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Quantitative trait loci influencing pentacyclic triterpene composition in apple fruit peel

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Christeller, J. T., McGhie, T. K., Johnston, J. W., Carr, B. and Chagné, D. (2019) Quantitative trait loci influencing pentacyclic triterpene composition in apple fruit peel. Scientific Reports, 9 (1). p. 18501. ISSN 2045-2322

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Article Link: https://doi.org/10.1038/s41598-019-55070-5

Publisher URL: https://www.nature.com/articles/s41598-019-55070-5

Abstract

The chemical composition of pentacyclic triterpenes was analysed using a ‘Royal Gala’ x ‘Granny Smith’ segregating population in 2013 and 2015, using apple peels extracted from mature fruit at harvest and after 12 weeks of cold storage. In 2013, 20 compound isoforms from nine unique compound classes were measured for both treatments. In 2015, 20 and 17 compound isoforms from eight unique compound classes were measured at harvest and after cold storage, respectively. In total, 68 quantitative trait loci (QTLs) were detected on 13 linkage groups (LG). Thirty two and 36 QTLs were detected for compounds measured at harvest and after cold storage, respectively. The apple chromosomes with the most QTLs were LG3, LG5, LG9 and LG17. The largest effect QTL was for trihydroxy-urs-12-ene-28-oic acid, located on LG5; this was measured in 2015 after storage, and was inherited from the ‘Royal Gala’ parent (24.9% of the phenotypic variation explained).

Item Type:Article
Business groups:Horticulture and Forestry Science
Additional Information:Open access
Subjects:Science > Biology > Genetics > Quantitative genetics (esp. Quantitative Trait Loci (QTL) articles)
Agriculture > Agriculture (General) > Agricultural chemistry. Agricultural chemicals
Plant culture > Food crops
Plant culture > Fruit and fruit culture
Live Archive:23 Jan 2020 02:31
Last Modified:03 Sep 2021 16:45

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