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Identification of key genes controlling soluble sugar and glucosinolate biosynthesis in Chinese cabbage by integrating metabolome and genome-wide transcriptome analysis

文献类型： 外文期刊

作者： Wang, Lixia 1 ; Zhang, Shu 1 ; Li, Jingjuan 1 ; Zhang, Yihui 1 ; Zhou, Dandan 1 ; Li, Cheng 1 ; He, Lilong 1 ; Li, Huayin 1 ; Wang, Fengde 1 ; Gao, Jianwei 1 ;

作者机构： 1.Shandong Acad Agr Sci, Inst Vegetables, Jinan, Peoples R China

2.Shandong Normal Univ, Coll Life Sci, Jinan, Peoples R China

关键词： soluble sugar; glucosinolate; metabolome analysis; transcriptome analysis; Chinese cabbage

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：6.627； 五年影响因子：7.255 ）

ISSN： 1664-462X

年卷期： 2022 年 13 卷

页码：

收录情况： SCI

摘要： IntroductionSoluble sugar and glucosinolate are essential components that determine the flavor of Chinese cabbage and consumer preferences. However, the underlying regulatory networks that modulate the biosynthesis of soluble sugar and glucosinolate in Chinese cabbage remain largely unknown. MethodsThe glucosinolate and carotene content in yellow inner-leaf Chinese cabbage were observed, followed by the combination of metabolome and transcriptome analysis to explore the metabolic basis of glucosinolate and soluble sugar. ResultsThis study observed high glucosinolate and carotene content in yellow inner-leaf Chinese cabbage, which showed a lower soluble sugar content. The differences between the yellow and the white inner-leaf Chinese cabbage were compared using the untargeted metabonomic and transcriptomic analyses in six cultivars of Chinese cabbage to explore the metabolic basis of glucosinolate and soluble sugar. Aliphatic glucosinolate and two soluble sugars (fructose and glucose) were the key metabolites that caused the difference in Chinese cabbage's glucosinolate and soluble sugar. By integrating soluble sugar and glucosinolate-associated metabolism and transcriptome data, we indicated BraA05gAOP1 and BraA04gAOP4, BraA03gHT7 and BraA01gHT4 were the glucosinolates and soluble sugar biosynthesis structural genes. Moreover, BraA01gCHR11 and BraA07gSCL1 were two vital transcription factors that regulate soluble sugar and glucosinolate biosynthesis. DiscussionThese findings provide novel insights into glucosinolate and soluble sugar biosynthesis and a possible explanation for the significant difference in nutrients between yellow and white inner-leaf Chinese cabbage. Moreover, it will facilitate genetic modification to improve the Chinese cabbage's nutritional and health values.

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[1]Identification of key genes controlling soluble sugar and glucosinolate biosynthesis in Chinese cabbage by integrating metabolome and genome-wide transcriptome analysis. Wang, Lixia,Zhang, Shu,Li, Jingjuan,Zhang, Yihui,Zhou, Dandan,Li, Cheng,He, Lilong,Li, Huayin,Wang, Fengde,Gao, Jianwei,Zhou, Dandan. 2022

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