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当前位置: 首页 > 文章 > Identification of key genes regulating the synthesis of quercetin derivatives in Rosa roxburghii through integrated transcriptomics and metabolomics 农业科学学报 (英文) 2024,23 (3)
Position: Home > Articles > Identification of key genes regulating the synthesis of quercetin derivatives in Rosa roxburghii through integrated transcriptomics and metabolomics Journal of Integrative Agriculture 2024,23 (3)

Identification of key genes regulating the synthesis of quercetin derivatives in Rosa roxburghii through integrated transcriptomics and metabolomics

作  者：
Su, Liyao;Wu, Min;Zhang, Tian;Zhong, Yan;Cheng, Zongming (Max)
单  位：
Nanjing Agr Univ, Coll Hort, State Key Lab Crop Genet & Germplasm Enhancement &, Nanjing 210095, Peoples R China
关键词：
Rosa roxburghii;quercetin derivatives;weighted gene co-expression network analysis;transcription factor;transcriptome;metabolome
摘  要：
Rosa roxburghii fruit is rich in flavonoids, but little is known about their biosynthetic pathways. In this study, we employed transcriptomics and metabolomics to study changes related to the flavonoids at five different stages of R . roxburghii fruit development. Flavonoids and the genes related to their biosynthesis were found to undergo significant changes in abundance across different developmental stages, and numerous quercetin derivatives were identified. We found three gene expression modules that were significantly associated with the abundances of the different flavonoids in R . roxburghii and identified three structural UDP-glycosyltransferase genes directly involved in the synthesis of quercetin derivatives within these modules. In addition, we found that RrBEH4 , RrLBD1 and RrPIF8 could significantly increase the expression of downstream quercetin derivative biosynthesis genes. Taken together, these results provide new insights into the metabolism of flavonoids and the accumulation of quercetin derivatives in R . roxburghii .

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