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Cao J, Guo M, Qiu W, Mei J, Xie J. Effect of tea polyphenol-trehalose complex coating solutions on physiological stress and flesh quality of marine-cultured Turbot Scophthalmus maximus during waterless transport. JOURNAL OF AQUATIC ANIMAL HEALTH 2024; 36:151-163. [PMID: 38467576 DOI: 10.1002/aah.10213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 11/23/2023] [Accepted: 12/07/2023] [Indexed: 03/13/2024]
Abstract
OBJECTIVE The waterless transport of live fish has changed the present situation of live-fish transport. However, the waterless transport environment may cause stress in fish. This research evaluated the effect of tea polyphenol-trehalose (TPT) coating solutions on Turbot Scophthalmus maximus during waterless transport. METHODS After cold acclimation, Turbot were coated and subsequently transported in a waterless environment for 18 h. Physiological and biochemical parameters were measured, including lysozyme (LZM) and immunoglobulin M (IgM) activities, serum creatinine (Cr) and uric acid (UA) concentrations, and nutritional flavor. RESULT The results showed that the nonspecific immunity of Turbot was inhibited during the waterless transport; the LZM activity first increased and then decreased, and the serum Cr and UA concentrations significantly increased. In addition, the waterless transport promoted the breakdown of Turbot flesh proteins, leading to changes in nucleotides and free amino acids (FAAs). After waterless transport, the LZM and IgM activities in the TPT-treated Turbot were higher than those in the control group (CK), and the changes in FAA content and nucleotides were smaller than those observed in the CK group. CONCLUSION This study shows that the use of TPT coating solution can reduce the impact of waterless transportation stress on the immune and metabolic functions of Turbot and can maintain the meat quality and flavor of Turbot.
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Affiliation(s)
- Jie Cao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Meijie Guo
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Weiqiang Qiu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
- National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, China
- Shanghai Engineering Research Center of Aquatic Product Processing and Preservation, Shanghai, China
- Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai, China
| | - Jun Mei
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
- National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, China
- Shanghai Engineering Research Center of Aquatic Product Processing and Preservation, Shanghai, China
- Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai, China
| | - Jing Xie
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
- National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, China
- Shanghai Engineering Research Center of Aquatic Product Processing and Preservation, Shanghai, China
- Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai, China
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Wang B, Wang Y, Jia T, Feng J, Qu C, Wu X, Yang X, Zhang Q. Changes in physiological responses and immunity of blunt snout bream Megalobrama amblycephala from transport stress. FISH PHYSIOLOGY AND BIOCHEMISTRY 2022; 48:1183-1192. [PMID: 35945370 DOI: 10.1007/s10695-022-01108-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 07/31/2022] [Indexed: 06/15/2023]
Abstract
This study aimed to investigate the effects of transport stress on the physiological responses and immunity of Megalobrama amblycephala (blunt snout bream). Fish (109.67 ± 1.51 g) were sampled at nine time points: before transport (control), at 0 h, 1 h, 3 h, 6 h, 12 h, 24 h, 3 days, and 7 days after 4 h of medium-distance transportation, and four fish were sampled in each time point. The results showed that plasma cortisol, triiodothyronine (T3), complement component 3 (C3), complement component 4 (C4), immunoglobulin M (IgM) and nitrogen monoxide (NO) concentrations, and alternative complement pathway (ACH50), acid phosphatase (ACP), and myeloperoxidase (MPO) activities all reached the peak at 0 h after transportation; C4 and NO concentrations as well as ACP and MPO activities returned to the control level after 1 h, ACH50 activity as well as cortisol, T3, and IgM concentration returned to the control level after 12 h, and C3 concentration returned to the control level after 24 h respectively. Plasma glucose and total protein concentrations as well as lysozyme activity all reached the peak at 1 h after transportation, total protein concentration and lysozyme activity returned to the control level after 3 h, and glucose concentration returned to the control level after 6 h (P < 0.05). Liver heat shock protein 70 expression reached the peak at 1 h after transportation, and returned to the control level after 24 h; liver heat shock protein 90 expression reached the peak at 0 h after transportation and returned to the control level after 12 h (P < 0.05). Overall, these findings suggested that 4 h of medium-distance transportation caused stress response of blunt snout bream, and transport stress had a significant effect on plasma indicators. But the recovery of 24 h after transport could return the physiological response, immune indexes, and the expression of heat shock protein to the normal level. This also provided data support for the medium-distance transportation of blunt snout bream in the future.
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Affiliation(s)
- Bingke Wang
- Henan Academy of Fishery Sciences, Zhengzhou, 450044, People's Republic of China
- Henan Fishery Engineering Technology Research Center, Zhengzhou, 450044, People's Republic of China
| | - Yanhui Wang
- Henan Academy of Fishery Sciences, Zhengzhou, 450044, People's Republic of China
- Henan Fishery Engineering Technology Research Center, Zhengzhou, 450044, People's Republic of China
| | - Tao Jia
- Henan Academy of Fishery Sciences, Zhengzhou, 450044, People's Republic of China
- Henan Fishery Engineering Technology Research Center, Zhengzhou, 450044, People's Republic of China
| | - Jianxin Feng
- Henan Academy of Fishery Sciences, Zhengzhou, 450044, People's Republic of China
- Henan Fishery Engineering Technology Research Center, Zhengzhou, 450044, People's Republic of China
| | - Changyi Qu
- Henan Academy of Fishery Sciences, Zhengzhou, 450044, People's Republic of China
- Henan Fishery Engineering Technology Research Center, Zhengzhou, 450044, People's Republic of China
| | - Xiaojun Wu
- Henan Academy of Fishery Sciences, Zhengzhou, 450044, People's Republic of China
- Henan Fishery Engineering Technology Research Center, Zhengzhou, 450044, People's Republic of China
| | - Xingli Yang
- Henan Academy of Fishery Sciences, Zhengzhou, 450044, People's Republic of China
- Henan Fishery Engineering Technology Research Center, Zhengzhou, 450044, People's Republic of China
| | - Qin Zhang
- Henan Academy of Fishery Sciences, Zhengzhou, 450044, People's Republic of China.
- Henan Fishery Engineering Technology Research Center, Zhengzhou, 450044, People's Republic of China.
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Integrated Transcriptome and 16S rDNA Analyses Reveal That Transport Stress Induces Oxidative Stress and Immune and Metabolic Disorders in the Intestine of Hybrid Yellow Catfish (Tachysurus fulvidraco♀ × Pseudobagrus vachellii♂). Antioxidants (Basel) 2022; 11:antiox11091737. [PMID: 36139809 PMCID: PMC9496016 DOI: 10.3390/antiox11091737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/21/2022] [Accepted: 08/22/2022] [Indexed: 11/16/2022] Open
Abstract
Live fish are often transported in aquaculture. To explore the effects of transport stress, hybrid yellow catfish (Tachysurus fulvidraco♀ × Pseudobagrus vachellii♂) were subjected to simulated transport treatments (0–16 h) with 96 h of recovery after the 16-h transport treatment, and intestinal biochemical parameters, the transcriptome, and gut microbiota were analyzed. Transportation affected the number of mucus cells and led to oxidative stress in the intestine, which activated immune responses. Changes in lipid metabolism reflected metabolic adaptation to oxidative stress. Toll-like receptor signaling, peroxisome proliferator-activated receptor signaling, and steroid biosynthesis pathways were involved in the transport stress response. Gene expression analyses indicated that transport-induced local immune damage was reversible, whereas disordered metabolism recovered more slowly. A 16S rDNA analysis revealed that transport stress decreased the alpha diversity of the gut microbiota and disrupted its homeostasis. The dominant phyla (Fusobacteria, Bacteroidetes) and genera (Cetobacterium, Barnesiellaceae) were involved in the antioxidant, immune, and metabolic responses of the host to transportation stress. Correlation analyses suggested that gut microbes participate in the transport stress response and the host–microbiota interaction may trigger multiple events in antioxidant, immune, and metabolic pathways. Our results will be useful for optimizing transport processes.
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Zheng T, Song Z, Tao Y, Qiang J, Ma J, Lu S, Xu P. Transport stress induces innate immunity responses through TLR and NLR signaling pathways and increases mucus cell number in gills of hybrid yellow catfish (Tachysurus fulvidraco ♀ × Pseudobagrus vachellii ♂). FISH & SHELLFISH IMMUNOLOGY 2022; 127:166-175. [PMID: 35716971 DOI: 10.1016/j.fsi.2022.06.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 06/07/2022] [Accepted: 06/09/2022] [Indexed: 06/15/2023]
Abstract
Transport stress poses a threat to most teleost fish in production, causing mass losses to the aquaculture industry. Fish gills are a mucosa-associated lymphoid tissue in direct contact with water, and they represent an ideal tissue type to study mechanisms of transport stress. In this study, hybrid yellow catfish (Tachysurus fulvidraco ♀ × Pseudobagrus vachellii ♂) were exposed to simulated transport stress for 16 h and then allowed to recover for 96 h. Gill tissues and blood samples were collected at 0 h, 2 h, 4 h, 8 h, and 16 h of transport stress and after 96 h of recovery, as well as from fish in a control group at the same sampling times. The activities of alkaline phosphatase, acid phosphatase, and superoxide dismutase and the total antioxidant capacity first increased and then decreased during the 16 h transport treatment. Exposure to 16 h of transport stress resulted in decreased serum triglyceride and total cholesterol contents, increased serum glucose content, increased activities of alanine aminotransferase and aspartate transaminase, and more mucus cells, compared with the control group. Transcriptome analysis revealed differential expression of 1525 genes (803 down-regulated and 722 up-regulated) between the control and 16 h transportation groups. Functional analyses revealed that the differentially expressed genes were enriched in immune response, signal transduction, and energy metabolism pathways. We found that tlr5, tnfɑ, hsp90ɑ, il-1ß, map2k4, il12ba were clearly up-regulated and arrdc2, syngr1a were clearly down-regulated following 8 h and/or 16 h simulated transport after qRT-PCR validation. These findings suggested that Toll- and NOD-like receptor signaling pathways potentially mediate transport stress. Transport stress altered innate immunity responses and energy use in the gill tissues of hybrid yellow catfish. After 96 h of recovery, only alanine aminotransferase and alkaline phosphatase activities and the number of mucus cells had returned to control levels. We speculate that for juvenile yellow catfish to recover to a normal state, a recovery period of more than 96 h is required after 16 h of transportation. These results provide new perspectives on the immune response of yellow catfish under transport stress and theoretical support for future optimization of their transportation.
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Affiliation(s)
- Tao Zheng
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China
| | - Zhuo Song
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China
| | - Yifan Tao
- 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
| | - Jun Qiang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China; 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.
| | - Junlein Ma
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China
| | - Siqi Lu
- 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
| | - Pao Xu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China; 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.
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5
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Zhao BC, Tang YX, Qiu BH, Xu HL, Wang TH, Elsherbeni AIA, Gharib HBA, Li JL. Astragalus polysaccharide mitigates transport stress-induced hepatic metabolic stress via improving hepatic glucolipid metabolism in chicks. J Anim Sci 2022; 100:6648457. [PMID: 35866893 DOI: 10.1093/jas/skac244] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Accepted: 07/20/2022] [Indexed: 11/14/2022] Open
Abstract
In the modern poultry industry, newly hatched chicks are unavoidably transported from the hatching to the rearing foster. Stress caused by multiple physical and psychological stressors during transportation is particularly harmful to the liver. Astragalus polysaccharide (APS) possesses multiple benefits against hepatic metabolic disorders. Given that transport stress could disturb hepatic glucolipid metabolism and the role of APS in metabolic regulation, we speculated that APS could antagonize transport stress-induced disorder of hepatic glucolipid metabolism. Firstly, newly hatched chicks were transported for 0, 2, 4, 8 h, respectively. Subsequently, to further investigated the effects of APS on transport stress-induced hepatic glucolipid metabolism disturbance, chicks were pretreated with water or APS and then subjected to transport treatment. Our study suggested that APS could relieve transport stress induced lipid deposition in liver. Meanwhile, transport stress also induced disturbances in glucose metabolism, reflected by augmented mRNA expression of key molecules in gluconeogenesis and glycogenolysis. Surprisingly, APS could simultaneously alleviate these alterations via PGC1α/SIRT1/AMPK pathway. Moreover, APS treatment regulated the level of PPARα and PPARγ, thereby alleviating transport stress-induced alterations of VLDL synthesis, cholesterol metabolism, lipid oxidation, synthesis and transport-related molecules. These findings indicated that APS could prevent the potential against transport stress-induced hepatic glucolipid metabolism disorders via PGC1α/ SIRT1/ AMPK/ PPARα/ PPARγ signaling system.
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Affiliation(s)
- Bi-Chen Zhao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, P. R. China
| | - Yi-Xi Tang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, P. R. China
| | - Bai-Hao Qiu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, P. R. China
| | - Hao-Liang Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, P. R. China
| | - Tian-Hao Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, P. R. China
| | | | | | - Jin-Long Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, P. R. China.,Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Northeast Agricultural University, Harbin, 150030, P. R. China.,Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Northeast Agricultural University, Harbin, 150030, P. R. China
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6
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Xu Y, Peng T, Xiang Y, Liao G, Zou F, Meng X. Neurotoxicity and gene expression alterations in zebrafish larvae in response to manganese exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 825:153778. [PMID: 35150691 DOI: 10.1016/j.scitotenv.2022.153778] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 02/03/2022] [Accepted: 02/06/2022] [Indexed: 06/14/2023]
Abstract
Manganese (Mn) is an essential trace element, but excessive exposure can damage mental, cognitive, and motor functions. Although many studies have reported the toxicity of Mn, the underlying mechanism remains unclear. Here, wild-type and/or Tg(NBT:DsRed) zebrafish embryos/larvae were exposed to different dosages of Mn to determine the effects on mortality, malformation, and hatching rates. A video tracking system was used to analyze the locomotor activities of zebrafish larvae. The terminal deoxynucleotidyl transferase dUTP nick end labeling assay and acridine orange staining were performed to monitor cell apoptosis, while dopamine transporter and tyrosine hydroxylase (TH) expression were detected by immunohistochemical staining. Meanwhile, transcriptome sequencing of the head tissues of zebrafish larvae was performed to search for molecular targets of Mn neurotoxicity. The results showed that Mn exposure increased the mortality and malformation rates of zebrafish larvae, and significantly reduced swim distance and velocity. In addition, the proportion of apoptotic dopaminergic neurons increased, while TH expression significantly decreased. The results of transcriptome sequencing showed that a large number of differentially expressed genes associated with apoptosis and DNA damage repair were upregulated, consistent with the above results. Meanwhile, Western blot analysis showed that higher exposure level of Mn could induce activation of MAPK pathway. These data demonstrate that Mn exposure can damage dopaminergic neurons and cause apoptosis, which has detrimental effects on the motor abilities of zebrafish larvae.
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Affiliation(s)
- Yongjie Xu
- Department of Occupational Health and Occupational Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Tao Peng
- Department of Occupational Health and Occupational Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Yang Xiang
- Department of Occupational Health and Occupational Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Gengze Liao
- Department of Occupational Health and Occupational Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Fei Zou
- Department of Occupational Health and Occupational Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Xiaojing Meng
- Department of Occupational Health and Occupational Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China.
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7
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Zheng T, Song Z, Qiang J, Tao Y, Zhu H, Ma J, Xu P. Transport Stress Induces Skin Innate Immunity Response in Hybrid Yellow Catfish ( Tachysurus fulvidraco♀ × P. vachellii♂) Through TLR/NLR Signaling Pathways and Regulation of Mucus Secretion. Front Immunol 2021; 12:740359. [PMID: 34712228 PMCID: PMC8545808 DOI: 10.3389/fimmu.2021.740359] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 09/28/2021] [Indexed: 12/14/2022] Open
Abstract
The transport of live fish is a necessary step for commercial production. The skin of teleost fish is the first non-specific immune barrier against exogenous stimuli, and it plays an important protective role under transport stress. Thus, the aim of this study was to explore the skin responses to transport stress in hybrid yellow catfish (Tachysurus fulvidraco♀ × Pseudobagrus vachellii♂) through transcriptome and biochemical analyses. Water samples were collected during a simulated transport treatment. Biochemical indexes and/or gene expression in blood, skin, and mucus in fish in control groups and transport-stress groups (0 h, 2 h, 4 h, 8 h, 16 h) were assayed. The levels of total ammonia-nitrogen and nitrite-nitrogen in the water increased with increasing transport time. Comparison of skin transcriptomes between the control group and the group subjected to 16 h of transport revealed 1547 differentially expressed genes (868 up-regulated and 679 down-regulated). The results of the transcriptome analysis were validated by analyses of the expression levels of selected genes by qRT-PCR. The results indicated that the toll-like receptors and nod-like receptors signaling pathways mediate the skin's immune response to transport stress: tlr9, mfn2, and ikbke were significantly up-regulated and nfkbia and map3k7cl were significantly down-regulated under transport stress. With increasing transport time, lysozyme activity and the immunoglobulin M content in skin mucus first increased and then decreased. The number of mucous cells peaked at 8 h of transport stress, and then decreased. The mucus cells changed from types II and IV to types I, II, III, and IV. The amounts of red and white blood cells and the levels of hemoglobin and hematocrit first increased and then decreased during 16 h of transport stress. Together, the results showed that the skin responds to transport stress by activating the immune signaling pathway and regulating mucus secretion. These findings have important biological significance for selecting strains that tolerate transport, as well as economic significance for optimizing the transport conditions for scaleless fish.
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Affiliation(s)
- Tao Zheng
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Zhuo Song
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Jun Qiang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China.,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, China
| | - Yifan Tao
- 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, China
| | - Haojun Zhu
- 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, China
| | - Junlei Ma
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Pao Xu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China.,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, China
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8
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Affiliation(s)
- Rory M Power
- Morgridge Institute for Research, Madison, WI, USA
| | - Jan Huisken
- Morgridge Institute for Research, Madison, WI, USA. .,Department of Integrative Biology, University of Wisconsin-Madison, Madison, WI, USA.
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9
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Newhouse DJ, Barcelo-Serra M, Tuttle EM, Gonser RA, Balakrishnan CN. Parent and offspring genotypes influence gene expression in early life. Mol Ecol 2019; 28:4166-4180. [PMID: 31421010 DOI: 10.1111/mec.15205] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 07/29/2019] [Accepted: 07/31/2019] [Indexed: 12/16/2022]
Abstract
Parents can have profound effects on offspring fitness. Little, however, is known about the mechanisms through which parental genetic variation influences offspring physiology in natural systems. White-throated sparrows (Zonotrichia albicollis, WTSP) exist in two genetic morphs, tan and white, controlled by a large polymorphic supergene. Morphs mate disassortatively, resulting in two pair types: tan male × white female (T × W) pairs, which provide biparental care and white male × tan female (W × T) pairs, which provide female-biased care. To investigate how parental composition impacts offspring, we performed RNA-seq on whole blood of WTSP nestlings sampled from nests of both pair types. Parental pair type had a large effect on nestling gene expression, with 881 genes differentially expressed (DE) and seven correlated gene coexpression modules. The DE genes and modules expressed at higher levels in W × T nests with female-biased parental care function in metabolism and stress-related pathways resulting from the overrepresentation of proteolysis and stress-response genes (e.g., SOD2, NR3C1). These results show that parental genotypes and/or associated behaviours influence nestling physiology, and highlight avenues of further research investigating the ultimate implications for the maintenance of this polymorphism. Nestlings also exhibited morph-specific gene expression, with 92 differentially expressed genes, comprising immunity genes and genes encompassed by the supergene. Remarkably, we identified the same regulatory hub genes in these blood-derived expression networks as were previously identified in adult WTSP brains (EPM2A, BPNT1, TAF5L). These hub genes were located within the supergene, highlighting the importance of this gene complex in structuring regulatory networks across diverse tissues.
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Affiliation(s)
- Daniel J Newhouse
- Department of Biology, East Carolina University, Greenville, NC, USA
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10
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Lu DL, Ma Q, Sun SX, Zhang H, Chen LQ, Zhang ML, Du ZY. Reduced oxidative stress increases acute cold stress tolerance in zebrafish. Comp Biochem Physiol A Mol Integr Physiol 2019; 235:166-173. [PMID: 31220619 DOI: 10.1016/j.cbpa.2019.06.009] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 06/06/2019] [Accepted: 06/07/2019] [Indexed: 11/18/2022]
Abstract
Cold stress is a major threat to fish in both nature and aquaculture, and can induce oxidative stress in various fish. While the exact role of oxidative stress in cold-caused mortality is still unknown. The purpose of the present study was to evaluate the effects of oxidative stress on cold tolerance in fish and verify whether changing oxidative status could affect cold tolerance. We firstly demonstrated that acute cold exposure induced high oxidative stress in zebrafish liver, which may lead to mortality. Then we performed in vivo and in vitro experiments to determine the effects of the altered oxidative status on cold tolerance in zebrafish and zebrafish liver cell line (ZFL), respectively. In the in vivo study, the zebrafish which were fed with α-lipoic acid or reduced glutathione had lower cold-caused oxidative stress and tissues damage, and showed higher cold tolerance. In the experiment using zebrafish cells, increasing oxidative stress by H2O2 decreased the cellular cold tolerance, and the cold tolerance was partly recovered when oxidative stress was reduced by the addition of Vitamin C (VC). Taken together, we conclude that the reduction of oxidative stress increases cold tolerance in fish.
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Affiliation(s)
- Dong-Liang Lu
- LANEH, School of Life Sciences, East China Normal University, Shanghai 200241, PR China
| | - Qiang Ma
- LANEH, School of Life Sciences, East China Normal University, Shanghai 200241, PR China
| | - Sheng-Xiang Sun
- LANEH, School of Life Sciences, East China Normal University, Shanghai 200241, PR China
| | - Han Zhang
- LANEH, School of Life Sciences, East China Normal University, Shanghai 200241, PR China
| | - Li-Qiao Chen
- LANEH, School of Life Sciences, East China Normal University, Shanghai 200241, PR China
| | - Mei-Ling Zhang
- LANEH, School of Life Sciences, East China Normal University, Shanghai 200241, PR China
| | - Zhen-Yu Du
- LANEH, School of Life Sciences, East China Normal University, Shanghai 200241, PR China.
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11
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Lu DL, Ma Q, Wang J, Li LY, Han SL, Limbu SM, Li DL, Chen LQ, Zhang ML, Du ZY. Fasting enhances cold resistance in fish through stimulating lipid catabolism and autophagy. J Physiol 2019; 597:1585-1603. [PMID: 30615194 DOI: 10.1113/jp277091] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Accepted: 01/02/2019] [Indexed: 02/06/2023] Open
Abstract
KEY POINTS In a cold environment, mammals increase their food intake while fish decrease or stop feeding. However, the physiological value of fasting during cold resistance in fish is currently unknown. Fasting for more than 48 h enhanced acute cold resistance in zebrafish, which correlated with lipid catabolism and cell damage attenuation. Lipid catabolism and autophagy were necessary for cold resistance in fish and the inhibition of mitochondrial fatty acid β-oxidation or autophagy weakened the fasting-induced cold resistance. Repression of mechanistic target of rapamycin (mTOR) signalling pathway by rapamycin largely mimicked the beneficial effects of fasting in promoting cold resistance, suggesting mTOR signalling may be involved in the fasting-induced cold resistance in fish. Our study demonstrates that fasting may be a protective strategy for fish to survive under cold stress. ABSTRACT In cold environments, most homeothermic animals increase their food intake to supply more energy to maintain body temperature, whereas most poikilothermic animals such as fishes decrease or even stop feeding under cold stress. However, the physiological value of fasting during cold resistance in poikilotherms has not been explained. Here, we show that moderate fasting largely enhanced cold resistance in fish. By using pharmacological (fenofibrate, mildronate, chloroquine and rapamycin) and nutritional approaches (fatty acids diets and amino acids diets) in wild-type or specific gene knock-out zebrafish models (carnitine palmitoyltransferase-1b-deficient strain, CPT1b-/- , or autophagy-related protein 12-deficient strain, ATG12-/- ), we verified that fasting-stimulated lipid catabolism and autophagy played essential roles in the improved cold resistance. Moreover, suppression of the mechanistic target of rapamycin (mTOR) pathway by using rapamycin mostly mimicked the beneficial effects of fasting in promoting cold resistance as either the physiological phenotype or transcriptomic pattern. However, these beneficial effects were largely reduced when the mTOR pathway was activated through high dietary leucine supplementation. We conclude that fasting helps fish to resist cold stress by modulating lipid catabolism and autophagy, which correlates with the mTOR signalling pathway. Therefore, fasting can act as a protective strategy of fish in resisting coldness.
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Affiliation(s)
- Dong-Liang Lu
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P. R. China
| | - Qiang Ma
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P. R. China
| | - Jing Wang
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P. R. China
| | - Ling-Yu Li
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P. R. China
| | - Si-Lan Han
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P. R. China
| | - Samwel Mchele Limbu
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P. R. China.,Department of Aquatic Sciences and Fisheries Technology, University of Dar es Salaam, Dar es Salaam, Tanzania
| | - Dong-Liang Li
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P. R. China
| | - Li-Qiao Chen
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P. R. China
| | - Mei-Ling Zhang
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P. R. China
| | - Zhen-Yu Du
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P. R. China
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12
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Jerez-Cepa I, Gorissen M, Mancera JM, Ruiz-Jarabo I. What can we learn from glucocorticoid administration in fish? Effects of cortisol and dexamethasone on intermediary metabolism of gilthead seabream (Sparus aurata L.). Comp Biochem Physiol A Mol Integr Physiol 2019; 231:1-10. [PMID: 30690148 DOI: 10.1016/j.cbpa.2019.01.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 12/20/2018] [Accepted: 01/21/2019] [Indexed: 02/06/2023]
Abstract
In aquaculture facilities fish welfare could be compromised due to stressors. Fish deal with stress, inter alia, through the activation of the hypothalamic-pituitary-interrenal endocrine axis and, as a result, corticosteroids are released into the blood. Recent studies have described that corticosteroids actions depend on the specific affinities to their receptors, and the subsequent differentiated responses. Cortisol is the main corticosteroid hormone in teleost fish, being its actions dependent on the intensity and time of exposure to stressors. Short-term effects of corticosteroids are well described, but long-term effects, including changes in the energy management directly affecting growth and survival, are less understood in fish. Here we show the effects of chronic oral administration of cortisol and the synthetic glucocorticoid dexamethasone (DXM) on the intermediary metabolism of the gilthead seabream (Sparus aurata). We described a higher energy expenditure associated to both corticosteroids resulting in lower growth rates of fish. Moreover, the effects of these compounds were tissue-dependant, with differences between both hormones. Thus, cortisol-fed animals accumulated triglycerides in the liver, while DXM treatment led to glycogen storage. Cortisol and DXM stimulated amino acids catabolism and gluconeogenic pathways in muscle and gills, but the effects were significantly enhanced in DXM-fed fish. The described effects highlighted differentiated mechanisms of action associated to both corticosteroids under chronic stress conditions. Further studies should aim at describing those pathways in detail, with special attention to the functionality of glucocorticoid receptor isoforms. The effects described here for S. aurata juveniles, may serve as a basis to assess long-term stress in future comparative studies with other aquaculture species.
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Affiliation(s)
- I Jerez-Cepa
- Department of Biology, Faculty of Marine and Environmental Sciences, Instituto Universitario de Investigación Marina (INMAR), Universidad de Cádiz, Campus de Excelencia Internacional del Mar (CEI·MAR), Av. República Saharaui s/n, E-11510 Puerto Real, Cádiz, Spain.
| | - M Gorissen
- Radboud University, Institute for Water and Wetland Research, Department of Animal Ecology and Physiology, Heyendaalseweg 135, 6525 AJ Nijmegen, the Netherlands.
| | - J M Mancera
- Department of Biology, Faculty of Marine and Environmental Sciences, Instituto Universitario de Investigación Marina (INMAR), Universidad de Cádiz, Campus de Excelencia Internacional del Mar (CEI·MAR), Av. República Saharaui s/n, E-11510 Puerto Real, Cádiz, Spain.
| | - I Ruiz-Jarabo
- Department of Biology, Faculty of Marine and Environmental Sciences, Instituto Universitario de Investigación Marina (INMAR), Universidad de Cádiz, Campus de Excelencia Internacional del Mar (CEI·MAR), Av. República Saharaui s/n, E-11510 Puerto Real, Cádiz, Spain.
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13
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Naour S, Espinoza BM, Aedo JE, Zuloaga R, Maldonado J, Bastias-Molina M, Silva H, Meneses C, Gallardo-Escarate C, Molina A, Valdés JA. Transcriptomic analysis of the hepatic response to stress in the red cusk-eel (Genypterus chilensis): Insights into lipid metabolism, oxidative stress and liver steatosis. PLoS One 2017; 12:e0176447. [PMID: 28448552 PMCID: PMC5407771 DOI: 10.1371/journal.pone.0176447] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Accepted: 04/10/2017] [Indexed: 01/04/2023] Open
Abstract
Teleosts exhibit a broad divergence in their adaptive response to stress, depending on the magnitude, duration, and frequency of stressors and the species receiving the stimulus. We have previously reported that the red cusk-eel (Genypterus chilensis), an important marine farmed fish, shows a physiological response to stress that results in increased skeletal muscle atrophy mediated by over-expression of components of the ubiquitin proteasome and autophagy-lysosomal systems. To better understand the systemic effects of stress on the red cusk-eel metabolism, the present study assessed the transcriptomic hepatic response to repetitive handling-stress. Using high-throughput RNA-seq, 259 up-regulated transcripts were found, mostly associated with angiogenesis, gluconeogenesis, and triacylglyceride catabolism. Conversely, 293 transcripts were down-regulated, associated to cholesterol biosynthesis, PPARα signaling, fatty acid biosynthesis, and glycolysis. This gene signature was concordant with hepatic metabolite levels and hepatic oxidative damage. Moreover, the increased plasmatic levels of AST (aspartate aminotransferase), ALT (alanine aminotransferase) and AP (alkaline phosphatase), as well as liver histology suggest stress-induced liver steatosis. This study offers an integrative molecular and biochemical analysis of the hepatic response to handling-stress, and reveals unknown aspects of lipid metabolism in a non-model teleost.
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Affiliation(s)
- Sebastian Naour
- Universidad Andres Bello, Laboratorio de Biotecnología Molecular, Facultad Ciencias Biológicas, Santiago, Chile
- Interdisciplinary Center for Aquaculture Research (INCAR), Concepción, Chile
| | - Brisa M. Espinoza
- Universidad Andres Bello, Laboratorio de Biotecnología Molecular, Facultad Ciencias Biológicas, Santiago, Chile
- Interdisciplinary Center for Aquaculture Research (INCAR), Concepción, Chile
| | - Jorge E. Aedo
- Universidad Andres Bello, Laboratorio de Biotecnología Molecular, Facultad Ciencias Biológicas, Santiago, Chile
- Interdisciplinary Center for Aquaculture Research (INCAR), Concepción, Chile
| | - Rodrigo Zuloaga
- Universidad Andres Bello, Laboratorio de Biotecnología Molecular, Facultad Ciencias Biológicas, Santiago, Chile
- Interdisciplinary Center for Aquaculture Research (INCAR), Concepción, Chile
| | - Jonathan Maldonado
- Universidad de Chile, Facultad de Ciencias Agronómicas, Departamento de Producción Agrícola, Laboratorio de Genómica Funcional & Bioinformática, Av. Santa Rosa, La Pintana, Santiago, Chile
| | - Macarena Bastias-Molina
- Universidad Andres Bello, Centro de Biotecnología Vegetal, FONDAP Center for Genome Regulation, Facultad de Ciencias Biológicas, Santiago, Chile
| | - Herman Silva
- Universidad de Chile, Facultad de Ciencias Agronómicas, Departamento de Producción Agrícola, Laboratorio de Genómica Funcional & Bioinformática, Av. Santa Rosa, La Pintana, Santiago, Chile
| | - Claudio Meneses
- Universidad Andres Bello, Centro de Biotecnología Vegetal, FONDAP Center for Genome Regulation, Facultad de Ciencias Biológicas, Santiago, Chile
| | - Cristian Gallardo-Escarate
- Interdisciplinary Center for Aquaculture Research (INCAR), Concepción, Chile
- Universidad de Concepción, Laboratory of Biotechnology and Aquatic Genomics, Concepción, Chile
| | - Alfredo Molina
- Universidad Andres Bello, Laboratorio de Biotecnología Molecular, Facultad Ciencias Biológicas, Santiago, Chile
- Interdisciplinary Center for Aquaculture Research (INCAR), Concepción, Chile
- Universidad Andres Bello, Centro de Investigación Marina Quintay (CIMARQ), Facultad de Ecología y Recursos Naturales, Valparaíso, Chile
- * E-mail: (AM); (JAV)
| | - Juan Antonio Valdés
- Universidad Andres Bello, Laboratorio de Biotecnología Molecular, Facultad Ciencias Biológicas, Santiago, Chile
- Interdisciplinary Center for Aquaculture Research (INCAR), Concepción, Chile
- Universidad Andres Bello, Centro de Investigación Marina Quintay (CIMARQ), Facultad de Ecología y Recursos Naturales, Valparaíso, Chile
- * E-mail: (AM); (JAV)
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14
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Li WM, Chan CM, Miller AL, Lee CH. Dual Functional Roles of Molecular Beacon as a MicroRNA Detector and Inhibitor. J Biol Chem 2017; 292:3568-3580. [PMID: 28100783 PMCID: PMC5339743 DOI: 10.1074/jbc.m116.765776] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 01/04/2017] [Indexed: 12/23/2022] Open
Abstract
MicroRNAs are essential in many cellular processes. The ability to detect microRNAs is important for understanding its function and biogenesis. This study is aimed at using a molecular beacon to detect miR-430 in developing zebrafish embryos as a proof of principle. miR-430 is crucial for the clearance of maternal mRNA during maternal zygotic transition in embryonic development. Despite its known function, the temporal and spatial expression of miR-430 remains unclear. We used various imaging techniques, including laser scanning confocal microscopy, spinning disk, and lightsheet microscopy, to study the localization of miR-430 and any developmental defects possibly caused by the molecular beacon. Our results show that miR-430 is expressed early in development and is localized in distinct cytoplasmic granules where its target mRNA can be detected. We also show that the designed molecular beacon can inhibit the function of miR-430 and cause developmental defect in the brain, notochord, heart, and kidney, depending on the delivery site within the embryo, suggesting that miR-430 plays a diverse role in embryonic morphogenesis. When compared with morpholino, molecular beacon is 2 orders of magnitude more potent in inhibiting miR-430. Thus, our results reveal that in addition to being used as a valuable tool for the detection of microRNAs in vivo, molecular beacons can also be employed to inhibit microRNAs in a specific manner.
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Affiliation(s)
- Wai Ming Li
- From the Chemistry Program, University of Northern British Columbia, Prince George, British Columbia V2N 4Z9, Canada and
| | - Ching-Man Chan
- the Division of Life Science and Key State Laboratory for Molecular Neuroscience, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Andrew L Miller
- the Division of Life Science and Key State Laboratory for Molecular Neuroscience, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Chow H Lee
- From the Chemistry Program, University of Northern British Columbia, Prince George, British Columbia V2N 4Z9, Canada and
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15
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Jarque S, Piña B. Deiodinases and thyroid metabolism disruption in teleost fish. ENVIRONMENTAL RESEARCH 2014; 135:361-375. [PMID: 25462686 DOI: 10.1016/j.envres.2014.09.022] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Revised: 09/09/2014] [Accepted: 09/26/2014] [Indexed: 06/04/2023]
Abstract
Many xenobiotic compounds with endocrine disrupting activity have been described since the late eighties. These compounds are able to interact with natural hormone systems and potentially induce deleterious effects in wildlife, notably piscine species. However, while the characterization of endocrine disruptors with "dioxin-like", estrogenic or androgenic activities is relatively well established, little is known about environmentally relevant pollutants that may act at thyroid system level. Iodothyronine deiodinases, the key enzymes in the activation and inactivation of thyroid hormones, have been suggested as suitable biomarkers for thyroid metabolism disruption. The present article reviews the biotic and abiotic factors that are able to modulate deiodinases in teleosts, a representative model organism for vertebrates. Data show that deiodinases are highly sensitive to several physiological and physical variables, so they should be taken into account to establish natural basal deiodination patterns to further understand responses under chemical exposure. Among xenobiotic compounds, brominated flame retardants are postulated as chemicals of major concern because of their similar structure shared with thyroid hormones. More ambiguous results are shown for the rest of compounds, i.e. polychlorinated biphenyls, perfluorinated chemicals, pesticides, metals and synthetic drugs, in part due to the limited information available. The different mechanisms of action still remain unknown for most of those compounds, although several hypothesis based on observed effects are discussed. Future tasks are also suggested with the aim of moving forward in the full characterization of chemical compounds with thyroid disrupting activity.
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Affiliation(s)
- Sergio Jarque
- Masaryk University, Faculty of Science, RECETOX, Kamenice 5/753, CZ62500 Brno, Czech Republic.
| | - Benjamin Piña
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Jordi Girona, 18, 08034 Barcelona, Spain.
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16
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RNA-seq analysis of early hepatic response to handling and confinement stress in rainbow trout. PLoS One 2014; 9:e88492. [PMID: 24558395 PMCID: PMC3928254 DOI: 10.1371/journal.pone.0088492] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2013] [Accepted: 01/07/2014] [Indexed: 12/02/2022] Open
Abstract
Fish under intensive rearing conditions experience various stressors which have negative impacts on survival, growth, reproduction and fillet quality. Identifying and characterizing the molecular mechanisms underlying stress responses will facilitate the development of strategies that aim to improve animal welfare and aquaculture production efficiency. In this study, we used RNA-seq to identify transcripts which are differentially expressed in the rainbow trout liver in response to handling and confinement stress. These stressors were selected due to their relevance in aquaculture production. Total RNA was extracted from the livers of individual fish in five tanks having eight fish each, including three tanks of fish subjected to a 3 hour handling and confinement stress and two control tanks. Equal amount of total RNA of six individual fish was pooled by tank to create five RNA-seq libraries which were sequenced in one lane of Illumina HiSeq 2000. Three sequencing runs were conducted to obtain a total of 491,570,566 reads which were mapped onto the previously generated stress reference transcriptome to identify 316 differentially expressed transcripts (DETs). Twenty one DETs were selected for qPCR to validate the RNA-seq approach. The fold changes in gene expression identified by RNA-seq and qPCR were highly correlated (R2 = 0.88). Several gene ontology terms including transcription factor activity and biological process such as glucose metabolic process were enriched among these DETs. Pathways involved in response to handling and confinement stress were implicated by mapping the DETs to reference pathways in the KEGG database. Accession Numbers Raw RNA-seq reads have been submitted to the NCBI Short Read Archive under accession number SRP022881. Customized Perl Scripts All customized scripts described in this paper are available from Dr. Guangtu Gao or the corresponding author.
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17
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Molecular cloning of four glutathione peroxidase (GPx) homologs and expression analysis during stress exposure of the marine teleost Sparus aurata. Comp Biochem Physiol B Biochem Mol Biol 2014; 168:53-61. [DOI: 10.1016/j.cbpb.2013.11.005] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2013] [Revised: 11/12/2013] [Accepted: 11/13/2013] [Indexed: 01/05/2023]
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