Expression of flavonoid genes in the red grape berry of 'Alicante Bouschet' varies with the histological distribution of anthocyanins and their chemical composition.

Planta
Luigi FalginellaSimone D Castellarin

Abstract

The mature berry of Vitis vinifera 'Alicante Bouschet' is entirely red, but anthocyanin metabolism discloses elements of histological discontinuity. This provides an experimental system amenable to studies of compartmentalised secondary metabolism in a fleshly fruit. We compared microscopy of fixed berry sections and chemical composition of anthocyanin extracts with the expression of 41 flavonoid genes in three berry tissues. In the pericarp, anthocyanins formed membrane-encased spherical coalescences that gradually enlarged and were shuttled into the vacuolar system. The size and the intensity of in situ pigmentation and of colour extracts of anthocyanin vesicles all decreased with depth beneath the epidermis. Shades of red colour, and the quantity and types of anthocyanins in skin, flesh, and seed extracts were correlated with differences in the expression of flavonoid 3',5'-hydroxylases and anthocyanin genes encoding transcription factors, enzymatic proteins, and transporters. Fine adjustments in the global transcriptional modulation of the pathway occurred distinctively in each tissue, within four groups of co-expressed genes that were more associated with either the pericarp or the seed, and with either early or late-ripen...Continue Reading

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Citations

Sep 14, 2013·International Journal of Molecular Sciences·António TeixeiraHernâni Gerós
Nov 29, 2013·Journal of Experimental Botany·Nathalie KuhnSerge Delrot
Dec 26, 2015·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Sha XieZhumei Xi
May 11, 2016·Plant Physiology and Biochemistry : PPB·Huiling WangHaiying Xu
Sep 25, 2009·Journal of Proteomics·Vera MuccilliSalvatore Foti
Aug 26, 2018·Physiologia Plantarum·Jinggui FangMostafa Abdelrahman
Apr 30, 2019·The Plant Journal : for Cell and Molecular Biology·Gabriele MagrisMichele Morgante
Sep 29, 2020·Frontiers in Plant Science·Sara Durán-SoriaJosé G Vallarino
Apr 4, 2021·International Journal of Molecular Sciences·Giorgio GambinoIvana Gribaudo
Apr 9, 2021·Frontiers in Plant Science·Markus RienthSimone Diego Castellarin
Mar 1, 2019·G3 : Genes - Genomes - Genetics·Andrea MinioDario Cantu
Aug 31, 2017·Journal of Agricultural and Food Chemistry·Paolo SivilottiAndreja Vanzo

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