1-MCP delays ripening and maintains postharvest quality of nectarines by regulating transcriptional and metabolic responses
文献类型： 外文期刊
作者： Jiang, Yuqian 1 ; Li, Wenhan 1 ; Wang, Haifen 2 ; Du, Jin 3 ; Zhang, Yingying 4 ; Li, Dandan 1 ; Wang, Junhua 5 ; Zhou, Qingxin 5 ; Pang, Lingling 6 ; Tang, Yao 1 ;
作者机构： 1.Tianjin Univ Sci & Technol, Coll Food Sci & Engn, State Key Lab Food Nutr & Safety, Tianjin 300457, Peoples R China
2.Hebei Normal Univ Sci & Technol, Res Ctr Rural Vitalizat, Qinhuangdao 066004, Hebei, Peoples R China
3.Bayannaoer Ctr Dis Control & Prevent, Bayannaoer 015000, Inner Mongolia, Peoples R China
4.Tianjin Chest Hosp, Dept Cardiol, Tiangjin 300222, Peoples R China
5.Shandong Acad Agr Sci, Inst Food & Nutr Sci & Technol, Jinan 250100, Peoples R China
6.Tianjin Gasin DH Preservat Technol Co Ltd, 10 Rd Siwei, Tianjin 300300, Peoples R China
7.Zhejiang Univ, Coll Biosyst Engn & Food Sci, Hangzhou 310058, Peoples R China
8.Tianjin Univ Sci & Technol, State Key Lab Food Nutr & Safety, 29 Thirteenth Ave TEDA, Tianjin 300457, Peoples R China
关键词： 1-MCP treatment; Nectarines; Postharvest quality; Transcriptomic regulation
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： 2024 年 330 卷
页码：
收录情况： SCI
摘要： Fast ripening and senescence is one of the major problems for postharvest nectarines, leading to a rapid decline in postharvest quality. As an ethylene-action inhibitor, 1-methylcyclopropene (1-MCP) was applied to treat nectarines with a concentration of 1 mu L L-1 for 18 h and stored at 0 degrees C for 25 d. The postharvest physiological quality attributes including the flesh color, total soluble solids (TSS), titratable acid (TA), and aroma quality of fruit flesh from different positions (top, equatorial, and bottom of nectarine fruit) were evaluated to elucidate that 1-MCP differentially influence the flesh ripening and biological metabolism. The findings indicated that 1-MCP treatment effectively delayed ripening and senescence processes. Moreover, the cellular microstructure and intracellular organelles were observed which suggested that 1-MCP delayed the deformation of the cellular microstructure and maintained its integrity. Furthermore, transcriptomic and metabolomic analyses explored the differential metabolites and their biological features. The differential metabolites after 1-MCP treatment were related to signal transduction, membrane transport, genetic translation, and metabolism pathways. The KEGG enrichment results showed that the most impacted pathways by 1-MCP include glycolysis and gluconeogenesis.
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