Metabolomics and Proteomics Responses of Largemouth Bass (Micropterus salmoides) Muscle under Organic Selenium Temporary Rearing
文献类型： 外文期刊
作者： Li, Hailan 1 ; Liu, Wenbo 1 ; Liao, Tao 1 ; Zheng, Wei 3 ; Qiu, Jianhui 1 ; Xiong, Guangquan 1 ; Zu, Xiaoyan 1 ;
作者机构： 1.Hubei Acad Agr Sci, Inst Agroprod Proc & Nucl Agr Technol, Minist Agr & Rural Affairs, Key Lab Cold Chain Logist Technol Agroprod, Wuhan 430064, Peoples R China
2.Wuhan Inst Technol, Sch Chem & Environm Engn, Wuhan 430205, Peoples R China
3.Hubei Acad Agr Sci, Inst Agr Econ & Technol, Wuhan 430064, Peoples R China
关键词： organic selenium; Micropterus salmoides muscle; temporary rearing; metabolomics; proteomics
期刊名称：MOLECULES （ 影响因子：4.6； 五年影响因子：4.9 ）
ISSN：
年卷期： 2023 年 28 卷 14 期
页码：
收录情况： SCI
摘要： Organic selenium has been widely studied as a nutritional supplement for animal feed. However, there are few studies on the effect of organic selenium on flesh quality. In this study, the effects of organic selenium (yeast selenium (YS), Se 0.002 mg/L) on the metabolism and protein expression in Micropterus salmoides muscle under temporary fasting condition (6 weeks) were investigated. The muscle structure was observed through a microscope, and regulatory pathways were analyzed using proteomics and metabolomics methods. Electron microscopy showed that YS made the muscle fibers of M. salmoides more closely aligned. Differential analysis identified 523 lipid molecules and 268 proteins. The numbers of upregulated and downregulated proteins were 178 and 90, respectively, including metabolism (46.15%), cytoskeleton (11.24%) and immune oxidative stress (9.47%), etc. Integrated analyses revealed that YS enhanced muscle glycolysis, the tricarboxylic acid cycle and oxidative phosphorylation metabolism. In the YS group, the content of eicosapentaenoic acid was increased, and that of docosahexaenoic acid was decreased. YS slowed down protein degradation by downregulating ubiquitin and ubiquitin ligase expression. These results suggest that organic selenium can improve M. salmoides muscle quality through the aforementioned pathways, which provides potential insights into the improvement of the quality of aquatic products, especially fish.
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