Salicylic acid treatment inhibits ethylene synthesis and starch-sugar conversion to maintain apple fruit quality during shelf life

文献类型： 外文期刊

第一作者： Yuan, Ruimin

作者： Yuan, Ruimin;Mao, Linli;Min, Ting;Wang, Hongxun;Yuan, Ruimin;Mao, Linli;Zhao, Yaoyao;Duan, Yuquan;Lin, Qiong

作者机构：

关键词： Apple; Salicylic acid treatment; Starch-sugar metabolism; Fruit ripening; Shelf life

期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：4.3； 五年影响因子：4.5 ）

ISSN： 0304-4238

年卷期： 2023 年 308 卷

页码：

收录情况： SCI

摘要： Starch and sugars are widely acknowledged as taste determinants, energy substances, and signal molecules in fruits. Salicylic acid (SA) regulates many physiological and biochemical processes during fruit ripening. In this work, we investigated the effects of SA treatment on physiological parameters and SA synthesis, ethylene production, and starch-sugar metabolism of apples during shelf life. Results showed that SA maintained fruit firmness, reduced weight loss, and inhibited starch to sugar conversion during shelf life. The endogenous SA level was increased in SA-treated fruits, mediated by MdPAL, MdICS2, and MdNPR1, thus decreasing MdACS1 and MdACO1 expressions and inhibiting ethylene biosynthesis. Furthermore, the expression of starch and sugar-related genes, MdAMY, MdBam5, MdBam8, MdSPS, MdSUSY, MdNINV, and MdAINV, were inhibited by SA treatment during shelf life. It was inferred that exogenous SA could inhibit ethylene synthesis and starch-sugar conversion, maintain the quality, and prolong the shelf life of apples

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