Comprehensive Analysis of Transcriptome and Metabolome Reveals the Flavonoid Metabolic Pathway Is Associated with Fruit Peel Coloration of Melon

文献类型： 外文期刊

第一作者： Zhang, Aiai

作者： Zhang, Aiai;Zheng, Jing;Chen, Xuemiao;Shi, Xueyin;Wang, Huaisong;Fu, Qiushi

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关键词： melon; fruit peel color; transcriptome; metabolome; flavonoid biosynthesis

期刊名称：MOLECULES （ 影响因子：3.267； 五年影响因子：3.589 ）

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年卷期： 2021 年 26 卷 9 期

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收录情况： SCI

摘要： The peel color is an important external quality of melon fruit. To explore the mechanisms of melon peel color formation, we performed an integrated analysis of transcriptome and metabolome with three different fruit peel samples (grey-green 'W', dark-green 'B', and yellow 'H'). A total of 40 differentially expressed flavonoids were identified. Integrated transcriptomic and metabolomic analyses revealed that flavonoid biosynthesis was associated with the fruit peel coloration of melon. Twelve differentially expressed genes regulated flavonoids synthesis. Among them, nine (two 4CL, F3H, three F3 ' H, IFS, FNS, and FLS) up-regulated genes were involved in the accumulation of flavones, flavanones, flavonols, and isoflavones, and three (2 ANS and UFGT) down-regulated genes were involved in the accumulation of anthocyanins. This study laid a foundation to understand the molecular mechanisms of melon peel coloration by exploring valuable genes and metabolites.

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