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Wu D, Zhou H, Hu Z, Ai F, Du W, Yin Y, Guo H. Multiple effects of ZnO nanoparticles on goldfish (Carassius auratus): Skin mucus, gut microbiota and stable isotope composition. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 329:121651. [PMID: 37062409 DOI: 10.1016/j.envpol.2023.121651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 04/12/2023] [Accepted: 04/14/2023] [Indexed: 05/21/2023]
Abstract
The skin and the gut are direct target tissues for nanoparticles, yet attention to effects of metal-based nanoparticles (MNPs) on these two and the discrepancy in these effects remain inadequate. Here, effects of ZnO nanoparticles (nZnO) on skin mucus and gut microbiota of goldfish (Carassius auratus) were investigated, as well as further elements turnover and metabolic variations. After 14 days of exposure, considerable variations in levels of biomarkers (protein, glucose, lysozyme and immunoglobulin M) in skin mucus demonstrated significant stress responses to nZnO. nZnO exposure significantly reduced the abundance of Cetobacterium in the gut while increased that of multiple pathogens, and further leading to down-regulation of pathways such as carbohydrate metabolism, translation, and replication and repair. Decreased δ15N values indicated declined N turnover in vivo, further demonstrating the negative effect of nZnO on metabolism in the organism. Integration analysis of each biomarker using the biomarker response index version 2 (IBRv2) revealed concentration-dependent effects of nZnO on skin mucus, while effects on physiology in vivo was not, demonstrating the discrepancy in the toxicity pathways and toxic effects of nZnO on different tissues. This work improved our understanding about the comprehensive toxicity of nZnO on aquatic organism.
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Affiliation(s)
- Danni Wu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Hailing Zhou
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Zixuan Hu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Fuxun Ai
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Wenchao Du
- School of Environment, Nanjing Normal University, Nanjing, 210023, China
| | - Ying Yin
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China; Joint International Research Centre for Critical Zone Science-University of Leeds and Nanjing University, Nanjing University, Nanjing, 210023, China.
| | - Hongyan Guo
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China; Joint International Research Centre for Critical Zone Science-University of Leeds and Nanjing University, Nanjing University, Nanjing, 210023, China
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Blasco J, Vélez EJ, Perelló-Amorós M, Azizi S, Capilla E, Fernández-Borràs J, Gutiérrez J. Recombinant Bovine Growth Hormone-Induced Metabolic Remodelling Enhances Growth of Gilthead Sea-Bream ( Sparus aurata): Insights from Stable Isotopes Composition and Proteomics. Int J Mol Sci 2021; 22:ijms222313107. [PMID: 34884912 PMCID: PMC8658469 DOI: 10.3390/ijms222313107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/01/2021] [Accepted: 12/01/2021] [Indexed: 11/16/2022] Open
Abstract
Growth hormone and insulin-like growth factors (GH/IGF axis) regulate somatic growth in mammals and fish, although their action on metabolism is not fully understood in the latter. An intraperitoneal injection of extended-release recombinant bovine growth hormone (rbGH, Posilac®) was used in gilthead sea bream fingerlings and juveniles to analyse the metabolic response of liver and red and white muscles by enzymatic, isotopic and proteomic analyses. GH-induced lipolysis and glycogenolysis were reflected in liver composition, and metabolic and redox enzymes reported higher lipid use and lower protein oxidation. In white and red muscle reserves, rBGH increased glycogen while reducing lipid. The isotopic analysis of muscles showed a decrease in the recycling of proteins and a greater recycling of lipids and glycogen in the rBGH groups, which favoured a protein sparing effect. The protein synthesis capacity (RNA/protein) of white muscle increased, while cytochrome-c-oxidase (COX) protein expression decreased in rBGH group. Proteomic analysis of white muscle revealed only downregulation of 8 proteins, related to carbohydrate metabolic processes. The global results corroborated that GH acted by saving dietary proteins for muscle growth mainly by promoting the use of lipids as energy in the muscles of the gilthead sea bream. There was a fuel switch from carbohydrates to lipids with compensatory changes in antioxidant pathways that overall resulted in enhanced somatic growth.
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Alomar C, Sanz-Martín M, Compa M, Rios-Fuster B, Álvarez E, Ripolles V, Valencia JM, Deudero S. Microplastic ingestion in reared aquaculture fish: Biological responses to low-density polyethylene controlled diets in Sparus aurata. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 280:116960. [PMID: 33780838 DOI: 10.1016/j.envpol.2021.116960] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 03/13/2021] [Accepted: 03/13/2021] [Indexed: 06/12/2023]
Abstract
During the last years, ingestion of microplastics (MPs) has been quantified in marine species both with an ecological and commercial interest at sea and under experimental conditions, highlighting the importance to assess MP ingestion in commercially and aquaculture important species such as gilthead seabream (Sparus aurata) fish. In order to study the ingestion of MPs in a commercially valuable species, gilthead seabreams were exposed to an enriched diet with virgin and weathered low-density polyethylene (LDPE) pellets for three months followed by a detoxification period of one month of no exposure to MP enriched diets. Our results indicate that MP ingestion in these fishes increased with exposure time, and differences were found between treatments, showing the highest ingestion values after three months of exposure to MP enriched diets and in the weathered treatment. However, after one month of detoxification, no MPs were found in the gastrointestinal tracts of fish, reflecting no long-term retention of MPs in Sparus aurata digestive system. According to results from this study, exposure of fish to MP enriched diets does not affect fish size neither the Fulton's condition index as both parameters increased with time in all treatments (control, virgin and weathered). Both carbon and nitrogen isotopic signatures decreased with fish size in all treatments which could be related to an increase of nitrogen deposition efficiency in fish muscle with a high protein assimilation during the first months of Sparus aurata.
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Affiliation(s)
- Carme Alomar
- Instituto Español de Oceanografía, Centro Oceanográfico de Baleares, Muelle de Poniente s/n, 07015, Palma de Mallorca, Spain.
| | - Marina Sanz-Martín
- Instituto Español de Oceanografía, Centro Oceanográfico de Baleares, Muelle de Poniente s/n, 07015, Palma de Mallorca, Spain
| | - Montserrat Compa
- Instituto Español de Oceanografía, Centro Oceanográfico de Baleares, Muelle de Poniente s/n, 07015, Palma de Mallorca, Spain
| | - Beatriz Rios-Fuster
- Instituto Español de Oceanografía, Centro Oceanográfico de Baleares, Muelle de Poniente s/n, 07015, Palma de Mallorca, Spain
| | - Elvira Álvarez
- Instituto Español de Oceanografía, Centro Oceanográfico de Baleares, Muelle de Poniente s/n, 07015, Palma de Mallorca, Spain
| | - Vincent Ripolles
- Instituto Español de Oceanografía, Centro Oceanográfico de Baleares, Muelle de Poniente s/n, 07015, Palma de Mallorca, Spain
| | - José María Valencia
- Laboratorio de Investigaciones Marinas y Acuicultura, LIMIA-Govern de Les Illes Balears, Port d'Andratx, Balearic Islands, Spain; INAGEA (INIA-CAIB-UIB), Carr. de Valldemossa, Km 7.5, 07122, Palma, Balearic Islands, Spain
| | - Salud Deudero
- Instituto Español de Oceanografía, Centro Oceanográfico de Baleares, Muelle de Poniente s/n, 07015, Palma de Mallorca, Spain
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Perelló-Amorós M, Fernández-Borràs J, Sánchez-Moya A, Vélez EJ, García-Pérez I, Gutiérrez J, Blasco J. Mitochondrial Adaptation to Diet and Swimming Activity in Gilthead Seabream: Improved Nutritional Efficiency. Front Physiol 2021; 12:678985. [PMID: 34220544 PMCID: PMC8249818 DOI: 10.3389/fphys.2021.678985] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 05/21/2021] [Indexed: 01/09/2023] Open
Abstract
Sustained exercise promotes growth in different fish species, and in gilthead seabream we have demonstrated that it improves nutrient use efficiency. This study assesses for differences in growth rate, tissue composition and energy metabolism in gilthead seabream juveniles fed two diets: high-protein (HP; 54% protein, 15% lipid) or high energy (HE; 50% protein, 20% lipid), under voluntary swimming (VS) or moderate-to-low-intensity sustained swimming (SS) for 6 weeks. HE fed fish under VS conditions showed lower body weight and higher muscle lipid content than HP fed fish, but no differences between the two groups were observed under SS conditions. Irrespective of the swimming regime, the white muscle stable isotopes profile of the HE group revealed increased nitrogen and carbon turnovers. Nitrogen fractionation increased in the HP fed fish under SS, indicating enhanced dietary protein oxidation. Hepatic gene expression markers of energy metabolism and mitochondrial biogenesis showed clear differences between the two diets under VS: a significant shift in the COX/CS ratio, modifications in UCPs, and downregulation of PGC1a in the HE-fed fish. Swimming induced mitochondrial remodeling through upregulation of fusion and fission markers, and removing almost all the differences observed under VS. In the HE-fed fish, white skeletal muscle benefited from the increased energy demand, amending the oxidative uncoupling produced under the VS condition by an excess of lipids and the pro-fission state observed in mitochondria. Contrarily, red muscle revealed more tolerant to the energy content of the HE diet, even under VS conditions, with higher expression of oxidative enzymes (COX and CS) without any sign of mitochondrial stress or mitochondrial biogenesis induction. Furthermore, this tissue had enough plasticity to shift its metabolism under higher energy demand (SS), again equalizing the differences observed between diets under VS condition. Globally, the balance between dietary nutrients affects mitochondrial regulation due to their use as energy fuels, but exercise corrects imbalances allowing practical diets with lower protein and higher lipid content without detrimental effects.
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Affiliation(s)
- Miquel Perelló-Amorós
- Department of Cell Biology, Physiology, and Immunology, Faculty of Biology, University of Barcelona, Barcelona, Spain
| | - Jaume Fernández-Borràs
- Department of Cell Biology, Physiology, and Immunology, Faculty of Biology, University of Barcelona, Barcelona, Spain
| | - Albert Sánchez-Moya
- Department of Cell Biology, Physiology, and Immunology, Faculty of Biology, University of Barcelona, Barcelona, Spain
| | - Emilio J Vélez
- Université de Pau et des Pays de l'Adour, E2S UPPA, INRAE, UMR 1419 Nutrition Métabolisme et Aquaculture, Saint-Pée-sur-Nivelle, France
| | - Isabel García-Pérez
- Department of Cell Biology, Physiology, and Immunology, Faculty of Biology, University of Barcelona, Barcelona, Spain
| | - Joaquin Gutiérrez
- Department of Cell Biology, Physiology, and Immunology, Faculty of Biology, University of Barcelona, Barcelona, Spain
| | - Josefina Blasco
- Department of Cell Biology, Physiology, and Immunology, Faculty of Biology, University of Barcelona, Barcelona, Spain
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Amri A, Kessabi K, Bouraoui Z, Sakli S, Gharred T, Guerbej H, Messaoudi I, Jebali J. Effect of melatonin and folic acid supplementation on the growth performance, antioxidant status, and liver histology of the farmed gilthead sea bream (Sparus aurata L.) under standard rearing conditions. FISH PHYSIOLOGY AND BIOCHEMISTRY 2020; 46:2265-2280. [PMID: 32978696 DOI: 10.1007/s10695-020-00879-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 09/15/2020] [Indexed: 06/11/2023]
Abstract
The present study aimed to investigate the effect of dietary of melatonin (MLT) and folic acid (FA) administrations on growth performance, antioxidant status, and liver histological structure of juvenile gilthead sea bream, Sparus aurata L. under standard rearing conditions. Four diets were considered: a basal diet considered a control and three diets supplemented with 40 mg/kg of melatonin (MLT), 2 mg/kg of folic acid (FA), and with the mixture of melatonin and folic acid (MLT + FA). Each diet was randomly allocated to triplicate groups of fish (mean initial weight was 2.99 ± 0.55 g) for 41 days. The obtained results clearly indicated that the melatonin-supplemented diet decreased significantly the growth performance parameters (final body weight, weight gain rate, and specific growth rate) and IGF-1 level of the gilthead sea bream, while the folic acid-supplemented diet has no significant effect on these parameters. The mixture supplementation of melatonin and folic acid has no significant effect on the growth parameters due to the possible interaction between melatonin and folic acid effects. Furthermore, fish fed with all experimental diets showed significantly higher superoxide dismutase activity (SOD) and protein sulfhydryl level (PSH) and lower lipid peroxidation level (TBARS) and catalase activity (CAT) which confirm their powerful antioxidant role. The acetylcholinesterase activity (ACHE) decreased in fish fed with all experimental diets. The underlying mechanisms of driving melatonin and folic acid to reduce acetylcholinesterase activity require further studies. The histological structure of liver of control S. aurata fish shows severe hepatic lipid accumulation in large vacuoles that diminished after dietary individual or mixture folic acid and melatonin supplementations over 41 days. This work proved that 2 mg/kg of dietary folic acid has a positive effect on the growth performance, oxidative stress defense, and hepatic lipid accumulation reduction in the gilthead sea bream fish. Under our experimental conditions, melatonin failed to improve the growth indexes WGR, SGR, and IGF-I. This study recommends the diet supplementation with a dose lower than 2 mg/kg of food due to the observed effects on tissue ACHE activity.
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Affiliation(s)
- Afef Amri
- Laboratory of Genetics Biodiversity and Valorization of Bio-resources (LR11ES41), Higher Institute of Biotechnology of Monastir, University of Monastir, Tahar Haded Street, B.P. n 74, 5000, 5000, Monastir, Tunisia
| | - Kaouthar Kessabi
- Laboratory of Genetics Biodiversity and Valorization of Bio-resources (LR11ES41), Higher Institute of Biotechnology of Monastir, University of Monastir, Tahar Haded Street, B.P. n 74, 5000, 5000, Monastir, Tunisia
| | - Zied Bouraoui
- National Institute of Sciences and Technologies of the Sea, Laboratory of Blue Biotechnology and Aquatic Bioproducts, 1002, Monastir, Tunis, Tunisia
| | - Sabrine Sakli
- Laboratory of Genetics Biodiversity and Valorization of Bio-resources (LR11ES41), Higher Institute of Biotechnology of Monastir, University of Monastir, Tahar Haded Street, B.P. n 74, 5000, 5000, Monastir, Tunisia
| | - Tahar Gharred
- Research Laboratory of Bioresources: Integrative Biology & Valorization (LR 14ES06), Higher Institute of Biotechnology of Monastir, Monastir, Tunisia
| | - Hamadi Guerbej
- National Institute of Sciences and Technologies of the Sea, Laboratory of Blue Biotechnology and Aquatic Bioproducts, 1002, Monastir, Tunis, Tunisia
| | - Imed Messaoudi
- Laboratory of Genetics Biodiversity and Valorization of Bio-resources (LR11ES41), Higher Institute of Biotechnology of Monastir, University of Monastir, Tahar Haded Street, B.P. n 74, 5000, 5000, Monastir, Tunisia
| | - Jamel Jebali
- Laboratory of Genetics Biodiversity and Valorization of Bio-resources (LR11ES41), Higher Institute of Biotechnology of Monastir, University of Monastir, Tahar Haded Street, B.P. n 74, 5000, 5000, Monastir, Tunisia.
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Ordóñez-Grande B, Fernández-Alacid L, Sanahuja I, Sánchez-Nuño S, Fernández-Borràs J, Blasco J, Ibarz A. Evaluating mucus exudation dynamics through isotopic enrichment and turnover of skin mucus fractions in a marine fish model. CONSERVATION PHYSIOLOGY 2020; 8:coaa095. [PMID: 33442471 PMCID: PMC7787050 DOI: 10.1093/conphys/coaa095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 08/12/2020] [Accepted: 11/12/2020] [Indexed: 06/12/2023]
Abstract
Fish skin mucus is composed of insoluble components, which form the physical barrier, and soluble components, which are key for interrelationship functions. Mucus is continuously secreted, but rates of production and exudation are still unknown, as are the underlying mechanisms. Using stable isotope analysis, here, we evaluate skin mucus turnover and renewal in gilthead sea bream, separating raw mucus and its soluble and insoluble fractions. Isotopic abundance analysis reveals no differences between mucus and white muscle, thus confirming mucus samples as reliable non-invasive biomarkers. Mucus production was evaluated using a single labelled meal packaged in a gelatine capsule, with both 13C and 15N, via a time-course trial. 13C was gradually allocated to skin mucus fractions over the first 12 h and was significantly (4-fold) higher in the soluble fraction, indicating a higher turnover of soluble mucus components that are continuously produced and supplied. 15N was also gradually allocated to mucus, indicating incorporation of new proteins containing the labelled dietary amino acids, but with no differences between fractions. When existent mucus was removed, dietary stable isotopes revealed stimulated mucus neoformation dependent on the components. All this is novel knowledge concerning skin mucus dynamics and turnover in fish and could offer interesting non-invasive approaches to the use of skin mucus production in ecological or applied biological studies such as climate change effects, human impact, alterations in trophic networks or habitat degradation, especially of wild-captured species or protected species.
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Affiliation(s)
| | - Laura Fernández-Alacid
- Corresponding author: Department of Cell Biology, Physiology and Immunology, University of Barcelona, Barcelona, Spain.
| | - Ignasi Sanahuja
- Department of Cell Biology, Physiology and Immunology, University of Barcelona, Barcelona, Spain
| | - Sergio Sánchez-Nuño
- Department of Cell Biology, Physiology and Immunology, University of Barcelona, Barcelona, Spain
| | - Jaume Fernández-Borràs
- Department of Cell Biology, Physiology and Immunology, University of Barcelona, Barcelona, Spain
| | - Josefina Blasco
- Department of Cell Biology, Physiology and Immunology, University of Barcelona, Barcelona, Spain
| | - Antoni Ibarz
- Department of Cell Biology, Physiology and Immunology, University of Barcelona, Barcelona, Spain
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Zhao Y, Li JY, Jiang Q, Zhou XQ, Feng L, Liu Y, Jiang WD, Wu P, Zhou J, Zhao J, Jiang J. Leucine Improved Growth Performance, Muscle Growth, and Muscle Protein Deposition Through AKT/TOR and AKT/FOXO3a Signaling Pathways in Hybrid Catfish Pelteobagrus v achelli × Leiocassis longirostris. Cells 2020; 9:cells9020327. [PMID: 32019276 PMCID: PMC7072317 DOI: 10.3390/cells9020327] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 01/21/2020] [Accepted: 01/29/2020] [Indexed: 02/06/2023] Open
Abstract
(1) Background: l-leucine (Leu) plays a positive role in regulating protein turnover in skeletal muscle in mammal. However, the molecular mechanism for the effects of Leu on muscle growth and protein deposition is not clearly demonstrated in fish. This study investigated the effects of dietary Leu on growth performance and muscle growth, protein synthesis, and degradation-related signaling pathways of hybrid catfish (Pelteobagrus vachelli♀ × Leiocassis longirostris♂). (2) Methods: A total of 630 hybrid catfish (23.19 ± 0.20 g) were fed 6 different experimental diets containing graded levels of Leu at 10.0 (control), 15.0, 20.0, 25.0, 30.0, 35.0, and 40.0 g Leu kg-1 for 8 weeks. (3) Results: Results showed that dietary Leu increased percent weight gain (PWG), specific growth rate (SGR), FI (feed intake), feed efficiency (FE), protein efficiency ratio (PER), muscle fibers diameter, and muscle fibers density; up-regulated insulin-like growth factor I (IGF-I), insulin-like growth factor I receptor (IGF-IR), proliferating cell nuclear antigen (PCNA), myogenic regulation factors (MyoD, Myf5, MyoG, and Mrf4), and MyHC mRNA levels; increased muscle protein synthesis via regulating the AKT/TOR signaling pathway; and attenuated protein degradation via regulating the AKT/FOXO3a signaling pathway. (4) Conclusions: These results suggest that Leu has potential role to improve muscle growth and protein deposition in fish, which might be due to the regulation of IGF mRNA expression, muscle growth related gene, and protein synthesis and degradation-related signaling pathways. Based on the broken-line model, the Leu requirement of hybrid catfish (23.19-54.55 g) for PWG was estimated to be 28.10 g kg-1 of the diet (73.04 g kg-1 of dietary protein). These results will improve our understanding of the mechanisms responsible for muscle growth and protein deposition effects of Leu in fish.
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Affiliation(s)
- Ye Zhao
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Jin-Yang Li
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Qin Jiang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Jian Zhou
- Fisheries Institute of Sichuan Academy of Agricultural Science, Chengdu 611731, China
| | - Juan Zhao
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Jun Jiang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
- Correspondence: ; Tel.: +86-28-8629-1133
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Nuche‐Pascual MT, Lazo JP, Ruiz‐Cooley RI, Herzka SZ. Amino acid-specific δ 15N trophic enrichment factors in fish fed with formulated diets varying in protein quantity and quality. Ecol Evol 2018; 8:9192-9217. [PMID: 30377494 PMCID: PMC6194260 DOI: 10.1002/ece3.4295] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 05/07/2018] [Accepted: 05/20/2018] [Indexed: 11/10/2022] Open
Abstract
Compound-specific isotope analysis (CSIA) of amino acids (AAs) in consumer tissues is a developing technique with wide-ranging applications for identifying nitrogen (N) sources and estimating animal trophic level. Controlled experiments are essential for determining which dietary conditions influence variability in N stable isotopes (δ15N) trophic enrichment factors in bulk tissue (TEFbulk) and AAs (TEFAA). To date, however, studies have not independently evaluated the effect of protein quantity and quality (digestibility) on TEFs, complicating the application of AA-δ15N values for estimating trophic levels. We conducted a 98-d feeding experiment using five formulated isoenergetic feeds prepared with a high-quality protein source to evaluate the effect of protein quantity and quality on TEFs of liver and muscle tissues of juvenile Pacific yellowtail (Seriola lalandi), a carnivorous fish species. We decreased protein digestibility using well-established protocols that do not change AA profiles. Growth rates were higher in diets with higher protein content, and isotopic equilibrium was reached for both fish tissues and all treatments. Protein quantity and quality influenced isotope discrimination depending on tissue type and AA. In liver tissue, bulk TEFs showed a limited but significant relationship with protein quality, but did not differ with protein quantity or quality in muscle. None of the pre-established source AAs (Lys, Met, Phe, and Gly) TEFs varied significantly with protein quantity or quality in liver tissue. However, in muscle tissue, TEFPhe increased significantly with protein content and decreased in response to reduced digestibility, indicating it may not serve as proxy for baseline isotopic values used to calculate trophic level. Among trophic AAs, TEFLeu decreased significantly with increasing protein quantity in liver tissue, while both Leu and Ile TEFs decreased with lower protein digestibility in muscle tissue. Our results indicate that CSIA-AA in liver tissue provides more robust source and trophic AA-δ15N values than in muscle.
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Affiliation(s)
- M. Teresa Nuche‐Pascual
- Departamento de Oceanografía BiológicaCentro de Investigación Científica y de Educación Superior de Ensenada (CICESE)EnsenadaMéxico
| | | | | | - Sharon Z. Herzka
- Departamento de Oceanografía BiológicaCentro de Investigación Científica y de Educación Superior de Ensenada (CICESE)EnsenadaMéxico
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Effects of dietary biofloc on growth, digestibility, protein turnover and energy budget of sea cucumber Apostichopus japonicus (Selenka). Anim Feed Sci Technol 2018. [DOI: 10.1016/j.anifeedsci.2018.05.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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10
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Felip O, Blasco J, Ibarz A, Martín-Pérez M, Fernández-Borràs J. Diets labelled with 13C-starch and 15N-protein reveal daily rhythms of nutrient use in gilthead sea bream (Sparus aurata). Comp Biochem Physiol A Mol Integr Physiol 2015; 179:95-103. [DOI: 10.1016/j.cbpa.2014.09.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Revised: 09/12/2014] [Accepted: 09/17/2014] [Indexed: 11/16/2022]
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11
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Badillo D, Herzka SZ, Viana MT. Protein retention assessment of four levels of poultry by-product substitution of fishmeal in rainbow trout (Oncorhynchus mykiss) diets using stable isotopes of nitrogen (δ15N) as natural tracers. PLoS One 2014; 9:e107523. [PMID: 25226392 PMCID: PMC4166461 DOI: 10.1371/journal.pone.0107523] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Accepted: 08/18/2014] [Indexed: 11/19/2022] Open
Abstract
This is second part from an experiment where the nitrogen retention of poultry by-product meal (PBM) compared to fishmeal (FM) was evaluated using traditional indices. Here a quantitative method using stable isotope ratios of nitrogen (δ(15)N values) as natural tracers of nitrogen incorporation into fish biomass is assessed. Juvenile rainbow trout (Oncorhynchus mykiss) were fed for 80 days on isotopically distinct diets in which 0, 33, 66 and 100% of FM as main protein source was replaced by PBM. The diets were isonitrogenous, isolipidic and similar in gross energy content. Fish in all treatments reached isotopic equilibrium by the end of the experiment. Two-source isotope mixing models that incorporated the isotopic composition of FM and PBM as well as that of formulated feeds, empirically derived trophic discrimination factors and the isotopic composition of fish that had reached isotopic equilibrium to the diets were used to obtain a quantitative estimate of the retention of each source of nitrogen. Fish fed the diets with 33 and 66% replacement of FM by PBM retained poultry by-product meal roughly in proportion to its level of inclusion in the diets, whereas no differences were detected in the protein efficiency ratio. Coupled with the similar biomass gain of fishes fed the different diets, our results support the inclusion of PBM as replacement for fishmeal in aquaculture feeds. A re-feeding experiment in which all fish were fed a diet of 100% FM for 28 days indicated isotopic turnover occurred very fast, providing further support for the potential of isotopic ratios as tracers of the retention of specific protein sources into fish tissues. Stable isotope analysis is a useful tool for studies that seek to obtain quantitative estimates of the retention of different protein sources.
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Affiliation(s)
- Daniel Badillo
- Programa de Maestría y Doctorado en Ecología Molecular y Biotecnología, Facultad de Ciencias Marinas, Universidad Autónoma de Baja California (UABC), Ensenada, B.C., México
| | - Sharon Z. Herzka
- Departamento de Oceanografía Biológica, Centro de Investigación Científica y de Educación Superior de Ensenada, Carretera Ensenada, Tijuana No., Ensenada, B.C., México
| | - Maria Teresa Viana
- Instituto de Investigaciones Oceanológicas, UABC, Ensenada, B.C., México
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Vélez EJ, Lutfi E, Jiménez-Amilburu V, Riera-Codina M, Capilla E, Navarro I, Gutiérrez J. IGF-I and amino acids effects through TOR signaling on proliferation and differentiation of gilthead sea bream cultured myocytes. Gen Comp Endocrinol 2014; 205:296-304. [PMID: 24882593 DOI: 10.1016/j.ygcen.2014.05.024] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 04/30/2014] [Accepted: 05/22/2014] [Indexed: 02/06/2023]
Abstract
Skeletal muscle growth and development is controlled by nutritional (amino acids, AA) as well as hormonal factors (insulin-like growth factor, IGF-I); however, how its interaction modulates muscle mass in fish is not clearly elucidated. The purpose of this study was to analyze the development of gilthead sea bream cultured myocytes to describe the effects of AA and IGF-I on proliferating cell nuclear antigen (PCNA) and myogenic regulatory factors (MRFs) expression, as well as on the transduction pathways involved in its signaling (TOR/AKT). Our results showed that AA and IGF-I separately increased the number of PCNA-positive cells and, together produced a synergistic effect. Furthermore, AA and IGF-I, combined or separately, increased significantly Myogenin protein expression, whereas MyoD was not affected. These results indicate a role for these factors in myocyte proliferation and differentiation. At the mRNA level, AA significantly enhanced PCNA expression, but no effects were observed on the expression of the MRFs or AKT2 and FOXO3 upon treatment. Nonetheless, we demonstrated for the first time in gilthead sea bream that AA significantly increased the gene expression of TOR and its downstream effectors 4EBP1 and 70S6K, with IGF-I having a supporting role on 4EBP1 up-regulation. Moreover, AA and IGF-I also activated TOR and AKT by phosphorylation, respectively, being this activation decreased by specific inhibitors. In summary, the present study demonstrates the importance of TOR signaling on the stimulatory role of AA and IGF-I in gilthead sea bream myogenesis and contributes to better understand the potential regulation of muscle growth and development in fish.
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Affiliation(s)
- Emilio J Vélez
- Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Esmail Lutfi
- Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Vanesa Jiménez-Amilburu
- Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Miquel Riera-Codina
- Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Encarnación Capilla
- Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Isabel Navarro
- Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Joaquim Gutiérrez
- Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Spain.
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Carrozzo L, Potenza L, Carlino P, Costantini ML, Rossi L, Mancinelli G. Seasonal abundance and trophic position of the Atlantic blue crab Callinectes sapidus Rathbun 1896 in a Mediterranean coastal habitat. RENDICONTI LINCEI-SCIENZE FISICHE E NATURALI 2014. [DOI: 10.1007/s12210-014-0297-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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