UPLC-QTOF/MS Metabolomics and Biochemical Assays Reveal Changes in Hepatic Nutrition and Energy Metabolism during Sexual Maturation in Female Rainbow Trout (Oncorhynchus mykiss)
文献类型： 外文期刊
作者： Ding, Lu 1 ; Liu, Yingjie 1 ; Kang, Meng 3 ; Wei, Xiaofeng 1 ; Geng, Chuanye 1 ; Liu, Wenzhi 1 ; Han, Lin 1 ; Yuan, Fangying 1 ; Wang, Peng 1 ; Wang, Bingqian 1 ; Sun, Yanchun 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Minist Agr & Rural Areas, Lab Qual & Safety Risk Assessment Aquat Prod Harbi, Heilongjiang River Fisheries Res Inst, Harbin 150070, Peoples R China
2.Shanghai Ocean Univ, Coll Food Sci & Technol, Dept Food Sci & Engn, Shanghai 201306, Peoples R China
3.Heilongjiang Prov Fishery Extens Ctr, Harbin 150080, Peoples R China
4.Dalian Ocean Univ, Coll Food Sci & Engn, Dept Food Sci & Engn, Dalian 116023, Peoples R China
5.Harbin Univ Sci & Technol, Coll Mat & Chem Engn, Dept Chem Engn & Technol, Harbin 150080, Peoples R China
关键词： rainbow trout; sexual maturation; metabolomics; nutrition and energy metabolism
期刊名称：BIOLOGY-BASEL （ 影响因子：5.168； ）
ISSN：
年卷期： 2022 年 11 卷 11 期
页码：
收录情况： SCI
摘要： Mobilization and repartition of nutrients and energy are prerequisites for the normal sexual maturity of broodstock. However, there are few studies on the mechanisms of hepatic nutrients and energy metabolism during sexual maturation in female rainbow trout (Oncorhynchus mykiss). This study investigated hepatic metabolite changes and explored the potential nutritional regulation mechanism between mature and immature female rainbow trout by combining UPLC-QTOF/MS metabolomics and biochemical assays. It was observed that hepatic biochemical assays differed considerably between the two groups, such as glucose, triglycerides, hexokinase, lipase, and aspartate aminotransferase. Liver metabolomics showed that various differential metabolites involved in amino acid and lipid metabolism markedly increased, suggesting the enhancement of lipid metabolism and amino acid anabolism in the liver provides the necessary material basis for ovarian development. Meanwhile, glycogen catabolism and glycolysis hold the key to maintaining organismal energy homeostasis with normal sexual maturation of female rainbow trout. Overall, the results from this study suggested that the liver undergoes drastic reprogramming of the metabolic profile in response to mobilization and repartition of nutrients and energy during the sexual maturation of female rainbow trout. This study further deepened the understanding of the reproductive biology of rainbow trout, and provided the theoretical basis and practical ramifications for nutritional requirements of breeding high-quality broodstock in the artificial propagation of rainbow trout.
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