Flavonoid profiling and transcriptome analysis reveals new gene-metabolite correlations in tubers of Solanum tuberosum L.

Journal of Experimental Botany
Cecil StushnoffMark A Taylor

Abstract

Anthocyanin content of potato tubers is a trait that is attracting increasing attention as the potential nutritional benefits of this class of compound become apparent. However, our understanding of potato tuber anthocyanin accumulation is not complete. The aim of this study was to use a potato microarray to investigate gene expression patterns associated with the accumulation of purple tuber anthocyanins. The advanced potato selections, CO97216-3P/PW and CO97227-2P/PW, developed by conventional breeding procedures, produced tubers with incomplete expression of tuber flesh pigmentation. This feature permits sampling pigmented and non-pigmented tissues from the same tubers, in essence, isolating the factors responsible for pigmentation from confounding genetic, environmental, and developmental effects. An examination of the transcriptome, coupled with metabolite data from purple pigmented sectors and from non-pigmented sectors of the same tuber, was undertaken to identify these genes whose expression correlated with elevated or altered polyphenol composition. Combined with a similar study using eight other conventional cultivars and advanced selections with different pigmentation, it was possible to produce a refined list of onl...Continue Reading

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Citations

Feb 1, 2011·Journal of Experimental Botany·Imène HichriVirginie Lauvergeat
Oct 8, 2013·Journal of Experimental Botany·Raja S PayyavulaDuroy A Navarre
Jun 27, 2014·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Raymond CampbellMark A Taylor
Mar 20, 2016·Plant Science : an International Journal of Experimental Plant Biology·Mostafa AbdelrahmanLam-Son Phan Tran
Jan 7, 2016·Journal of Experimental Botany·Kyoungwon ChoMyung Hee Nam
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May 8, 2014·Food Science & Nutrition·Leslie TejedaBjörn Bergenståhl
Sep 18, 2012·Food Chemistry·Hannah DeusserDanièle Evers
Nov 20, 2016·Molecular Plant Pathology·Begoña Águila-ClaresGeorge W Sundin
Apr 26, 2019·Journal of Experimental Botany·Yuhui LiuAndrew C Allan
Jun 28, 2018·Plant Foods for Human Nutrition·C TsangE A S Al-Dujaili
Jan 9, 2019·Frontiers in Plant Science·Nicola BonarCsaba Hornyik
Oct 12, 2021·Journal of Agricultural and Food Chemistry·Suwen LuJinggui Fang

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Datasets Mentioned

BETA
E-TABM-788

Methods Mentioned

BETA
transgenic
glycosylation
chip
Feature Extraction
PCR

Software Mentioned

Xcalibur
GeneSpring
Agilent Feature Extraction
Agilent Two - Color Microarray - Based Gene Expression Analysis
GenStat

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