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Effect of nitric oxide on sugar metabolism in peach fruit (cv. Xiahui 6) during cold storage

文献类型： 外文期刊

作者： Han, Shuai 1 ; Cai, Hongfang 1 ; An, Xiujuan 1 ; Huan, Chen 1 ; Wu, Xiaoqin 1 ; Jiang, Li 1 ; Yu, Mingliang 2 ; Ma, Ruiju 1 ;

作者机构： 1.Nanjing Agr Univ, Coll Food Sci & Technol, Nanjing 210095, Jiangsu, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Hort, Nanjing 210095, Jiangsu, Peoples R China

关键词： Peach fruit; Nitric oxide; Sucrose metabolism; Gene expression

期刊名称：POSTHARVEST BIOLOGY AND TECHNOLOGY （ 影响因子：5.537； 五年影响因子：5.821 ）

ISSN： 0925-5214

年卷期： 2018 年 142 卷

页码：

收录情况： SCI

摘要： The influence of exogenous nitric oxide (NO) on the sucrose metabolism of peach fruit (cv. Xiahui 6) under cold storage was investigated. Peach fruit were treated with 10 mu L L-1 of NO at 25 +/- 1 degrees C for 3 h and then placed at 4 degrees C for twenty four days. The results showed that the ethylene production of the fruit treated with NO was inhibited significantly and the fruit had a higher firmness. Meanwhile, NO treatment could increase the activity of sucrose phosphate synthase (SPS) by enhancing the expression level of PpaSPS1/2. Similarly, as a sucrosecleaving enzyme gene, PpaAI1 encoding level reduced significantly compared to control fruit, resulting in lower sucrose-cleaving enzyme activity. Thus, NO also maintained higher sucrose content, but decreased glucose and fructose to lower levels during the late storage. We proposed that NO treatment may delay the senescence of fruit and sustain a higher sucrose content of peach fruit during cold condition.

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