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Genome-wide transcriptome analysis uncovers gene networks regulating fruit quality and volatile compounds in mango cultivar ?Tainong? during postharvest

文献类型： 外文期刊

作者： Li, Li 1 ; Yi, Ping 1 ; Sun, Jian 2 ; Tang, Jie 1 ; Liu, Guoming 1 ; Bi, Jinfeng 4 ; Teng, Jianwen 5 ; Hu, Meijiao 6 ; Yuan, Fang 2 ; He, Xuemei 1 ; Sheng, Jinfeng 1 ; Xin, Ming 1 ; Li, Zhichun 1 ; Li, Changbao 1 ; Tang, Yayuan 1 ; Ling, Dongning 1 ;

作者机构： 1.Guangxi Acad Agr Sci, Agrofood Sci & Technol Res Inst, Nanning 530007, Peoples R China

2.Guangxi Acad Agr Sci, Guangxi Key Lab Fruits & Vegetables Storage Proc T, Nanning 530007, Peoples R China

3.Guangxi Acad Agr Sci, Nanning 530007, Peoples R China

4.Chinese Acad Agr Sci, Inst Food Sci & Technol, Key Lab Agroprod Proc, Minist Agr & Rural Affairs, Beijing 100193, Peoples R China

5.Guangxi Univ, Nanning 530004, Peoples R China

6.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou 571101, Peoples R China

关键词： Mango; Transcriptome; Fruit ripening; Flavor; Volatile compound; Regulatory network

期刊名称：FOOD RESEARCH INTERNATIONAL （ 影响因子：8.1； 五年影响因子：7.7 ）

ISSN： 0963-9969

年卷期： 2023 年 165 卷

页码：

收录情况： SCI

摘要： Mango is one of the most economically important fruit; however, the gene regulatory mechanism associated with ripening and quality changes during storage remains largely unclear. This study explored the relationship between transcriptome changes and postharvest mango quality. Fruit quality patterns and volatile components were obtained using headspace gas chromatography and ion-mobility spectrometry (HS-GC-IMS). The changes in mango peel and pulp transcriptome were analyzed during four stages (pre-harvesting, harvesting, maturity, and overripe stages). Based on the temporal analysis, multiple genes involved in the biosynthesis of secondary metabolites were upregulated in both the peel and pulp during the mango ripening process. Moreover, cysteine and methionine metabolism related to ethylene synthesis were upregulated in the pulp over time. Weighted gene coexpression network analysis (WGCNA) further showed that the pathways of pyruvate metabolism, citrate cycle, propionate metabolism, autophagy, and SNARE interactions in vesicular transport were positively correlated with the ripening process. Finally, a regulatory network of important pathways from pulp to peel was constructed during the postharvest storage of mango fruit. The above findings provide a global insight into the molecular regulation mechanisms of postharvest mango quality and flavor changes.

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