Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 508793
Title Identification of loci affecting accumulation of secondary metabolites in tomato fruit of a Solanum lycopersicum × Solanum chmielewskii introgression line population
Author(s) Ballester Frutos, A.R.; Tikunov, Yury; Molthoff, Jos; Grandillo, Silvana; Viquez-Zamora, Marcela; Vos, Ric de; Maagd, Ruud A. de; Heusden, Sjaak van; Bovy, Arnaud G.
Source Frontiers in Plant Science 7 (2016). - ISSN 1664-462X
DOI https://doi.org/10.3389/fpls.2016.01428
Department(s) PRI Biodiversity and Breeding
PRI BIOS Applied Metabolic Systems
WUR Plant Breeding
WUR PB Breeding for Quality
Laboratory of Plant Breeding
PRI BIOS Plant Development Systems
EPS
Publication type Refereed Article in a scientific journal
Publication year 2016
Keyword(s) Alkaloids - Flavonoids - Introgression lines - QTL analysis - Tomato (Solanum lycopersicum)
Abstract

Semi-polar metabolites such as flavonoids, phenolic acids, and alkaloids are very important health-related compounds in tomato. As a first step to identify genes responsible for the synthesis of semi-polar metabolites, quantitative trait loci (QTLs) that influence the semi-polar metabolite content in red-ripe tomato fruit were identified, by characterizing fruits of a population of introgression lines (ILs) derived from a cross between the cultivated tomato Solanum lycopersicum and the wild species Solanum chmielewskii. By analyzing fruits of plants grown at two different locations, we were able to identify robust metabolite QTLs for changes in phenylpropanoid glycoconjugation on chromosome 9, for accumulation of flavonol glycosides on chromosome 5, and for alkaloids on chromosome 7. To further characterize the QTLs we used a combination of genome sequencing, transcriptomics and targeted metabolomics to identify candidate key genes underlying the observed metabolic variation.

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