Effects of fishing stress on fatty acid and amino acid composition and glycolipid metabolism in triploid rainbow trout
文献类型： 外文期刊
作者： Xia, Banghua 1 ; Zhao, Dandan 1 ; Hao, Qirui 1 ; Yu, Junfei 2 ; Han, Yue 3 ; Ling, Ling 1 ; Zhao, Rongwei 4 ; Zhao, Junwei 1 ;
作者机构： 1.Northeast Agr Univ, Harbin 150030, Peoples R China
2.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Harbin 150070, Peoples R China
3.Liaoning Cashmere Goats Breeding Ctr, Liaoyang 111001, Peoples R China
4.Harbin Agr Technol Extens Master Stn, Harbin 150028, Peoples R China
关键词： Triploid Oncorhynchus mykiss; Fishing stress; Targeted lipidomics; Oxidative stress
期刊名称：FOOD CHEMISTRY （ 影响因子：9.8； 五年影响因子：9.7 ）
ISSN： 0308-8146
年卷期： 2024 年 461 卷
页码：
收录情况： SCI
摘要： Triploid Oncorhynchus mykiss is an important economic fish worldwide. Fishing stress can affect its growth and meat quality. This study first explored the effects of fishing stress on fatty acid and amino acid in triploid O. mykiss. Results showed fishing stress significantly reduced the content of docosadienoic acid, Gly, Arg, and DAA (P < 0.05). Targeted lipidomics analysis furthered suggested that some lipid molecules belonging to TG, DG, PC, Cer, ChE, and So were significantly up-regulated; while some lipid molecules belonging to Cer, LPE, LPC, PS, PC, and SM were significantly down-regulated, suggesting an accelerated glycolipid metabolism. Eventually, the glycolipid metabolism-related enzyme activity and gene expressions were examined, and the results indicated that O. mykiss was anti-oxidative stress by affecting relevant glycolipid metabolism signaling pathways and participating in cellular redox homeostasis. Findings of this study provide a theoretical foundation for further investigation into the mechanisms through which fishing stress affects O. mykiss.
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