Transcriptome Analysis Reveals the Procyanidin Treatment-responsive Genes Involved in Regulating Procyanidin Accumulation during Banana Ripening and Senescence

文献类型： 外文期刊

第一作者： Zhou, Chao

作者： Zhou, Chao;Zhang, Haide;Li, Yixing;Li, Fenfang;Chen, Jiao;Yuan, Debao;Hong, Keqian

作者机构：

关键词： biosynthetic enzymes; procyanidin biosynthesis; regulatory factors

期刊名称：JOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE （ 影响因子：1.144； 五年影响因子：1.617 ）

ISSN： 0003-1062

年卷期： 2021 年 146 卷 2 期

页码：

收录情况： SCI

摘要： The mechanism regulating procyanidin (PA) accumulation in banana (Musa acuminata) fruit is not understood. During this study, the effects of PA treatment on the activities of banana PA biosynthetic enzymes and transcriptomic profiles were investigated. The results showed that PA treatment delayed the decreases in leucoanthocyanidin reductase and anthocyanidin reductase activities, which affected the accumulation of PA. Furthermore, the peel samples of the control fruit and the PA-treated fruit on day 1 were selected for transcriptomic analysis. The results revealed that PA treatment induced 1086 differentially expressed genes. Twenty-one key genes, including those encoding biosynthetic enzymes and regulatory factors involved in PA biosynthesis, were validated using a quantitative real-time polymerase chain reaction. The results showed that these genes were upregulated by PA treatment during banana storage. Taken together, our study improves current understanding of the mechanism underlying PA-regulated banana senescence and provide new clues for investigating specific gene functions.

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