Tea Tree Oil Improves Energy Metabolism, Non-Specific Immunity, and Microbiota Diversity via the Intestine–Hepatopancreas Axis in Macrobrachium rosenbergii under Low Fish Meal Diet Administration
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Published:2023-10-19
Issue:10
Volume:12
Page:1879
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ISSN:2076-3921
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Container-title:Antioxidants
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language:en
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Short-container-title:Antioxidants
Author:
Liu Mingyang12, Xu Xiaodi12, Sun Cunxin12, Zheng Xiaochuan2, Zhou Qunlan12, Song Changyou2ORCID, Xu Pao12, Gao Qiang3, Liu Bo12ORCID
Affiliation:
1. Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China 2. Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China 3. Key Laboratory of Healthy Freshwater Aquaculture, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fish Health and Nutrition of Zhejiang Province, Zhejiang Institute of Freshwater Fisheries, Huzhou 313001, China
Abstract
Tea tree oil (TTO) is an essential plant oil with diverse antibacterial and antioxidant properties; however, whether the role played by TTO in low fish meal (LF) diets induced the observed effects in the farmed crustaceans remains unclear. Therefore, this study used Macrobrachium rosenbergii as the model crustacean, and an 8-week feeding experiment with NF (normal fish meal), LF (soybean meal replacing 40% fish meal), and LFT (LF with 200 mg/kg TTO) diets was conducted to evaluate the positive effects of TTO under the LF diet. Compared to the NF diet, the LF diet reduced hemolymph antioxidant capacity and non-specific immunity, and induced hepatopancreas apoptosis and damage. However, in comparison with LF, LTF significantly ameliorated morphological impairment in the hepatopancreas, improved hepatopancreas energy metabolism by upregulating the Bcl-2/Bax and Akt/mTOR pathways, and enhanced antioxidant and non-specific immune capacity by activating the NF-κB/NO pathway. In addition, LFT repaired intestinal barrier injury and the imbalance of intestinal microbiota induced by the LF diet. Moreover, the Pearson correlation revealed the variations of the above indicators, which were related to the abundance changes of Klebsiella, Clostridium sensu stricto 12, Thermobifida, Bifidobacterium, and Alistipes, indicating that these microbes might serve as prospective targets for the intestine–hepatopancreas axis to affect hepatopancreas apoptosis, metabolism, and non-specific immunity. In summary, 200 mg/kg TTO supplementation mediated gut microbiota and positively improved energy metabolism and non-specific immunity, thereby alleviating hepatopancreas dysplasia and damage induced by the LF diet in M. rosenbergii.
Funder
Healthy Freshwater Aquaculture, Ministry of Agriculture and Rural Affairs Key Laboratory of Fish Health and Nutrition of Zhejiang Province Zhejiang Institute of Freshwater Fisheries Jiangsu Province Agricultural Science and Technology Independent Innovation Fund China Agriculture Research System of MOF and MARA Central Public-Interest Scientific Institution Basal Research Fund, CAFS “333 High Level Talent Project in Key Industry” of Jiangsu Province
Subject
Cell Biology,Clinical Biochemistry,Molecular Biology,Biochemistry,Physiology
Reference67 articles.
1. Low fish meal diet supplemented with probiotics ameliorates intestinal barrier and immunological function of Macrobrachium rosenbergii via the targeted modulation of gut microbes and derived secondary metabolites;Zheng;Front. Immunol.,2013 2. Dietary effects of soybean products on gut microbiota and immunity of aquatic animals: A review;Zhou;Aquacult. Nutr.,2017 3. Chen, Y., Mitra, A., Rahimnejad, S., Chi, S., Kumar, V., Tan, B., Niu, J., and Xie, S. (2023). Reviews in Aquaculture, John Wiley & Sons, Ltd. 4. Effects of fructooligosaccharide on growth, immunity and intestinal microbiota of shrimp (Litopenaeus vannamei) fed diets with fish meal partially replaced by soybean meal;Hu;Aquacult. Nutr.,2018 5. “Perigastric organ”: A replacement name for the “hepatopancreas” of Decapoda;Cervellione;J. Crustac. Biol.,2017
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