The regulatory mechanisms of delayed senescence of nitric oxide treatment of hyacinth beans
文献类型： 外文期刊
作者： Han, Lichun 1 ; Wang, Zhengrong 2 ; Watkins, Christopher B. 3 ; Ma, Lili 1 ; He, Xuelian 1 ; Bai, Chunmei 1 ; Wang, Hongwei 1 ; Wang, Qing 1 ; Zuo, Jinhua 1 ; Zheng, Yanyan 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Agri Food Proc & Nutr, Beijing Key Lab Fruits & Vegetable Storage & Proc, Key Lab Vegetable Postharvest Proc,Minist Agr & Ru, Beijing 100097, Peoples R China
2.Hebei Univ Engn, Sch Life Sci & Food Engn, Handan, Peoples R China
3.Cornell Univ, Coll Agr & Life Sci, Sch Integrat Plant Sci, Hort Sect, Ithaca, NY 14853 USA
4.Beijing Acad Agr & Forestry Sci, Beijing Vegetable Res Ctr, State Key Lab Vegetable Biobreeding, Beijing 100097, Peoples R China
关键词： Sodium Nitroprusside; Metabolomics; Transcriptomics; ATAC-seq; Flavonoids
期刊名称：POSTHARVEST BIOLOGY AND TECHNOLOGY （ 影响因子：7.0； 五年影响因子：6.9 ）
ISSN： 0925-5214
年卷期： 2024 年 207 卷
页码：
收录情况： SCI
摘要： The effects of exogenous NO generated from sodium nitroprusside (SNP) on hyacinth bean have been investi-gated with metabolomic, transcriptomic, and Assay for Transposase-Accessible Chromatin with high-throughput Sequencing (ATAC-seq) analyses. Comparative analysis revealed 421 and 253 differentially accumulated me-tabolites (DAMs) in control 0 d vs control 8 d, and control 0 d vs SNP 8 d, respectively. Flavonoid biosynthesis accounted for 50% and 66% of the DAMs in the two comparative groups, respectively. The key flavonoid syn-thesis genes (PAL, CHS, CHI) were downregulated in NO treated beans. NO also downregulated genes related to cell wall degradation, lignin synthesis, plant pathogen interaction, and ethylene signal transduction. ATAC-seq analysis identified 14 co-enriched transcription factors from the ERF /DREB family, suggesting their role in regulating bean senescence. Overall, NO regulated flavonoid metabolism, cell wall degradation, lignin synthesis, plant hormones, flavonoid biosynthesis, plant pathogen interaction genes, and the ERF /DREB transcription factor family. These findings provide information about postharvest quality regulation of bean senescence.
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