Anthocyanin biosynthesis is differentially regulated by light in the skin and flesh of white-fleshed and teinturier grape berries

Planta
Le GuanSerge Delrot

Abstract

Light exclusion reduces the concentration and modifies the composition of grape anthocyanins, by altering the expression of genes involved in anthocyanin biosynthesis and transport, in a cultivar- and tissue-specific manner. Unlike most grapes, teinturier grapes accumulate anthocyanins both in skin and flesh. However, the concentration and composition of anthocyanins in both tissues differ, providing a valuable system to study tissue-specific regulation of anthocyanin synthesis. Furthermore, little is known about the mechanisms controlling the sensitivity of anthocyanin accumulation to light. Here, light was excluded from Gamay (white-fleshed) and Gamay Fréaux (teinturier mutant) berries throughout berry development. Under light-exposed conditions, the skin of Gamay Fréaux accumulated the highest level of anthocyanins, followed by the skin of Gamay, while the pulp of Gamay Fréaux had much lower anthocyanins than the skins. Network analysis revealed the same order on the number of significant correlations among metabolites and transcripts in the three colored tissues, indicating a higher connectivity that reflects a higher efficiency of the anthocyanin pathway. Compared to light conditions, light exclusion reduced the total amou...Continue Reading

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Citations

Nov 5, 2016·Plant Physiology and Biochemistry : PPB·María-Ángeles Del-Castillo-AlonsoEncarnación Núñez-Olivera
Nov 1, 2016·Journal of Agricultural and Food Chemistry·María Ángeles Del-Castillo-AlonsoEncarnación Núñez-Olivera
Apr 4, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Yunting ZhangHaoru Tang
Aug 26, 2018·Physiologia Plantarum·Jinggui FangMostafa Abdelrahman
Dec 7, 2019·International Journal of Molecular Sciences·Weifeng ChenFengwang Ma
Jan 10, 2019·Horticulture Research·Yongyan PengAndrew C Allan
Jan 23, 2021·Foods·María Eugenia Romero-RománMaría Dolores López-Belchi
Apr 9, 2021·Frontiers in Plant Science·Markus RienthSimone Diego Castellarin
Jul 31, 2021·Journal of the Science of Food and Agriculture·Peipei WangXiangpeng Leng
Aug 10, 2018·Journal of Agricultural and Food Chemistry·Kekun ZhangJinggui Fang

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