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This research was supported by the grant RF2009-00015-00-00 from the Institute Nacional de Investigacion y Tecnologia Agraria y Alimentaria (INIA) and the Research Group A12 of Aragon, Spain.

Analysis of institutional authors

Errea, PilarAuthorPina, AnaCorresponding Author

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September 17, 2019
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Genetic diversity of Spanish Prunus domestica L. germplasm reveals a complex genetic structure underlying

Publicated to:Plos One. 13 (4): e0195591- - 2018-04-09 13(4), DOI: 10.1371/journal.pone.0195591

Authors: Urrestarazu, Jorge; Errea, Pilar; Miranda, Carlos; Santesteban, Luis G; Pina, Ana

Affiliations

Departamento de Producción Agraria, Universidad Pública de Navarra, Campus Arrosadia s/n, Pamplona, Spain. - Author
Unidad de Hortofruticultura, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Instituto Agroalimentario de Aragón-IA2 (CITA-Universidad de Zaragoza), Avda. Montañana, Zaragoza, Spain. - Author
Univ Publ Navarra, Dept Prod Agr, Campus Arrosadia S-N, Pamplona, Spain - Author
Univ Zaragoza, Ctr Invest & Tecnol Agroalimentaria Aragon CITA, IA2, Unidad Hortofruticultura,CITA, Avda Montanana, Zaragoza, Spain - Author

Abstract

European plum (Prunus domestica L.) is an ancient domesticated species cultivated in temperate areas worldwide whose genetic structure has been scarcely analyzed to date. In this study, a broad representation of Spanish European plum germplasm collected in Northeastern Spain and a representative set of reference cultivars were compared using nuclear and chloroplast markers. The number of alleles per locus detected with the SSR markers ranged from 8 to 39, with an average of 23.4 alleles, and 8 haplotypes were identified. Bayesian model-based clustering, minimum spanning networks, and the analysis of molecular variance showed the existence of a hierarchical structure. At the first level, two genetic groups were found, one containing 'Reine Claude' type reference cultivars altogether with ca. 25% of local genotypes, and a second one much more diverse. This latter group split in two groups, one containing most (ca. 70%) local genotypes and some old Spanish and French reference cultivars, whereas the other included 24 reference cultivars and only six local genotypes. A third partition level allowed a significant finer delineation into five groups. As a whole, the genetic structure of European plum from Northeastern Spain was shown to be complex and conditioned by a geographical proximity factor. This study not only contributes to genetic conservation and breeding for this species at the national level, but also supports the relevance of undertaking similar tasks of collection and characterization in other unexplored areas. Moreover, this kind of research could lead to future coordinated actions for the examination of the whole European plum diversity, to define conservation strategies, and could be used to better understand the genetic control of traits of horticultural interest through association mapping.

Keywords

AmplificationBayes theoremChloroplast dna variationCultivarsDna, chloroplastGenetic markersGenetic variationGenotypeHaplotypesHybridizationIdentificationMicrosatellite markersMicrosatellite repeatsMitochondrialModels, geneticPeachPersica l.PhenotypePhylogenyPhylogeographyPlant breedingPlum germplasmPrunus domesticaSpain

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Plos One due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2018, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Agricultural and Biological Sciences (Miscellaneous).

From a relative perspective, and based on the normalized impact indicator calculated from World Citations provided by WoS (ESI, Clarivate), it yields a value for the citation normalization relative to the expected citation rate of: 1.13. This indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: ESI Nov 14, 2024)

This information is reinforced by other indicators of the same type, which, although dynamic over time and dependent on the set of average global citations at the time of their calculation, consistently position the work at some point among the top 50% most cited in its field:

  • Weighted Average of Normalized Impact by the Scopus agency: 2.36 (source consulted: FECYT Feb 2024)
  • Field Citation Ratio (FCR) from Dimensions: 4.57 (source consulted: Dimensions Jul 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-07-11, the following number of citations:

  • WoS: 33
  • Scopus: 37
  • Europe PMC: 14

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-07-11:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 40.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 41 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 5.55.
  • The number of mentions on the social network X (formerly Twitter): 8 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.

Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (Urrestarazu, Jorge) and Last Author (Pina Sobrino, Ana).

the author responsible for correspondence tasks has been Pina Sobrino, Ana.