Transcriptome Analysis Revealed the Response Mechanism of Pomegranate to Salt Stress

文献类型： 外文期刊

第一作者： Tang, Haixia

作者： Tang, Haixia;Wang, Chuanzeng;Feng, Lijuan;Wu, Qikui;Yin, Yanlei;Mei, Jian;Wu, Qikui

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关键词： salt stress; transcriptome; pomegranate; gene expression

期刊名称：AGRONOMY-BASEL （ 影响因子：3.4； 五年影响因子：3.8 ）

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年卷期： 2024 年 14 卷 10 期

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收录情况： SCI

摘要： Pomegranate (Punica granatum) is a well-known fruit tree species and a significant pioneer ecological species on saline-alkali land with moderate resistance to salt stress. To explore its response mechanism to salt stress could provide valuable insights into the molecular and physiological strategies plants employ to adapt and survive in high-salt environments. In this study, changes in physiological parameters and gene expressions were examined following salt treatment. After 72 h of salt treatment, change patterns of SOD and POD differed between high and low salt concentrations. Similar changes were found in the contents of proline and total soluble sugar. RNA-Seq analysis of fifteen samples detected 32,630 genes from the pomegranate genome data. A total of 6571 DEGs, including 374 TFs, were identified across different treatments. Six special modules and 180 hub genes were obtained by WGCNA analysis. Functional annotation highlighted signaling pathways and the accumulation of primary and secondary metabolites as significant pathways. These findings could reveal the salt tolerance mechanism in pomegranate leaves, offering a theoretical foundation for enhancing plant salt tolerance through genetic engineering.

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