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Communication

Detecting Introgressed Populations in the Iberian Endemic Centaurea podospermifolia through Genome Size

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Institut Botànic de Barcelona (IBB, CSIC-Ajuntament de Barcelona), Passeig del Migdia s.n., Parc de Montjuïc, Catalonia, 08038 Barcelona, Spain
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Royal Botanic Gardens, Kew, Richmond TW9 3AE, UK
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c/Mossèn Manyà 15, Catalonia, 43500 Tortosa, Spain
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Laboratori de Botànica, Unitat Associada al CSIC, Facultat de Farmàcia i Ciències de l’Alimentació, Institut de la Biodiversitat IRBio, Universitat de Barcelona, Av. Joan XXIII 27-31, Catalonia, 08028 Barcelona, Spain
*
Authors to whom correspondence should be addressed.
Academic Editor: Ana Maria Carvalho
Plants 2021, 10(8), 1492; https://doi.org/10.3390/plants10081492
Received: 22 June 2021 / Revised: 15 July 2021 / Accepted: 19 July 2021 / Published: 21 July 2021
(This article belongs to the Special Issue Advances in Genome Size Evolution of Plants)
Based on results from previous studies, populations of the Iberian endemic Centaurea podospermifolia north of the Ebro River are considered genetically pure, while those southward are introgressed, with genetic input from C. cephalariifolia. This phenomenon is particularly relevant, especially given both the endangered and protected status for the species, which can have consequences in how to best apply conservation strategies to maintain genetic resources in the species. The main goal of this study was to evaluate whether genome size assessments using flow cytometry can help distinguishing between pure, hybrid and introgressed populations, and hence become a powerful and cost-effective tool to complement comprehensive population genetic surveys. The results indicate that there are significant genome size differences between populations of C. podospermifolia, which are coincident with previous considerations of pure and introgressed populations. Given the simplicity and reproducibility of this technique, flow cytometry could become an effective tool for monitoring pure populations of this species and, indeed, become an integral part of the management plans that are mandatory for listed taxa. View Full-Text
Keywords: Centaurea cephalariifolia; Centaurea podospermifolia; Centaurea ×loscosii; conservation; genome size; hybridisation; introgression Centaurea cephalariifolia; Centaurea podospermifolia; Centaurea ×loscosii; conservation; genome size; hybridisation; introgression
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MDPI and ACS Style

Pellicer, J.; López-Pujol, J.; Aixarch, M.; Garnatje, T.; Vallès, J.; Hidalgo, O. Detecting Introgressed Populations in the Iberian Endemic Centaurea podospermifolia through Genome Size. Plants 2021, 10, 1492. https://doi.org/10.3390/plants10081492

AMA Style

Pellicer J, López-Pujol J, Aixarch M, Garnatje T, Vallès J, Hidalgo O. Detecting Introgressed Populations in the Iberian Endemic Centaurea podospermifolia through Genome Size. Plants. 2021; 10(8):1492. https://doi.org/10.3390/plants10081492

Chicago/Turabian Style

Pellicer, Jaume, Jordi López-Pujol, Marc Aixarch, Teresa Garnatje, Joan Vallès, and Oriane Hidalgo. 2021. "Detecting Introgressed Populations in the Iberian Endemic Centaurea podospermifolia through Genome Size" Plants 10, no. 8: 1492. https://doi.org/10.3390/plants10081492

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