Spanish Melon Landraces: Revealing Useful Diversity by Genomic, Morphological, and Metabolomic Analysis
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Otros documentos de la autoría: Beltran Arandes, Joaquin; Roselló, Salvador; Flores-León, Alejandro; Peréz Moro, Clara; Cebolla-Cornejo, Jaime; Picó, María Belén; Martí, Raúl
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Título
Spanish Melon Landraces: Revealing Useful Diversity by Genomic, Morphological, and Metabolomic AnalysisAutoría
Fecha de publicación
2022-06-28Editor
MDPICita bibliográfica
Flores-León, A.; Peréz Moro, C.; Martí, R.; Beltran, J.; Roselló, S.; Cebolla-Cornejo, J.; Picó, B. Spanish Melon Landraces: Revealing Useful Diversity by Genomic, Morphological, and Metabolomic Analysis. Int. J. Mol. Sci. 2022, 23, 7162. https://doi.org/ 10.3390/ijms23137162Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://www.mdpi.com/1422-0067/23/13/7162Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Spain is a secondary centre of the diversification of the melon (Cucumis melo L.), with
high diversity represented in highly appreciated landraces belonging to the Flexuosus and Ibericus
groups. A collection of 47 ... [+]
Spain is a secondary centre of the diversification of the melon (Cucumis melo L.), with
high diversity represented in highly appreciated landraces belonging to the Flexuosus and Ibericus
groups. A collection of 47 accessions of Flexuosus, Chate, Piel de Sapo, Tendral, Amarillo, Blanco, and
Rochet was analysed using a genotyping-by-sequencing (GBS) approach. A total of 66,971 quality
SNPs were identified. Genetic analysis differentiated Ibericus accessions and exotic materials (Ameri,
Momordica, Kachri, and Agrestis), while Flexuous accessions shared ancestry between them. Within
the Ibericus group, no clear genomic distinction could be identified for the different landraces
evaluated, with accessions of different landraces showing high genetic similarity. The morphological
characterization confirmed that the external colour and fruit shape had been used as recognition
patterns for Spanish melon landraces, but variability within a landrace exists. Differences were
found in the sugars and acid and volatile profiles of the materials. Flexuosus and Chate melons at
the immature commercial stage accumulated malic acid and low levels of hexoses, while Ibericus
melons accumulated high contents of sucrose and citric acid. Specific trends could be identified in
the Ibericus landraces. Tendral accumulated low levels of sugars and citric acid and high of malic
acid, maintaining higher firmness, Rochet reached higher levels of sugars, and Amarillo tended to
lower malic acid contents. Interestingly, high variability was found within landraces for the acidic
profile, offering possibilities to alter taste tinges. The main volatile organic compounds (VOCs) in
Flexuosus and Chate were aldehydes and alcohols, with clear differences between both groups. In
the Ibericus landraces, general trends for VOC accumulation could be identified, but, again, a high
level of variation exists. This situation highlights the necessity to develop depuration programs to
promote on-farm in situ conservation and, at the same time, offers opportunities to establish new
breeding program targets and to take advantage of these sources of variation. [-]
Publicado en
International Journal of Molecular Sciences. 2022, 23, 7162Datos relacionados
https://zenodo.org/record/6728047#.Y0k9-nbP2UkEntidad financiadora
Conselleria d’Educació, Investigació, Cultura i Esports (Generalitat Valenciana) | Universitat Politècnica de València
Código del proyecto o subvención
PROMETEO/2017/078 | PROMETEO/2021/072 | AGL2017-85563-C2-1-R-AR | PAID-01-19 | PAID-10-20
Título del proyecto o subvención
Programa de Ayudas de Investigación y Desarrollo
Derechos de acceso
© 2022 by the authors
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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