Untargeted GC-MS metabolomics reveals the metabolic responses in the gills of Chinese mitten crab (Eriocheir sinensis) subjected to air-exposure stress
文献类型： 外文期刊
作者： Guo, Kun 1 ; Zhao, Zhigang 1 ; Luo, Liang 1 ; Wang, Shihui 1 ; Zhang, Rui 1 ; Xu, Wei 1 ; Qiao, Guo 2 ;
作者机构： 1.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Key Open Lab Cold Water Fish Germplasm Resources, Harbin 150070, Peoples R China
2.Yancheng Inst Technol, Sch Marine & Biol Engn, Dept Marine Technol, Yancheng 224051, Peoples R China
关键词： Gill; Eriocheir sinensis; Air-exposure stress; Metabolomics; Metabolic pathway
期刊名称：ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY （ 影响因子：7.129； 五年影响因子：7.284 ）
ISSN： 0147-6513
年卷期： 2022 年 231 卷
页码：
收录情况： SCI
摘要： Desiccation is a common stress experienced by crabs during aquaculture and transportation. In China, the crustacean, Chinese mitten crab (Eriocheir sinensis), is economically important. However, little is known about the molecular pathways underlying physiological stress. Here, by using untargeted gas chromatography-mass spectrometry metabolomics, we investigated the metabolic responses of the gills of E. sinensis subjected to air exposure stress by six biological replicates of the control group (CG) and the air-exposure stress group (AG). Metabolomic analysis identified 43 differential metabolites in the AG versus the CG that could be potential biomarkers of desiccation stress. In addition, integrated analysis of key metabolic pathways revealed the involvement of histidine metabolism; glycine, serine and threonine metabolism; the pentose phosphate pathway; the citrate cycle (TCA cycle); and nicotinate and nicotinamide metabolism. These findings indicated the special physiological responses to air-exposure stresses in this species.
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