Manganese sulfate application promotes berry flavonoid accumulation in Vitis vinifera cv. ‘Cabernet Sauvignon’ by regulating flavonoid metabolome and transcriptome profiles

Author:

Ren Ruihua1,Chen Huangzhao12,Xie Rui1,Yuan Haohao1,Xie Sha1,Zhang Zhenwen13ORCID

Affiliation:

1. College of Enology Northwest A&F University Yangling China

2. College of Food and Biological Engineering Henan University of Animal Husbandry and Economy Zhengzhou China

3. China Wine Industry Technology Institute, Zhongguancun Innovation Center Yinchuan China

Abstract

AbstractBACKGROUNDFlavonoids are vital for the development of high‐quality grapes and wine, and manganese deficiency decreases grape berry coloration. However, the effects and underlying mechanisms of action of manganese sulfate on grape metabolic profiles have not been adequately researched. In this study, three concentrations of manganese sulfate solutions, 0.5 μmol·L−1 (low, L), 5 μmol·L−1 (middle, M – the standard manganese concentration of Hoagland nutrient solution, control), and 1000 μmol·L−1 (high, H), were applied to the ‘Cabernet Sauvignon’ grapevine (Vitis vinifera L.) to explore the effect on berry composition.RESULTSManganese application improved manganese concentration effectively in grape organs. Furthermore, the concentrations of malvidin 3‐O‐(6‐O‐acetyl)‐glucoside, malvidin 3‐O‐glucoside, malvidin‐trans‐3‐O‐(6‐Op‐coumaryl)‐glucoside, and peonidin 3‐O‐(6‐O‐acetyl)‐glucoside increased significantly under H treatment. Weighted gene co‐expression network analysis (WGCNA) revealed that the structural genes (VvDFR, VvUFGT, and VvOMT) of flavonoid biosynthesis were upregulated under H treatment, and their transcription levels correlated positively with malvidin‐ and peonidin‐derived anthocyanin concentrations.CONCLUSIONSThis study suggested that manganese application regulates berry transcriptional and flavonoid metabolic profiles, providing a theoretical basis for improving the color of red grapes and wines. © 2023 Society of Chemical Industry.

Publisher

Wiley

Subject

Nutrition and Dietetics,Agronomy and Crop Science,Food Science,Biotechnology

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