Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/7811
Title: Exploring wild alleles from Solanum pimpinellifolium with the potential to improve tomato flavor compounds
Authors: Çolak, Nergiz Gürbüz
Eken, Neslihan Tek
Ülger, Mehmet
Frary, Anne
Doğanlar, Sami
Keywords: Flavor
Organic acids
QTL
S. pimpinellifolium LA 1589
Sugar
Issue Date: 2020
Publisher: Elsevier Ltd.
Abstract: Most consumers complain about the flavor of current tomato cultivars and many pay a premium for alternatives such as heirloom varieties. Breeding for fruit flavor is difficult because it is a quantitatively inherited trait influenced by taste, aroma and environmental factors. A lack of genetic diversity in modern tomato cultivars also necessitates exploration of new sources for flavor alleles. Wild tomato S. pimpinellifolium and inbred backcross lines were assessed for individual sugars and organic acids which are two of the main components of tomato flavor. S. pimpinellifolium was found to harbor alleles that could be used to increase glucose and fructose content and adjust acidity by altering malic and citric acid levels. Single nucleotide polymorphism markers were used to detect 14 quantitative trait loci (QTLs) for sugars and 71 for organic acids. Confirmation was provided by comparing map locations with previously identified loci. Thus, seven (50 %) of the sugar QTLs and 22 (31 %) of the organic acids loci were supported by analyses in other tomato populations. Examination of the genomic sequence containing the QTLs allowed identification of potential candidate genes for several flavor components. © 2020 Elsevier B.V.
URI: https://doi.org/10.1016/j.plantsci.2020.110567
https://hdl.handle.net/11147/7811
ISSN: 0168-9452
1873-2259
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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