期刊
MOLECULES
卷 26, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/molecules26092830
关键词
melon; fruit peel color; transcriptome; metabolome; flavonoid biosynthesis
资金
- National Key Research and Development Program of China [2020YFD1000300]
- China Agriculture Research System of Watermelon and Melon [CARS-25]
- Chinese Academy of Agricultural Sciences (CAAS-ASTIP-IVFCAAS)
The study used transcriptome and metabolome analysis to reveal the association between flavonoid biosynthesis and melon peel coloration, identifying 12 genes that regulate flavonoid synthesis. Based on different melon peel samples, the study laid a foundation for understanding the molecular mechanisms of melon peel coloration by exploring valuable genes and metabolites.
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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