Unlocking Spanish pear genetic diversity: strategies for construction of a national core collection

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dc.contributor.authorIrisarri, Patricia
dc.contributor.authorUrrestarazu Vidart, Jorge
dc.contributor.authorRamos-Cabrer, Ana
dc.contributor.authorPereira-Lorenzo, Santiago
dc.contributor.authorVelázquez-Barrera, María Encarnación
dc.contributor.authorDíaz-Hernández, María Belén
dc.contributor.authorDapena, Enrique
dc.contributor.authorUrbina, Valero
dc.contributor.authorDalmases, Josep
dc.contributor.authorRíos-Mesa, Domingo
dc.contributor.authorCrespo Martínez, Sara
dc.contributor.authorLoidi Erviti, Maite
dc.contributor.authorSantesteban García, Gonzaga
dc.contributor.authorAscasíbar-Errasti, Javier
dc.contributor.authorErrea, Pilar
dc.contributor.authorMiranda Jiménez, Carlos
dc.contributor.authorPina, Ana
dc.contributor.departmentAgronomía, Biotecnología y Alimentaciónes_ES
dc.contributor.departmentAgronomia, Bioteknologia eta Elikaduraeu
dc.contributor.departmentInstitute for Multidisciplinary Research in Applied Biology - IMABen
dc.date.accessioned2025-03-11T11:24:51Z
dc.date.available2025-03-11T11:24:51Z
dc.date.issued2024-11-04
dc.date.updated2025-03-11T11:15:25Z
dc.description.abstractSpanish pear germplasm collections are crucial for preservation, research, and breeding efforts. However, genetic diversity and structure is unknown at national level. A coordinated national project analyzed 1251 accessions from 7 Spanish pear collections using an internationally recognized set of 14 SSRs to enhance the utilization of these collections. Key findings included the identification of 760 unique genotypes (490 diploids and 270 triploids). Notably, genotypes represented by a single accession accounted for 49% of the total, indicating high vulnerability of this material. Using a Bayesian clustering method revealed two main genetic groups, G1 containing most foreign cultivars and G2 retaining local Spanish cultivars, which were further divided into two other subgroups using a nested approach, revealing moderate but significant differentiation among them. The populations were renamed according to the origin of the reference samples assigned to each group as 'South' (G1.1), 'Western Europe-1' (G1.2), 'Western Europe-2' (G2.1) and 'No-Pyrus communis' (G2.2). The results led to the creation of a 'generalist' collection, aiming to maximize genetic diversity representativeness, starting with 68 genotypes but expanding to 111 to achieve better allele recovery. This core collection is a valuable resource for genetic studies and conservation, enhancing efforts to preserve pear biodiversity.en
dc.description.sponsorshipThis research was funded by Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), grant numbers RTA2015-00052-C02-02 and RFP2015-00015-00-00, and the Gobierno de Aragon-European Social Fund, European Union (Grupo Consolidado A12).
dc.format.mimetypeapplication/pdfen
dc.identifier.citationIrisarri, P., Urrestarazu, J., Ramos-Cabrer, A., Pereira-Lorenzo, S., Velázquez-Barrera, M. E., Díaz-Hernández, M. B., Dapena, E., Urbina, V., Dalmases, J., Ríos-Mesa, D., Crespo-Martínez, S., Loidi, M., Santesteban, L. G., Ascasíbar-Errasti, J., Errea, P., Miranda, C., Pina, A. (2024). Unlocking Spanish pear genetic diversity: strategies for construction of a national core collection. Scientific Reports, 14, 1-14. https://doi.org/10.1038/s41598-024-77532-1.
dc.identifier.doi10.1038/s41598-024-77532-1
dc.identifier.issn2045-2322
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/53707
dc.language.isoeng
dc.publisherSpringer Nature
dc.relation.ispartofScientific reports (2024), vol. 14, núm. 26555
dc.relation.projectIDinfo:eu-repo/grantAgreement///RTA2015-00052-C02-02/
dc.relation.projectIDinfo:eu-repo/grantAgreement///RFP2015-00015-00-00/
dc.relation.publisherversionhttps://doi.org/10.1038/s41598-024-77532-1
dc.rights© The Author(s) 2024. This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectBiodiversityen
dc.subjectConservationen
dc.subjectCore collectionen
dc.subjectGenebank managementen
dc.subjectMicrosatellite (SSRs)en
dc.subjectPyrusen
dc.titleUnlocking Spanish pear genetic diversity: strategies for construction of a national core collectionen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/acceptedVersion
dspace.entity.typePublication
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