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1-Methylcyclopropene counteracts ethylene inhibition of anthocyanin accumulation in peach skin after harvest

文献类型： 外文期刊

作者： Zhang, Yingtong 1 ; Ling, Jun 1 ; Zhou, Hongsheng 1 ; Tian, Mengyao 3 ; Huang, Wen 4 ; Luo, Shufen 1 ; Hu, Huali 1 ; Li, Pengxia 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Agr Facil & Equipment, Nanjing 210014, Jiangsu, Peoples R China

2.Jiangsu Key Lab Hort Crop Genet Improvement, Nanjing 210014, Jiangsu, Peoples R China

3.Shenyang Agr Univ, Dept Food Sci, Shenyang 110866, Liaoning, Peoples R China

4.Nanjing Inst Vegetable Sci, Nanjing 210042, Jiangsu, Peoples R China

5.Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Jiangsu, Peoples R China

关键词： 1-Methylcyclopropene; Ethylene; Anthocyanin; Biosynthetic pathway; Gene expression

期刊名称：POSTHARVEST BIOLOGY AND TECHNOLOGY （ 影响因子：6.751； 五年影响因子：7.001 ）

ISSN： 0925-5214

年卷期： 2022 年 183 卷

页码：

收录情况： SCI

摘要： Anthocyanin biosynthesis is induced by ethylene in most fruit species. However, the hormone function in peach skin red coloration remained unclear. We investigated the effect of ethylene and ethylene action inhibitor (1methylcyclopropene, 1-MCP) on color development and anthocyanin content in postharvest peach as well as mechanism behind this. The results showed that ethylene decreased total anthocyanin and cyanidin-3-glucoside accumulation and thus prevented the red coloration of fruit skin, whereas 1-MCP treatment had an opposite effect. The activity of all enzymes associated with anthocyanin biosynthesis (except 4CL), and expressions of their coding genes as well as the related transcription factors (TFs) were also affected oppositely by 1-MCP and ethylene. In addition, the activity of ANS and UFGT was positively correlated with total anthocyanin and cyanidin-3-glucoside content. The result implied that ethylene blocked anthocyanin biosynthesis by regulating the expression of upstream TFs, thus hampering the anthocyanin biosynthesis pathway. This is the first evidence pertinent to the inhibition of ethylene to the skin red coloration in postharvest peach. It also provides a technology (1-MCP application) to improve postharvest fruit coloration and quality.

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