Thorough characterization of ETHQB3.5, a QTL involved in melon fruit climacteric behavior and aroma volatile composition
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Dos Santos Carrillo, Noelia; Bueso Sánchez, María del Carmen; Díaz, Aurora; Moreno, Eduard; Garcia-Mass, Jordi; [et al.]Área de conocimiento
Tecnología de los alimentosPatrocinadores
This research was supported by the Ministry of Innovation and Science (at present, Ministry of Economy and Competitiveness) and Regional Development of European Union FEDER funds (AGL2010-20858, AGL2012-40130-C02-02, AGL2003-09175-C02-01, and AGL2003-09175-C02- 02), Fundación Séneca de la Región de Murcia (projects 11784/PI/09, 05676/PI/07 and 00620/PI/04), and Consejería de Educación de la Región de Murcia (BIO-AGR06/02-0011). N. Dos-Santos was supported by an FPU-MEC AP2006-01565 fellowship (Ministry of Education, Spain). A. Díaz was supported by a JAE-Doc contract from CSIC.Fecha de publicación
2023-01-13Editorial
MDPICita bibliográfica
Dos-Santos N, Bueso MC, Díaz A, Moreno E, Garcia-Mas J, Monforte AJ, Fernández-Trujillo JP. Thorough Characterization of ETHQB3.5, a QTL Involved in Melon Fruit Climacteric Behavior and Aroma Volatile Composition. Foods. 2023; 12(2):376. https://doi.org/10.3390/foods12020376Revisión por pares
siPalabras clave
Candidate genesCucumis melo L.
Ethylene production
Fruit quality
Near-isogenic lines
Respiration rate
Quantitative trait loci
Volatile organic compounds
Resumen
The effect of the QTL involved in climacteric ripening ETHQB3.5 on the fruit VOC composition was studied using a set of Near-Isogenic Lines (NILs) containing overlapping introgressions from the Korean accession PI 16375 on the chromosome 3 in the climacteric ‘Piel de Sapo’ (PS) genetic background. ETHQB3.5 was mapped in an interval of 1.24 Mb that contained a NAC transcription factor. NIL fruits also showed differences in VOC composition belonging to acetate esters, non-acetate esters, and sulfur-derived families. Cosegregation of VOC composition (23 out of 48 total QTLs were mapped) and climacteric ripening was observed, suggesting a pleiotropic effect of ETHQB3.5. On the other hand, other VOCs (mainly alkanes, aldehydes, and ketones) showed a pattern of variation independent of ETHQB3.5 effects, indicating the presence of other genes controlling non-climacteric ripening VOCs. Network correlation analysis and hierarchical clustering found groups of highly correlated compounds and confirmed ...
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