Web of Science: 75 cites, Scopus: 83 cites, Google Scholar: cites,
Whole-genome analysis of diversity and SNP-Major gene association in peach germplasm
Micheletti, Diego (Centre de Recerca en Agrigenòmica)
Dettori, Maria Teresa (Centro di Ricerca per la Frutticoltura)
Micali, Sabrina (Centro di Ricerca per la Frutticoltura)
Aramini, Valeria (Centro di Ricerca per la Frutticoltura)
Pacheco, Igor (Università degli Studi di Milano. Dipartimento di Scienze Agrarie e Ambientali)
Da Silva Linge, Cassia (Università degli Studi di Milano. Dipartimento di Scienze Agrarie e Ambientali)
Foschi, Stefano (Centro Ricerche Produzioni Vegetali)
Banchi, Elisa (Fondazione Edmund Mach. Centro Ricerca e Innovazione)
Barreneche, Teresa (Institut national de la recherche agronomique (França). Biologie du Fruit et Pathologie)
Quilot-Turion, Bénédicte (Institut national de la recherche agronomique (França). Génétique et Amélioration des Fruits et Légumes)
Lambert, Patrick (Institut national de la recherche agronomique (França). Génétique et Amélioration des Fruits et Légumes)
Pascal, Thierry (Institut national de la recherche agronomique (França). Génétique et Amélioration des Fruits et Légumes)
Iglesias, Ignasi (Institut de Recerca i Tecnologia Agroalimentàries)
Carbó Pericay, Joaquim (Institut de Recerca i Tecnologia Agroalimentàries)
Wang, Li-rong (Zhengzhou Fruit Research Institute)
Ma, Rui-juan (Jiangsu Academy of Agricultural Sciences)
Li, Xiong-wei (Zhejiang University. Department of Horticulture)
Gao, Zhong-shan (Zhejiang University. Department of Horticulture)
Nazzicari, Nelson (Parco Tecnologico Padano)
Troggio, Michela (Fondazione Edmund Mach. Centro Ricerca e Innovazione)
Bassi, Daniele (Università degli Studi di Milano. Dipartimento di Scienze Agrarie e Ambientali)
Rossini, Laura (Università degli Studi di Milano. Dipartimento di Scienze Agrarie e Ambientali)
Verde, Ignazio (Centro di Ricerca per la Frutticoltura)
Laurens, François (Institut national de la recherche agronomique (França). Institut de Recherche en Horticulture et Semences)
Arús i Gorina, Pere (Centre de Recerca en Agrigenòmica)
Aranzana, Maria José (Centre de Recerca en Agrigenòmica)

Data: 2015
Resum: Peach was domesticated in China more than four millennia ago and from there it spread world-wide. Since the middle of the last century, peach breeding programs have been very dynamic generating hundreds of new commercial varieties, however, in most cases such varieties derive from a limited collection of parental lines (founders). This is one reason for the observed low levels of variability of the commercial gene pool, implying that knowledge of the extent and distribution of genetic variability in peach is critical to allow the choice of adequate parents to confer enhanced productivity, adaptation and quality to improved varieties. With this aim we genotyped 1,580 peach accessions (including a few closely related Prunus species) maintained and phenotyped in five germplasm collections (four European and one Chinese) with the International Peach SNP Consortium 9K SNP peach array. The study of population structure revealed the subdivision of the panel in three main populations, one mainly made up of Occidental varieties from breeding programs (POP1OCB), one of Occidental landraces (POP2OCT) and the third of Oriental accessions (POP3OR). Analysis of linkage disequilibrium (LD) identified differential patterns of genome-wide LD blocks in each of the populations. Phenotypic data for seven monogenic traits were integrated in a genome-wide association study (GWAS). The significantly associated SNPs were always in the regions predicted by linkage analysis, forming haplotypes of markers. These diagnostic haplotypes could be used for marker-assisted selection (MAS) in modern breeding programs.
Ajuts: European Commission 265582
Ministerio de Ciencia e Innovación AGL2012/40228-C02-01
Ministerio de Ciencia e Innovación INIA-RF2012/00024-C04-04
Drets: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Llengua: Anglès
Document: Article ; recerca ; Versió publicada
Publicat a: PloS one, Vol. 10, issue 9 (Setember 2015) , e0136803, ISSN 1932-6203

DOI: 10.1371/journal.pone.0136803
PMID: 26352671


19 p, 1.4 MB

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Documents de recerca > Documents dels grups de recerca de la UAB > Centres i grups de recerca (producció científica) > Ciències > CRAG (Centre de Recerca en Agrigenòmica)
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