The Role of Glycogen Synthase Kinase-3 in Gibberellic Acid-Induced Chilling Tolerance and Defense Response in Postharvest Peach Fruit

文献类型： 外文期刊

第一作者： Jiao, Caifeng

作者： Jiao, Caifeng;Duan, Yuquan

作者机构：

关键词： GA(3); GSK-3; Antioxidant system; Small ubiquitin-like modifier and methionine sulfoxide reductase; Lipoxygenase and phospholipase D; Peach fruit

期刊名称：FOOD AND BIOPROCESS TECHNOLOGY （ 影响因子：4.465； 五年影响因子：4.793 ）

ISSN： 1935-5130

年卷期： 2019 年 12 卷 10 期

页码：

收录情况： SCI

摘要： The induction of chilling tolerance and defense response by glycogen synthase kinase-3 (GSK-3) under gibberellic acid (GA(3)) treatment in peach fruit was explored at 4 degrees C up to 28 days. The fruits were treated with exogenous GA(3) and bikinin (GSK-3 inhibitor). Results showed that exogenous GA(3) alleviated chilling injury, and upregulated endogenous GA(3) content in peach fruit. Furthermore, GSK-3 expression was activated by exogenous GA(3) treatment. GA(3) also upregulated gene expression of superoxide dismutase, peroxidase, catalase, glutathione reductase, glutathione S-transferase, and ascorbate peroxidase. Additionally, GA(3) enhanced gene and protein expression of small ubiquitin-like modifier and gene expression of methionine sulfoxide reductase, and weakened gene expression of lipoxygenase and phospholipase D. These above impacts stimulated by exogenous GA(3) were blocked by the addition of bikinin. Overall, GSK-3 was involved in stimulation of chilling tolerance and defense response under GA(3) treatment in postharvest peach fruit.

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