffini, Francesca. Università di Ferrara; Italia
dc.descriptionFil: Xu, Chunming. Georgia State University; Estados Unidos
dc.descriptionFil: Jackson, Scott A.. Georgia State University; Estados Unidos
dc.descriptionFil: Lema, Veronica Soledad. Universidad Nacional de Córdoba; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.descriptionFil: Babot, Maria del Pilar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto Superior de Estudios Sociales. Universidad Nacional de Tucumán. Instituto Superior de Estudios Sociales; Argentina
dc.descriptionFil: Oliszewski, Nurit. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto Superior de Estudios Sociales. Universidad Nacional de Tucumán. Instituto Superior de Estudios Sociales; Argentina
dc.descriptionFil: Gil, Adolfo Fabian. Universidad Tecnologica Nacional. Facultad Reg.san Rafael. Instituto de Evolucion, Ecologia Historica y Ambiente. - Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Mendoza. Instituto de Evolucion, Ecologia Historica y Ambiente.; Argentina
dc.descriptionFil: Neme, Gustavo Adolfo. Universidad Tecnologica Nacional. Facultad Reg.san Rafael. Instituto de Evolucion, Ecologia Historica y Ambiente. - Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Mendoza. Instituto de Evolucion, Ecologia Historica y Ambiente.; Argentina
dc.descriptionFil: Michieli, Catalina Teresa. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Investigaciones Arqueológicas y Museo "Mariano Gambier"; Argentina
dc.descriptionFil: De Lorenzi, Mónica. Museo Arqueológico de Cachi; Argentina
dc.descriptionFil: Calcagnile, Lucio. University of Salento; Italia
dc.descriptionFil: Caramelli, David. University of Florence; Italia
dc.descriptionFil: Star, Bastiaan. University of Oslo; Noruega
dc.descriptionFil: de Boer, Hugo. University of Oslo. History Museum; Noruega
dc.descriptionFil: Boessenkool, Sanne. University of Oslo; Noruega
dc.descriptionFil: Papa, Roberto. Marche Polytechnic University; Italia
dc.descriptionFil: Bertorelle, Giorgio. Università di Ferrara; Italia
dc.formatapplication/pdf
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dc.formatapplication/pdf
dc.formatapplication/pdf
dc.languageeng
dc.publisherNature
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/10.1038/s41477-021-00848-7
dc.relationinfo:eu-repo/semantics/altIdentifier/url/https://www.nature.com/articles/s41477-021-00848-7
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subjectGENÓMICA
dc.subjectARQUEOBOTÁNICA
dc.subjectDOMESTICACIÓN
dc.subjectPHASEOLUS VULGARIS
dc.subjectNOROESTE ARGENTINO
dc.subjecthttps://purl.org/becyt/ford/1.6
dc.subjecthttps://purl.org/becyt/ford/1
dc.titleAncient genomes reveal early Andean farmers selected common beans while preserving diversity
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:ar-repo/semantics/artículo
dc.typeinfo:eu-repo/semantics/publishedVersion


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