12-Hydroxydodecanoic acid delays tomato fruit ripening and enhances resistance to Botrytis cinerea
文献类型： 外文期刊
作者： Liu, Wei 1 ; Huang, Xinhua 1 ; Yuan, Tingting 1 ; Ma, Danying 1 ; Jia, Yanhong 4 ; Ji, Lizhu 4 ; Tian, Shiping 1 ; Chen, Tong 1 ;
作者机构： 1.Chinese Acad Sci, Inst Bot, State Key Lab Plant Divers & Specialty Crops, Beijing 100093, Peoples R China
2.China Natl Bot Garden, Beijing 100093, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Tianjin Acad Agr Sci, Tianjin 300384, Peoples R China
关键词： Antifungal; Climacteric; Defense response; Gray mold; Quality traits
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 226 卷
页码：
收录情况： SCI
摘要： Quality formation and disease resistance are important agronomic traits for fruit crops, thereby exhibiting both scientific significance and application values for in-depth studies. However, practical measures simultaneously modulating fruit ripening and disease resistance are seldom reported now. In the present study, it was found that 12-hydroxydodecanoic acid (12-HA), a mid-chain fatty acid, delayed fruit ripening by suppressing ethylene biosynthesis and signaling, while the activities of wall degrading enzymes and the expression levels of related genes decreased upon 12-HA treatment. Treatment with 12-HA did not significantly affect titratable acid, total soluble solids and vitamin C content of tomato fruit. Meanwhile, 12-HA displayed in vitro antimicrobial activities and attenuated pathogenicity of Botrytis cinerea on harvested fruit in a dose-dependent manner. Collectively, 12HA delayed fruit ripening and inhibited pathogenicity of fungal pathogens on harvested fruit, which may be promising for postharvest handling of fresh produces in agricultural and food industry.
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