Transcriptomic and metabolomic analysis reveal the role of 5-aminolevu-linic acid hydrochloride in suppressing postharvest decay development in sweet cherry

文献类型： 外文期刊

第一作者： Zhang, Shuaiqi

作者： Zhang, Shuaiqi;Xu, Ranran;Deng, Lizhi;Zhou, Jiahua;Wang, Baogang;Liang, Liya

作者机构：

关键词： Sweet cherries; 5-aminolevulinic acid hydrochloride; Phenylpropanoid biosynthesis; Plant hormone signal transduction pathway; Disease resistance

期刊名称：POSTHARVEST BIOLOGY AND TECHNOLOGY （ 影响因子：6.8； 五年影响因子：7.5 ）

ISSN： 0925-5214

年卷期： 2025 年 221 卷

页码：

收录情况： SCI

摘要： The development of fungal rots is one of the main limitations of the storage and marketing of sweet cherry fruit. Sweet cherry ( Prunus avium L.) var 'Xiangquan No.1' fruit were treated with 1 g L- 1 5-aminolevulinic acid (5- ALA) hydrochloride and stored at 20 degrees C for 12 d. Results showed that fruit treated with 5-ALA hydrochloride had significantly lowered postharvest decay. Transcriptomic and metabolomic analysis indicated that 1031 differentially accumulated metabolites (DAMs) and 6903 differentially expressed genes (DEGs) were detected between 5-ALA hydrochloride treatment and the control at 6 d. A weighted gene co-correlation network analysis was employed to evaluate the gene regulatory network of DEGs. The DEGs and DAMs were co-enriched in the phenylpropanoid biosynthesis and flavonoid biosynthesis pathways. Moreover, the 5-ALA hydrochloride treatment improved disease resistance of the fruit by activating genes related to salicylic acid signal transduction and down-regulation of the metabolite gibberellin in sweet cherry fruit. The multiple transcription factors, including NAC50, MYB62, LEP and WRKY40 were also activated by 5-ALA hydrochloride treatment. These results provided new ideas for research on the postharvest management and maintenance of sweet cherry fruit during storage.

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