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Food Chem

Title:		Genetic dissection of aroma biosynthesis in melon and its relationship with climacteric ripening
Author(s):		Mayobre C; Pereira L; Eltahiri A; Bar E; Lewinsohn E; Garcia-Mas J; Pujol M;
Address:		"Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Edifici CRAG, Campus UAB, 08193 Bellaterra, Barcelona, Spain. Department of Vegetable Crops, Newe Ya'ar Research Center, Agricultural Research Organization, Volcani Center, Ramat Yishay, Israel. Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Edifici CRAG, Campus UAB, 08193 Bellaterra, Barcelona, Spain; Institut de Recerca i Tecnologia Agroalimentaries (IRTA), Edifici CRAG, Campus UAB, 08193 Bellaterra, Barcelona, Spain. Electronic address: jordi.garcia@irta.cat. Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Edifici CRAG, Campus UAB, 08193 Bellaterra, Barcelona, Spain; Institut de Recerca i Tecnologia Agroalimentaries (IRTA), Edifici CRAG, Campus UAB, 08193 Bellaterra, Barcelona, Spain. Electronic address: marta.pujol@irta.cat"
Journal Title:		Food Chem
Year:		2021
Volume:		20210305
Issue:
Page Number:		129484 -
DOI:		10.1016/j.foodchem.2021.129484
ISSN/ISBN:		1873-7072 (Electronic) 0308-8146 (Linking)
Abstract:		"Aroma is an essential trait in melon fruit quality, but its complexity and genetic basis are still poorly understood. The aim of this study was the identification of quantitative trait loci (QTLs) underlying volatile organic compounds (VOCs) biosynthesis in melon rind and flesh, using a Recombinant Inbred Line (RIL) population from the cross 'Piel de Sapo' (PS) x 'Vedrantais' (VED), two commercial varieties segregating for ripening behavior. A total of 82 VOCs were detected by gas chromatography-mass spectrometry (GC-MS), and 166 QTLs were identified. The main QTL cluster was on chromosome 8, collocating with the previously described ripening-related QTL ETHQV8.1, with an important role in VOCs biosynthesis. QTL clusters involved in esters, lipid-derived volatiles and apocarotenoids were also identified, and candidate genes have been proposed for ethyl 3-(methylthio)propanoate and benzaldehyde biosynthesis. Our results provide genetic insights for deciphering fruit aroma in melon and offer new tools for flavor breeding"
Keywords:		"Chromosome Mapping Chromosomes, Plant/genetics Cucurbitaceae/chemistry/*genetics/metabolism Fruit/chemistry/genetics/metabolism Gas Chromatography-Mass Spectrometry Phenotype Principal Component Analysis *Quantitative Trait Loci Solid Phase Microextractio;"
Notes:		"MedlineMayobre, Carlos Pereira, Lara Eltahiri, Abdelali Bar, Einat Lewinsohn, Efraim Garcia-Mas, Jordi Pujol, Marta eng England 2021/04/04 Food Chem. 2021 Aug 15; 353:129484. doi: 10.1016/j.foodchem.2021.129484. Epub 2021 Mar 5"