文献类型： 外文期刊
第一作者： Feng, Xinyi
作者： Feng, Xinyi;Wang, Yunxiang;Bai, Chunmei;He, Xuelian;Tao, Jiejie;Zhou, Xinyuan;Ren, Yiting;Zuo, Jinhua;Zheng, Yanyan;Feng, Xinyi;Meng, Demei;Fernie, Alisdair R.
作者机构：
关键词： Postharvest preservation; Black spot disease; Transcriptomics; Microbiome; Metabolomics
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 230 卷
页码：
收录情况： SCI
摘要： Black spot disease severely impairs cauliflower postharvest quality. The current study employed multi-omics analyses (transcriptomics, metabolomics, microbiomics) and volatile profiling to elucidate the mechanism by which chlorine dioxide (ClO2) controls the disease. ClO2 reduced disease incidence by 10 % and suppressed pathogenic Alternaria spp. abundance by 37 %. It upregulated defense-related genes (CPK, RBOH, PXC1), enhancing stress resistance and senescence delay, while regulating amino acid biosynthesis genes (aroG, ilvC) to elevate L-proline and L-tyrosine levels. ClO2 additionally rebalanced hormone levels (abscisic acid, 12-hydroxyjasmonic acid) and preserved fruity/floral volatiles (butyl propionate, limonene), while repressing the production of spoilage-associated volatiles (ethanol, 3-pentanone). By coordinately modulating microbial communities, activating defense pathways, accumulating antioxidants, and mediating hormone signaling, ClO2 mitigated quality deterioration and established a holistic preservation strategy. This reduced quality deterioration caused by black spot disease offers a comprehensive strategy for cauliflower preservation.
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