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Ma YB, Zhou XQ, Jiang WD, Wu P, Liu Y, Li SW, Tang L, Zhang L, Mi HF, Feng L. Tea polyphenols protect against Flavobacterium columnare-induced gill injury via suppression of oxidative stress, inflammation, and apoptosis in grass carp. Int J Biol Macromol 2024; 254:127050. [PMID: 37742887 DOI: 10.1016/j.ijbiomac.2023.127050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 09/21/2023] [Accepted: 09/22/2023] [Indexed: 09/26/2023]
Abstract
Flavobacterium columnare (F. columnare) is one of the deadliest fish pathogens causing bacterial gill rot disease in various freshwater fish species globally. Tea polyphenols (TPs) are an inexpensive product extracted from tea that have received much attention as a feed additive in aquaculture. The current study was designed to investigate the underlying mechanisms and protective effects of dietary TPs against F. columnare-induced gill injury via suppression of oxidative stress, apoptosis, and inflammation in grass carp. TPs were not supplemented to the diet (control) and were supplemented at 40, 80, 120, 160 or 200 mg/kg diet. The feeding experiment was carried out for 60 days, followed by a 3-Day F. columnare challenge test. The results showed that 120 mg/kg TPs in the diet exerted the following five protective effects in fish gill: (1) control gill-rot disease and improved histopathology, (2) inhibit excessive apoptosis, (3) enhance the activity of antioxidant enzymes and upregulate related gene expression via the Nrf2/Keap1 pathway, (4) increase the activity of immune enzymes, And (5) mediate inflammatory cytokine gene expression via the JAK/STAT3 pathway. Taken together, dietary supplementation with TPs is a compelling approach to protect the gill function of fish against F. columnare.
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Affiliation(s)
- Yao-Bin Ma
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Shu-Wei Li
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Sichuan Animtech Feed Co. Ltd, Chengdu 610066, Sichuan, China
| | - Ling Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Sichuan Animtech Feed Co. Ltd, Chengdu 610066, Sichuan, China
| | - Lu Zhang
- Tongwei Co., Ltd., Healthy Aquaculture Key Laboratory of Sichuan Province, Chengdu, Sichuan 610041, China
| | - Hai-Feng Mi
- Tongwei Co., Ltd., Healthy Aquaculture Key Laboratory of Sichuan Province, Chengdu, Sichuan 610041, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
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Zhou J, Feng M, Zhang W, Kuang R, Zou Q, Su J, Yuan G. Oral administration of hepcidin and chitosan benefits growth, immunity, and gut microbiota in grass carp ( Ctenopharyngodon idella). Front Immunol 2022; 13:1075128. [PMID: 36591242 PMCID: PMC9798086 DOI: 10.3389/fimmu.2022.1075128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 11/28/2022] [Indexed: 12/23/2022] Open
Abstract
Intensive high-density culture patterns are causing an increasing number of bacterial diseases in fish. Hepcidin links iron metabolism with innate immunity in the process of resisting bacterial infection. In this study, the antibacterial effect of the combination of hepcidin (Cihep) and chitosan (CS) against Flavobacterium columnare was investigated. The dosing regimen was also optimized by adopting a feeding schedule of every three days and every seven days. After 56 days of feeding experiment, grass carp growth, immunity, and gut microbiota were tested. In vitro experiments, Cihep and CS can regulate iron metabolism and antibacterial activity, and that the combination of Cihep and CS had the best protective effect. In vivo experiments, Cihep and CS can improve the growth index of grass carp. After challenge with Flavobacterium columnare, the highest survival rate was observed in the Cihep+CS-3d group. By serum biochemical indicators assay and Prussian blue staining, Cihep and CS can increase iron accumulation and decrease serum iron levels. The contents of lysozyme and superoxide dismutase in Cihep+CS-3d group increased significantly. Meanwhile, Cihep and CS can significantly reduce the pathological damage of gill tissue. The 16S rRNA sequencing results showed that Cihep and CS can significantly increase the abundance and diversity of grass carp gut microbiota. These results indicated that the protective effect of consecutive 3-day feeding followed by a 3-day interval was better than that of consecutive 7-day feeding followed by a 7-day interval, and that the protective effect of Cihep in combination with chitosan was better than that of Cihep alone. Our findings optimize the feeding pattern for better oral administration of Cihep in aquaculture.
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Affiliation(s)
- Jiancheng Zhou
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, China,Wuhan DaBeiNong (DBN) Aquaculture Technology Co. LTD, Wuhan, Hubei, China
| | - Mengzhen Feng
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Weixiang Zhang
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Rui Kuang
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Qi Zou
- Wuhan DaBeiNong (DBN) Aquaculture Technology Co. LTD, Wuhan, Hubei, China
| | - Jianguo Su
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Gailing Yuan
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, China,*Correspondence: Gailing Yuan,
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Boamah GA, Huang Z, Shen Y, Lu Y, Wang Z, Su Y, Xu C, Luo X, Ke C, You W. Transcriptome analysis reveals fluid shear stress (FSS) and atherosclerosis pathway as a candidate molecular mechanism of short-term low salinity stress tolerance in abalone. BMC Genomics 2022; 23:392. [PMID: 35606721 PMCID: PMC9128277 DOI: 10.1186/s12864-022-08611-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 05/09/2022] [Indexed: 12/02/2022] Open
Abstract
Background Transcriptome sequencing is an effective tool to reveal the essential genes and pathways underlying countless biotic and abiotic stress adaptation mechanisms. Although severely challenged by diverse environmental conditions, the Pacific abalone Haliotis discus hannai remains a high-value aquaculture mollusk and a Chinese predominantly cultured abalone species. Salinity is one of such environmental factors whose fluctuation could significantly affect the abalone’s cellular and molecular immune responses and result in high mortality and reduced growth rate during prolonged exposure. Meanwhile, hybrids have shown superiority in tolerating diverse environmental stresses over their purebred counterparts and have gained admiration in the Chinese abalone aquaculture industry. The objective of this study was to investigate the molecular and cellular mechanisms of low salinity adaptation in abalone. Therefore, this study used transcriptome analysis of the gill tissues and flow cytometric analysis of hemolymph of H. discus hannai (DD) and interspecific hybrid H. discus hannai ♀ x H. fulgens ♂ (DF) during low salinity exposure. Also, the survival and growth rate of the species under various salinities were assessed. Results The transcriptome data revealed that the differentially expressed genes (DEGs) were significantly enriched on the fluid shear stress and atherosclerosis (FSS) pathway. Meanwhile, the expression profiles of some essential genes involved in this pathway suggest that abalone significantly up-regulated calmodulin-4 (CaM-4) and heat-shock protein90 (HSP90), and significantly down-regulated tumor necrosis factor (TNF), bone morphogenetic protein-4 (BMP-4), and nuclear factor kappa B (NF-kB). Also, the hybrid DF showed significantly higher and sustained expression of CaM and HSP90, significantly higher phagocytosis, significantly lower hemocyte mortality, and significantly higher survival at low salinity, suggesting a more active molecular and hemocyte-mediated immune response and a more efficient capacity to tolerate low salinity than DD. Conclusions Our study argues that the abalone CaM gene might be necessary to maintain ion equilibrium while HSP90 can offset the adverse changes caused by low salinity, thereby preventing damage to gill epithelial cells (ECs). The data reveal a potential molecular mechanism by which abalone responds to low salinity and confirms that hybridization could be a method for breeding more stress-resilient aquatic species. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-022-08611-8.
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Affiliation(s)
- Grace Afumwaa Boamah
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361102, People's Republic of China.,Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, Xiamen University, Xiamen, 361102, People's Republic of China.,College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102, People's Republic of China
| | - Zekun Huang
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361102, People's Republic of China.,Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, Xiamen University, Xiamen, 361102, People's Republic of China.,College of the Environment and Ecology, Xiamen University, 361102, Xiamen, PR China
| | - Yawei Shen
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361102, People's Republic of China.,Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, Xiamen University, Xiamen, 361102, People's Republic of China.,College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102, People's Republic of China
| | - Yisha Lu
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361102, People's Republic of China.,Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, Xiamen University, Xiamen, 361102, People's Republic of China.,College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102, People's Republic of China
| | - Zhixuan Wang
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361102, People's Republic of China.,Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, Xiamen University, Xiamen, 361102, People's Republic of China.,College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102, People's Republic of China
| | - Ying Su
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361102, People's Republic of China.,Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, Xiamen University, Xiamen, 361102, People's Republic of China.,College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102, People's Republic of China
| | - Changan Xu
- Third Institute of Oceanography, MNR, Xiamen, 361005, China
| | - Xuan Luo
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361102, People's Republic of China.,Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, Xiamen University, Xiamen, 361102, People's Republic of China.,College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102, People's Republic of China
| | - Caihuan Ke
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361102, People's Republic of China. .,Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, Xiamen University, Xiamen, 361102, People's Republic of China. .,College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102, People's Republic of China.
| | - Weiwei You
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361102, People's Republic of China. .,Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, Xiamen University, Xiamen, 361102, People's Republic of China. .,College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102, People's Republic of China.
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