The regulation mechanism of ethephon-mediated delaying of postharvest physiological deterioration in cassava storage roots based on quantitative acetylproteomes analysis
文献类型： 外文期刊
作者： Yan, Yan 1 ; Li, Meiying 1 ; Ding, Zehong 1 ; Yang, Jinghao 1 ; Xie, Zhengnan 1 ; Ye, Xiaoxue 1 ; Tie, Weiwei 1 ; Tao, Xiangru 1 ; Chen, Ganlu 1 ; Huo, Kaisen 3 ; Ma, Jianxiang 3 ; Ye, Jianqiu 4 ; Hu, Wei 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Hainan Key Lab Biosafety Monitoring & Mol Breeding, Key Lab Biol & Genet Resources Trop Crops,Natl Key, Haikou 571101, Peoples R China
2.Chinese Acad Trop Agr Sci, Hainan Inst Trop Agr Resources, Hainan Key Lab Protect & Utilizat Trop Bioresource, Haikou 571101, Peoples R China
3.Chinese Acad Trop Agr Sci, Sanya Res Inst, Sanya 572025, Peoples R China
4.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Haikou 571101, Peoples R China
5.Chinese Acad Trop Agr Sci, Coconut Res Inst, Wenchang 571339, Peoples R China
关键词： Cassava; Postharvest physiological deterioration; Lysine acetylation; Ethephon; Reactive oxygen species scavenging system
期刊名称：FOOD CHEMISTRY （ 影响因子：8.5； 五年影响因子：8.2 ）
ISSN： 0308-8146
年卷期： 2024 年 458 卷
页码：
收录情况： SCI
摘要： Ethylene plays diverse roles in post-harvest processes of horticultural crops. However, its impact and regulation mechanism on the postharvest physiological deterioration (PPD) of cassava storage roots is unknown. In this study, a notable delay in PPD of cassava storage roots was observed when ethephon was utilized as an ethylene source. Physiological analyses and quantitative acetylproteomes were employed to investigate the regulation mechanism regulating cassava PPD under ethephon treatment. Ethephon was found to enhance the reactive oxygen species (ROS) scavenging system, resulting in a significant decrease in H2O2 and malondialdehyde (MDA) content. The comprehensive acetylome analysis identified 12,095 acetylation sites on 4403 proteins. Subsequent analysis demonstrated that ethephon can regulate the acetylation levels of antioxidant enzymes and members of the energy metabolism pathways. In summary, ethephon could enhance the antioxidant properties and regulate energy metabolism pathways, leading to the delayed PPD of cassava.
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