文献类型： 外文期刊
作者： Xu, Ranran 1 ; Liu, Wanqing 1 ; Zhou, Jiahua 1 ; Zhang, Shuaiqi 1 ; Jiang, Lihua 3 ; Liu, Bangdi 4 ; Wang, Baogang 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Agr Prod Proc & Food Nutr, Beijing 100097, Peoples R China
2.Beijing Key Lab Fresh Keeping & Proc Fruits & Vege, Beijing 100097, Peoples R China
3.Hebei Univ Engn, Sch Life Sci & Food Engn, Handan 056038, Hebei, Peoples R China
4.MARA, Acad Agr Planning & Engn, Beijing 100125, Peoples R China
关键词： Fungal infection; Amino acid derivative; Plant hormone; Antibacterial enzymes; Antioxidant capacity
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 223 卷
页码：
收录情况： SCI
摘要： Postharvest diseases caused by fungal infections in nectarine fruit seriously affect its commodity value and economic benefits. The effects and mechanisms of application of amino acid derivative ectoine against decay mold disease on postharvest nectarine fruit were evaluated. Ectoine remarkably reduced the occurrence of brown rot in nectarines after inoculation with Monilinia fructicola, which was most likely achieved by enhancing the resistance of the fruit. The expression of genes such as phenylalanine ammonia-lyase in ethylene transduction pathway were downregulated and the expressions of jasmonic acid and salicylic acid were upregulated with ectoine treatment. Moreover, the activities of key enzymes such as (3-1,3-glucanase and superoxide dismutase for antibacterial and antioxidation activities, respectively, were enhanced. Phenylpropane biosynthesis was then activated and antioxidant capacity was enhanced. As a result, ectoine improved the resistance of nectarine fruit against fungal diseases. This study provides a new and promising approach to reduce postharvest decay of nectarine.
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