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Integrated metabolomic and transcriptomic analyses reveal quality differences between artificially and naturally ripened Guifei mangoes

文献类型： 外文期刊

作者： Deng, Hao 1 ; Wu, Guang 1 ; Chen, Zhe 1 ; Guo, Li 1 ; Yin, Qingchun 1 ; Zhang, Wanli 1 ;

作者机构： 1.Hainan Acad Agr Sci, Inst Agroprod Proc & Design, Key Lab Trop Fruit & Vegetable Cold Chain Hainan P, Haikou 571100, Peoples R China

2.Minist Agr & Rural Affairs, Coconstruct Minist & Prov, Key Lab Genet Resources Evaluat & Utilizat Trop Fr, Haikou 571100, Peoples R China

3.Hainan Acad Inspection & Testing, Inst Food Testing, Key Lab Trop Fruits & Vegetables Qual Safety State, Haikou 570314, Peoples R China

4.Hainan Univ, Coll Food Sci & Technol, Haikou 570228, Peoples R China

关键词： Guifei mango; Metabolome; Transcriptome; Ripening; Quality

期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：3.9； 五年影响因子：4.3 ）

ISSN： 0304-4238

年卷期： 2024 年 337 卷

页码：

收录情况： SCI

摘要： The molecular reasons for quality differences between the artificially and naturally ripened Guifei (GF) mangoes remain not fully clear. In this study, basic qualities analyses followed by integrated metabolomic and transcriptomic analyses were performed on four groups: 80 % maturation GF (CK), artificially ripened GF off the tree (A1), artificially ripened GF by 200 mg/L ethephon (A2), and naturally ripened GF (N). Results showed that the total soluble solids of the N group were remarkably higher than others with relatively low titratable acid, indicating better flavor and commercial quality. A total of 133, 122, and 145 differential metabolites (DMs) and 9193, 8525, and 8950 differential genes (DGs) were identified in A1, A2, and N groups compared with CK, respectively. Further integrated omics analyses revealed that most of them were enriched in the "biosynthesis of amino acids" and "glycolysis/gluconeogenesis" pathways. In particular, methionine as the initial precursor of ethylene played a crucial role in the regulatory network. This study could provide new insight into quality formation during the ripening of mangoes.

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