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Transcriptome and metabolome reveal the effects of three canopy types on the flavonoids and phenolic acids in ?Merlot? (Vitis vinifera L.) berry pericarp

文献类型： 外文期刊

作者： Han, Shou-An 1 ; Xie, Hui 1 ; Wang, Min 1 ; Zhang, Jun-Gao 3 ; Xu, Yu-Hui 5 ; Zhu, Xue-Hui 1 ; Caikasimu, Aiermaike 1 ; Zhou, Xue-Wei 1 ; Mai, Si-Le 1 ; Pan, Ming-Qi 1 ; Zhang, Wen 1 ;

作者机构： 1.Xinjiang Acad Agr Sci, Inst Hort Crops, Urumqi 830001, Xinjiang, Peoples R China

2.Minist Agr & Rural Affairs, Sci Observing & Expt Stn Pomol Xinjiang, Urumqi 830000, Xinjiang, Peoples R China

3.Xinjiang Crop Chem Regulat Engn Technol Res Ctr, Urumqi 830091, Xinjiang, Peoples R China

4.Inst Nucl Technol, Biotechnol Xinjiang Acad Agr Sci, Urumqi 830001, Xinjiang, Peoples R China

5.Adsen Biotechnol Co Ltd, Urumqi 830000, Xinjiang, Peoples R China

6.Key Lab Hort Crop Genom Res & Genet Improvement Xi, Urumqi, Peoples R China

关键词： Comparative transcriptomic; Flavones; Grape skin; Phenols; Vine shape

期刊名称：FOOD RESEARCH INTERNATIONAL （ 影响因子：7.425； 五年影响因子：7.716 ）

ISSN： 0963-9969

年卷期： 2023 年 163 卷

页码：

收录情况： SCI

摘要： The flavonoids and phenolic acids in grape berries greatly influence the quality of wine. Various methods are used to shape and prune grapevines, but their effects on the flavonoids and phenolic acids remain unclear. The flavonoids and phenolic acids in the berry pericarps from grapevines pruned using three types of leaf canopy, namely, V-shaped, T-shaped, and vertical shoot-positioned (VSP) canopies, were compared in this study. Results showed that the V-shaped canopy was more favorable for the accumulation of flavonoids and phenolic acids. Transcriptome and metabolome analyses revealed that the differentially expressed genes (DEGs) and differen-tially regulated metabolites (DRMs) were significantly enriched in the flavonoid and phenylpropanoid biosyn-thesis pathways. A total of 96 flavonoids and 32 phenolic acids were detected among the DRMs. Their contents were higher in the V-shaped canopy than in the T-shaped and VSP canopies. Conjoint analysis of transcriptome and metabolome showed that nine DEGs (e.g., cytochrome P450 98A9 and 98A2) were significantly correlated to nine phenolic acids (e.g., gentisic acid and neochlorogenic acid) and three genes (i.e., chalcone isomerase, UDP-glycosyltransferase 88A1, and caffeoyl-CoA O-methyltransferase) significantly correlated to 15 flavonoids (e.g., baimaside and tricin-7-O-rutinoside). These genes may be involved in the regulation of various flavonoids and phenolic acids in grape berries, but their functions need validation. This study provides novel insights into the effects of leaf canopy on flavonoids and phenolic acids in the skin of grape berries and reveals the potential regulatory networks involved in this phenomenon.

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