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arginine metabolism and its functions in growth, nutrient utilization, and immunonutrition of fish

Animal Nutrition 2021年第3期7卷 716-727页

作者： Qingchao Wang Zhen Xu Qinghui Ai Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt Ministry of EducationCollege of FisheriesHuazhong Agricultural UniversityWuhanChina Laboratory for Marine Fisheries Science and Food Production Processes Qingdao National Laboratory for Marine Science and TechnologyQingdaoChina Key Laboratory of Aquaculture Nutrition and Feed(Ministry of Agriculture) Ocean University of ChinaQingdaoChina

Fish have limited ability in endogenous biosynthesis of *** is an indispensable amino acid for fish,and the arginine requirement varies with fish species and fish *** studies on fish have demonstrated that arginine influences nutrient metabolism,stimulates insulin release,is involved in nonspecific immune responses and antioxidant responses,and elevates disease ***,arginine can regulate energy homeostasis via modulating the adenosine 5'-monophosphate(AMP)-activated protein kinase(AMPK)pathway,and also regulate protein synthesis via activating the target of rapamycin(TOR)signaling *** present article reviews pertinent knowledge of arginine in fish,including dietary quantitative requirements,endogenous anabolism and catabolism,regulation of the endocrine and metabolic systems,and immune-regulatory functions under pathogenic *** findings showed that further data about the distribution of arginine after intake into specific cells,its sub-cellular sensor to initiate downstream signaling pathways,and its effects on fish mucosal immunity,especially the adaptive immune response against pathogenic infection in different species,are urgently needed.

关键词： arginine metabolism Arginase Immunonutrition Nitric oxide Target of rapamycin signaling

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Mitigating ethyl carbamate production in Chinese rice wine:Role of raspberry extract

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Journal of Integrative Agriculture 2025年第1期24卷 353-365页

作者： Yuxin Liu Chi Shen Xiaoyu Wang Chaogeng Xiao Zisheng Luo Guochang Sun Wenjing Lu Rungang Tian Lijia Dong Xueyuan Han School of Life and Environmental Sciences Shaoxing UniversityShaoxing 312000China State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products/Institute of Food Science Zhejiang Academy of Agricultural SciencesHangzhou 310021China College of Biosystems Engineering and Food Science/Zhejiang Key Laboratory of Agro-Food Processing/Key Laboratory of Agro-Products Postharvest Handling of Ministry of Agriculture and Rural Affairs Zhejiang UniversityHangzhou 310058China Zhejiang Kuajishan Shaoxing Rice Wine Co. Ltd.Shaoxing 312030China

This study investigated the use of raspberry extract(RBE) for mitigating ethyl carbamate(EC) accumulation in Chinese rice wine(Huangjiu), a traditional fermented beverage. It focused on the addition of RBE to the fermentation mash and its effects on EC levels. The results showed a significant reduction in EC production that could be attributed to RBE's role in altering urea and citrulline catabolism and inhibiting arginine metabolism, thus preventing EC precursors from reacting with ethanol. Additionally, RBE enhanced the rice wine's flavor profile, as shown by volatile component and amino acid analysis. This study also explored RBE's impact on the metabolism of arginine by Saccharomyces cerevisiae in a simulated fermentation environment, and found increased arginine, reduced urea and citrulline levels, altered enzyme activities, and gene expression changes in the arginine metabolism and transport pathways. In conclusion, the results clearly demonstrated RBE's efficacy in reducing the EC content in Chinese rice wine, offering valuable insights for EC reduction strategies.

关键词： Chinese rice wine ethyl carbamate raspberry extract Saccharomyces cerevisiae arginine metabolism

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Deciphering relationship between depression and microbial molecules based on multi-omics: A case study of Chaigui Granules

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Chinese Herbal Medicines 2024年第4期16卷 612-621页

作者： Qi Wang Yingxia Zhao Xuemei Qin Junsheng Tian Modern Research Center for Traditional Chinese Medicine Shanxi UniversityTaiyuan 030006China Key Laboratory of Effective Substances Research and Utilization in TCM of Shanxi Province Shanxi UniversityTaiyuan 030006China

Objective: To decipher the antidepression effect of Chaigui Granules(CGKL) from the relationship between depression and microbial molecules based on ***: Male SD rats were subjected to chronic unpredictable mild stress(CUMS) for seven weeks. The antidepressants CGKL extract and CGKL were administered for the following four weeks. The behavior test and the content of monoamine neurotransmitters were used to evaluate the efficacy of CGKL. The 16S rRNA sequencing, LC-MS technology and molecular biological techniques were used to explore the pharmacological mechanism of ***: CGKL treatment obviously alleviated the depressive behavioral indicators and regulated the content of monoamine neurotransmitters, and presented dose-dependent manner. CGKL could also improve the arginine metabolism disorder of gut microbiota in the jejunum. Meanwhile, the contents of arginine and its metabolites in the serum and hippocampus were regulated to normal levels. Further investigation indicated that the expression of related rate-limiting enzyme genes and proteins in the hippocampus was validated by qRT-PCR and Western blotting. The results showed that the gut microbiota, metabolites, and genes or proteins of rate-limiting enzymes involved in the arginine pathway were significantly regulated by ***: The present study demonstrates that CGKL might exert antidepressant effects through regulating arginine metabolism, and its mechanism may be related to modulating the gut microbiota and related metabolic enzyme.

关键词： arginine metabolism Chaigui Granules depression gut microbiota microbial molecules

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