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Genetic dissection of aroma biosynthesis in melon and its relationship with climacteric ripening
Year:
2021
Source of publication :
Food Chemistry
Authors :
Bar, Einat
;
.
Lewinsohn, Efraim
;
.
Volume :
Co-Authors:

Carlos Mayobre 
Lara Pereira 
Abdelali Eltahiri
Einat Bar  
Efraim Lewinsohn 
Jordi Garcia-Mas 
Marta Pujol          

Facilitators :
From page:
0
To page:
0
(
Total pages:
1
)
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) × 'Védrantais' (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.

Note:
Related Files :
Aroma
Climacteric ripening
Cucumis melo L.
GC–MS
QTL mapping
VOCs
Show More
Related Content
More details
DOI :
10.1016/j.foodchem.2021.129484
Article number:
0
Affiliations:
Database:
PubMed
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
54629
Last updated date:
02/03/2022 17:27
Creation date:
21/04/2021 17:07
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Scientific Publication
Genetic dissection of aroma biosynthesis in melon and its relationship with climacteric ripening

Carlos Mayobre 
Lara Pereira 
Abdelali Eltahiri
Einat Bar  
Efraim Lewinsohn 
Jordi Garcia-Mas 
Marta Pujol          

Genetic dissection of aroma biosynthesis in melon and its relationship with climacteric ripening

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) × 'Védrantais' (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.

Scientific Publication
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