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Bogevik AS, Krasnov A, Burgerhout E, Berge K, Martinsen I, Hoel E, Erik Dalva L, Kilane S, Eriksen Vold J, Aarhus B, Østbye TKK, Rosenlund G, Morken T. Effect of prolonged feeding of broodstock diet with increased inclusion of essential n-3 fatty acids on maturing and spawning performance in 3-year-old Atlantic salmon (Salmo salar). Gen Comp Endocrinol 2024; 348:114434. [PMID: 38142842 DOI: 10.1016/j.ygcen.2023.114434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/24/2023] [Accepted: 12/15/2023] [Indexed: 12/26/2023]
Abstract
Atlantic salmon (Salmo salar) broodstock recruits are normally fed a specialized diet with a higher content of essential nutrients for a limited time period prior to fasting and transfer to freshwater. Typically, this period lasts for about six months, but may vary among producers. Reduced use of marine ingredients in commercial salmon diets during the last decades has affected the content of essential nutrients, such as n-3 long chained polyunsaturated fatty acids (LC-PUFA), minerals and vitamins. Furthermore, to minimize the risk of losses and implement new breeding achievements faster, breeding companies have shortened the production cycle of broodstock from 4 to 3 years, which may affect the number of fish that are large enough to mature. In the present study, we have extended the broodstock feeding period from 6 to 15 months prior to the freshwater transfer giving a higher content of n-3 LC-PUFA (higher inclusion of marine oils) from February to December (Phase 1), and thereafter a diet with a higher energy content to ensure growth towards the spring and maturation (Phase 2). Four sea cages with approximately 80.000 salmon postsmolt, two sea cages with males and two with females, were given a control diet and an experimental diet. Samples were taken in Phase 1 at start (1.7 kg), mid (3.4 kg) and end Phase 1/start of Phase 2 (8.3 kg), and end of Phase 2 (13.4 kg). The fish were thereafter fasted, and selected fish transferred to landbased freshwater tanks where light and temperature were used to manipulate the spawning time of the fish in two groups (early or late). Due to disease in the facility, measures of egg quality and hatching were only obtained from the early group. During the trial and spawning period, biometrical measurements were recorded, and samples of liver, gonad, fillet and red blood cells (RBC) were collected for fatty acid composition and blood plasma for analysis of lipid and health-related parameters. Samples were also collected for gonadal transcriptomic analysis by microarray and qPCR (end Phase 2) and plasma steroids (end Phase 2, mid maturation and spawning). Males fed the test diet had a larger body size compared to the control group at the end of Phase 2, while no differences were observed between dietary groups for the females. Total mortality in the trial was lower in the test group compared to the control, losses were caused mainly by sea lice treatments, loser fish or cardiomyopathy syndrome (CMS). The dietary LC-PUFA levels in the test diet were reflected in the tissues particularly during Phase 1, but only different in the fillet samples and eggs at the end of Phase 2 and at spawning. Plasma sex steroids content increased at mid maturation and showed lower levels of androgens and estrogens in females fed the test diet compared to the control. At the end of Phase 2, transcriptional analysis showed upregulation of steroidogenic enzymes, although not reflected in changes in plasma steroids in Phase 2, indicating changes to come during maturation. The differences in LC-PUFA content in tissues and plasma steroids did not appear to affect fecundity, sperm quality, egg survival or hatching rate, but the test group had larger eggs compared to the control in the early spawner-group. Prolonged feeding of n-3 LC-PUFA to pre-puberty Atlantic salmon broodstock appears to be important for higher survival in challenging sea cage environments and has an effect on sex steroid production that, together with high energy diet during early maturation, cause the test group to produce larger eggs.
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Affiliation(s)
| | | | | | | | | | - Eirik Hoel
- Skretting, P.O. Box 319, 4002 Stavanger, Norway
| | | | | | | | | | | | - Grethe Rosenlund
- Skretting Aquaculture Innovation, P.O. Box 48, 4001 Stavanger, Norway
| | - Thea Morken
- Skretting Aquaculture Innovation, P.O. Box 48, 4001 Stavanger, Norway
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Zou Y, Zhang Y, Wu D, Lu Z, Xiao J, Huang H, Fu Q, Guo Z. Multi-omics analysis revealed the differences in lipid metabolism of the gut between adult and juvenile yellowfin tuna ( Thunnus albacares). Front Microbiol 2024; 14:1326247. [PMID: 38274759 PMCID: PMC10808786 DOI: 10.3389/fmicb.2023.1326247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 12/26/2023] [Indexed: 01/27/2024] Open
Abstract
Introduction Tuna has a cost-effective energy supply to support the regional endothermic and high-speed swimming performance. The gut symbiotic microbiotas and their metabolites play essential roles in tuna's diet digestion, absorption, and energy acquirement, which are often highly related to the ontogenetic development of tuna. Methods We compared gut microbial compositions and metabolites, as well as mRNA expression of the intestine between juvenile and adult yellowfin tuna using 16S rRNA sequencing, metabolomic and transcriptomic, respectively. Results and discussion The results revealed that adults had a significantly higher microbial diversity and abundance of Acinetobacter than juveniles. Regarding the gut microbiota-derived metabolites, fatty acids, especially glycerophospholipid and sphingolipid, were significantly enriched in adults than in juveniles. Moreover, the short-chain fatty acid (butyrate and isobutyrate) contents were significantly higher in adults than in juveniles. To find the relationship between gut microbiotas and host physiology, intestinal transcriptome analysis demonstrated that the enriched pathways of differential expression genes (DEGs) in adult tuna were the lipid metabolism pathway, including "fat digestion and absorption," "cholesterol metabolism," "steroid hormone biosynthesis," "glycerolipid metabolism," and "glycerophospholipid metabolism." However, protein digestion and absorption and pancreatic secretion pathways were significantly enriched in the juveniles. The conjoint analysis indicated that the enriched pathways of both differential metabolites (DMs) and DEGs were remarkably related to the regulation of glycerophospholipids metabolism in adult tunas. This study highlights the role of gut microbiotas in fish nutrition metabolism. These findings provide new insights into the view of ontogenetic shifts of gut microbiotas and their metabolites on host health and gut function in endothermic and high-speed swimming marine fish species.
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Affiliation(s)
- Ying Zou
- School of Life and Health Sciences, School of Marine Science and Engineering, School of Food Science and Engineering, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou, China
| | - Yanjie Zhang
- School of Life and Health Sciences, School of Marine Science and Engineering, School of Food Science and Engineering, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou, China
| | - Di Wu
- School of Life and Health Sciences, School of Marine Science and Engineering, School of Food Science and Engineering, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou, China
| | - Zhiyuan Lu
- School of Life and Health Sciences, School of Marine Science and Engineering, School of Food Science and Engineering, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou, China
| | - Juan Xiao
- School of Life and Health Sciences, School of Marine Science and Engineering, School of Food Science and Engineering, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou, China
| | - Hai Huang
- Key Laboratory of Utilization and Conservation for Tropical Marine Bioresources, Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, College of Fisheries and Life Science, Hainan Tropical Ocean University, Sanya, China
| | - Qiongyao Fu
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, NHC Key Laboratory of Control of Tropical Diseases, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan, China
| | - Zhiqiang Guo
- School of Life and Health Sciences, School of Marine Science and Engineering, School of Food Science and Engineering, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou, China
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Cardona E, Segret E, Cachelou Y, Vanderesse T, Larroquet L, Hermann A, Surget A, Corraze G, Cachelou F, Bobe J, Skiba-Cassy S. Effect of micro-algae Schizochytrium sp. supplementation in plant diet on reproduction of female rainbow trout (Oncorhynchus mykiss): maternal programming impact of progeny. J Anim Sci Biotechnol 2022; 13:33. [PMID: 35264245 PMCID: PMC8908652 DOI: 10.1186/s40104-022-00680-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 01/13/2022] [Indexed: 12/02/2022] Open
Abstract
Background The broodstock diet, and in particular the lipid and fatty acid composition of the diet, is known to play a key role in reproductive efficiency and survival of the progeny in fish. A major problem when replacing both fish meal and fish oil by plant sources is the lack of n-3 long chain polyunsaturated fatty acids, such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). To address this problem, we studied the effect of the plant-based diet supplemented with Schizochytrium sp. microalgae, source of DHA, compared to a conventional commercial diet rich in fish meal and fish oil on reproductive performance and egg quality and the consequences on progeny, in female rainbow trout broodstock. Results The results demonstrated that DHA-rich microalgae supplementation in a plant-based diet allowed for the maintenance of reproductive performance and egg quality comparable to a conventional commercial feed rich in fish meal and fish oil and led to an increased significant fry survival after resorption. Moreover, when females were fed a plant-based diet supplemented with micro-algae, the 4-month-old progenies showed a significant higher growth when they were challenged with a similar diet as broodstock during 1 month. We provide evidence for metabolic programming in which the maternal dietary induced significant protracted effects on lipid metabolism of progeny. Conclusions The present study demonstrates that supplementation of a plant-based diet with DHA-rich microalgae can be an effective alternative to fish meal and fish oil in rainbow trout broodstock aquafeed. Supplementary Information The online version contains supplementary material available at 10.1186/s40104-022-00680-9.
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Affiliation(s)
- Emilie Cardona
- INRAE, Univ. Pau & Pays Adour, E2S UPPA, NuMéA, F-64310, Saint Pée-sur-Nivelle, France. .,INRAE, UR1037 Fish Physiology and Genomic laboratory, F-35000, Rennes, France.
| | - Emilien Segret
- INRAE, UR1037 Fish Physiology and Genomic laboratory, F-35000, Rennes, France.,Viviers de Sarrance, F-64490, Sarrance, France
| | | | | | - Laurence Larroquet
- INRAE, Univ. Pau & Pays Adour, E2S UPPA, NuMéA, F-64310, Saint Pée-sur-Nivelle, France
| | - Alexandre Hermann
- INRAE, Univ. Pau & Pays Adour, E2S UPPA, NuMéA, F-64310, Saint Pée-sur-Nivelle, France
| | - Anne Surget
- INRAE, Univ. Pau & Pays Adour, E2S UPPA, NuMéA, F-64310, Saint Pée-sur-Nivelle, France
| | - Geneviève Corraze
- INRAE, Univ. Pau & Pays Adour, E2S UPPA, NuMéA, F-64310, Saint Pée-sur-Nivelle, France
| | | | - Julien Bobe
- INRAE, UR1037 Fish Physiology and Genomic laboratory, F-35000, Rennes, France
| | - Sandrine Skiba-Cassy
- INRAE, Univ. Pau & Pays Adour, E2S UPPA, NuMéA, F-64310, Saint Pée-sur-Nivelle, France
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Zhou J, Wang W, Li Z, Zhang C, Wan Z, Sun S, Zeng B, Li M, Sun G. Metabolome and Transcriptome Analysis of Liver and Oocytes of Schizothorax o'connori Raised in Captivity. Front Genet 2021; 12:677066. [PMID: 34691140 PMCID: PMC8531413 DOI: 10.3389/fgene.2021.677066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 09/20/2021] [Indexed: 11/13/2022] Open
Abstract
Schizothorax o’connori (S. o’connori) is a representative tetraploid species in the subfamily Schizothoracinae and an important endemic fish in the Qinghai-Tibet Plateau. However, the domestication of S. o’connori remains challenging due to the lack of basic research. Here, we investigated the effects of artificial feeding on the oocytes and liver of S. o’connori by comparing the histological, metabolomic, and transcriptomic data. Histological results showed that the oocytes and liver of captive-reared S. o’connori had abnormal cell morphology. After comparison with the self-built database, a total of 233 metabolites were annotated. In oocytes, a total of 37 differentially accumulated metabolites (DAMs) were detected and two pathways were significantly enriched. There were obvious differences in the metabolites related to ovarian development, including pregnenolone and arachidonic acid. In liver, a total of 70 DAMs were detected and five pathways were significantly enriched. Based on the transcriptomic data, a total of 159 differentially expressed genes (DEGs) were significantly related with cell growth and death pathway in oocytes, while a total of 2841 DEGs were significantly related with 102 pathways in liver. Comparing the metabolomic and transcriptomic data showed that there were three common significant enrichment pathways in liver, including biosynthesis of unsaturated fatty acids, starch and sucrose metabolism, and fatty acid biosynthesis. These results showed that special attention should be given to the composition and intake of fatty acids during the artificial breeding of S. o’connori. In addition, many of metabolite-gene pairs were related to adenosine 5′-diphosphate, adenosine monophosphate, and pregnenolone. In summary, these data provide an overview of global metabolic and transcriptomic resources and broaden our understanding of captive-reared S. o’connori.
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Affiliation(s)
- Jianshe Zhou
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, China.,Institute of Fisheries Science, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
| | - Wanliang Wang
- Institute of Fisheries Science, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
| | - Zhichao Li
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, China
| | - Chi Zhang
- Institute of Fisheries Science, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
| | - Zhiyi Wan
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, China
| | - Shuaijie Sun
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, China
| | - Benhe Zeng
- Institute of Fisheries Science, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
| | - Ming Li
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, China
| | - Guirong Sun
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, China
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Tenugu S, Pranoty A, Mamta SK, Senthilkumaran B. Development and organisation of gonadal steroidogenesis in bony fishes - A review. AQUACULTURE AND FISHERIES 2021. [DOI: 10.1016/j.aaf.2020.09.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Figueroa-Muñoz G, Ríos-Escalante PDL, Dantagnan P, Toledo C, Oyarzún R, Vargas-Chacoff L, Esse C, Vega-Aguayo R. Proximal composition and fatty acid profile of Hemigrapsus crenulatus (H. Milne Edwards, 1837) as one of the main foods of "patagonian blenny"Eleginops maclovinus (Cuvier, 1830). BRAZ J BIOL 2021; 81:797-805. [PMID: 33605301 DOI: 10.1590/1519-6984.231834] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 04/07/2020] [Indexed: 11/22/2022] Open
Abstract
The Patagonian blenny (Eleginops maclovinus) is species endemic to South America with physiological characteristics that would facilitate its incorporation into Chilean aquaculture. However, there is currently no specific artificial food that can be used to raise E. maclovinus. In light of this problem, this study describes the proximal composition and fatty acid profile of the crab Hemigrapsus crenulatus, one of the main foods of E. maclovinus. The purpose of the study is to serve as basic information for the development of a specific artificial diet for juveniles of this fish species. The proximal analysis of the complete body of H. crenulatus indicates that it is mainly composed of ash (35.9%), proteins (32.2%), glucides (19.8%) and minor lipids (3.6%). The fatty acid profile is 40.7% PUFAs, 29.7% MUFAs and 29.5% SAFAs, and the most abundant acids are Eicosapentaenoic (18.8%), Oleic (6.8%) and Palmitic (16.6%), respectively. H. crenulatus has highest level of proteins, lipids and PUFAs among the species of the Brachyura infraorder.
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Affiliation(s)
- G Figueroa-Muñoz
- Universidad Católica de Temuco, Facultad de Recursos Naturales, Departamento de Ciencias Agropecuarias y Acuícolas, Temuco, Chile
| | - P De Los Ríos-Escalante
- Universidad Católica de Temuco, Facultad de Recursos Naturales, Departamento de Ciencias Biológicas y Químicas, Núcleo de Estudios Ambientales, Temuco, Chile
| | - P Dantagnan
- Universidad Católica de Temuco, Facultad de Recursos Naturales, Departamento de Ciencias Agropecuarias y Acuícolas, Núcleo de Investigación en Producción Alimentaria, Temuco, Chile
| | - C Toledo
- Universidad Católica de Temuco, Facultad de Recursos Naturales, Programa de Doctorado en Ciencias Agropecuarias, Temuco, Chile
| | - R Oyarzún
- Universidad Austral de Chile, Centro de Investigación Dinámica de Ecosistemas Marinos de Altas Latitudes-IDEAL, Instituto de Ciencias Marinas y Limnológicas, Valdivia, Chile
| | - L Vargas-Chacoff
- Universidad Austral de Chile, Centro de Investigación Dinámica de Ecosistemas Marinos de Altas Latitudes-IDEAL, Instituto de Ciencias Marinas y Limnológicas, Valdivia, Chile
| | - C Esse
- Universidad Autónoma de Chile, Facultad de Arquitectura y Construcción, Instituto de Estudios del Hábitat - IEH, Unidad de Cambio Climático y Medio Ambiente - UCCMA, Temuco, Chile
| | - R Vega-Aguayo
- Universidad Católica de Temuco, Facultad de Recursos Naturales, Departamento de Ciencias Agropecuarias y Acuícolas, Núcleo de Investigación en Producción Alimentaria, Temuco, Chile
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Khan EA, Zhang X, Hanna EM, Bartosova Z, Yadetie F, Jonassen I, Goksøyr A, Arukwe A. Quantitative transcriptomics, and lipidomics in evaluating ovarian developmental effects in Atlantic cod (Gadus morhua) caged at a capped marine waste disposal site. ENVIRONMENTAL RESEARCH 2020; 189:109906. [PMID: 32980003 DOI: 10.1016/j.envres.2020.109906] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 05/29/2020] [Accepted: 07/01/2020] [Indexed: 06/11/2023]
Abstract
In the present study, a previously capped waste disposal site at Kollevåg (Norway) was selected to study the effects of contaminant leakage on biomarkers associated with Atlantic cod (Gadus morhua) reproductive endocrinology and development. Immature cod were caged for 6 weeks at 3 locations, selected to achieve a spatial gradient of contamination, and compared to a reference station. Quantitative transcriptomic, and lipidomic analysis was used to evaluate the effects of the potential complex contaminant mixture on ovarian developmental and endocrine physiology. The number of expressed transcripts, with 0.75 log2-fold differential expression or more, varied among stations and paralleled the severity of contamination. Particularly, significant bioaccumulation of ∑PCB-7, ∑DDTs and ∑PBDEs were observed at station 1, compared to the other station, including the reference station. Respectively 1416, 698 and 719 differentially expressed genes (DEGs), were observed at stations 1, 2 and 3, compared to the reference station, with transcripts belonging to steroid hormone synthesis pathway being significantly upregulation. Transcription factors such as esr2 and ahr2 were increased at all three stations, with highest fold-change at Station 1. MetaCore pathway maps identified affected pathways that are involved in ovarian physiology, where some unique pathways were significantly affected at each station. For the lipidomics, sphingolipid metabolism was particularly affected at station 1, and these effects paralleled the high contaminant burden at this station. Overall, our findings showed a novel and direct association between contaminant burden and ovarian toxicological and endocrine physiological responses in cod caged at the capped Kollevåg waste disposal site.
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Affiliation(s)
- Essa A Khan
- Department of Biology, Norwegian University of Science and Technology (NTNU), N-7491, Trondheim, Norway
| | - Xiaokang Zhang
- Computational Biology Unit, Department of Informatics, University of Bergen, N-5008, Bergen, Norway
| | - Eileen M Hanna
- Computational Biology Unit, Department of Informatics, University of Bergen, N-5008, Bergen, Norway
| | - Zdenka Bartosova
- Department of Biotechnology and Food Science, NTNU, N-7491, Trondheim, Norway
| | - Fekadu Yadetie
- Department of Biological Sciences, University of Bergen, N-5020, Bergen, Norway
| | - Inge Jonassen
- Computational Biology Unit, Department of Informatics, University of Bergen, N-5008, Bergen, Norway
| | - Anders Goksøyr
- Department of Biological Sciences, University of Bergen, N-5020, Bergen, Norway
| | - Augustine Arukwe
- Department of Biology, Norwegian University of Science and Technology (NTNU), N-7491, Trondheim, Norway.
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Yin D, Lin D, Ying C, Ma F, Yang Y, Wang Y, Tan J, Liu K. Metabolic mechanisms of Coilia nasus in the natural food intake state during migration. Genomics 2020; 112:3294-3305. [PMID: 32540494 DOI: 10.1016/j.ygeno.2020.05.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 05/27/2020] [Accepted: 05/30/2020] [Indexed: 01/19/2023]
Abstract
As a prominent member of freshwater and coastal fish faunas, Coilia nasus migrates annually from the sea up the Yangtze River in China to spawn. It is traditionally believed that C. nasus generally do not feed during their spawning migration. However, we recently documented the occurrence of food intake phenomenon in C. nasus following voluntary fasting. The purpose of the current study is to explore the metabolic mechanisms on C. nasus in response to food intake during migration. A total of 23,159 differentially expressed mRNA molecules and 204 metabolites were identified in transcriptome and metabolome analyses. Our results provide insights into the activation of energy consumption and reinforcement of energy storage during migration, and also identify key genes involved in food intake regulation. Our findings will be useful for future research on population recruitment and energy utilization in wild C. nasus.
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Affiliation(s)
- Denghua Yin
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi214081, China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Danqing Lin
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi214081, China
| | - Congping Ying
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi214081, China
| | - Fengjiao Ma
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi214081, China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Yanping Yang
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi214081, China
| | - Yinping Wang
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi214081, China
| | - Jinhao Tan
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi214081, China
| | - Kai Liu
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi214081, China.
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He S, Du H, Ren P, Leng XQ, Tan QS, Li CJ, Liang XF, Wei QW. Transcriptome analysis of ovarian maturation in a chondrostei Chinese sturgeon Acipenser sinensis. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2020; 334:280-293. [PMID: 32483872 DOI: 10.1002/jez.b.22973] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 03/09/2020] [Accepted: 03/10/2020] [Indexed: 12/21/2022]
Abstract
Chinese sturgeon (Acipenser sinensis) with an evolutionary history of over 200 million years, has a long lifespan, and an extremely late and asynchronous sexual maturation (8-18 years for males and 14-26 years for females), resulting in the difficulty of mature adult culture. However, little is known about the regulatory mechanisms of the transition among ovarian maturation stages in the Chinese sturgeon. We performed de novo transcriptome sequencing of the Chinese sturgeon at different ovarian maturation stages (FII, FIII, and FIV). The number of differentially expressed genes (DEGs) between FII and FIII/FIV (33,517/34,217) was more than that between FIII and FIV (22,123), suggesting that the transition from FII to FIII/FIV is more important than that from FIII to FIV for ovarian maturation. The number of upregulated genes was more than that of the downregulated genes, suggesting that increased gene expression was involved in the transition from FII to FIII/FIV. The representative pathways of DEGs were steroid biosynthesis, fatty acid biosynthesis, fatty acid elongation, glycerolipid metabolism, biosynthesis of unsaturated fatty acid, and α-linolenic acid metabolism. The differential expressions from the transcriptome sequencing were validated with real-time reverse-transcription polymerase chain reaction. We also found 13 genes in sexual development, female sex determination, gonadal development, ovarian maturation, ovarian follicle development, and oocyte development pathways, which were differently expressed among fish at FII, FIII, and FIV. We suggest that enhanced synthesis of steroid, unsaturated fatty acid, and α-linolenic acid may contribute to ovarian maturation of the Chinese sturgeon. These potential determinants provide a glimpse of the molecular architecture of ovary development in sturgeons.
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Affiliation(s)
- Shan He
- Chinese Perch Research Center, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Hao Du
- Key Laboratory of Freshwater Biodiversity Conservation, Ministry of Agriculture of China, Yangtze River Fisheries Research Institute, Chinese Academy of Fisheries Science, Wuhan, China
| | - Ping Ren
- Chinese Perch Research Center, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Xiao-Qian Leng
- Key Laboratory of Freshwater Biodiversity Conservation, Ministry of Agriculture of China, Yangtze River Fisheries Research Institute, Chinese Academy of Fisheries Science, Wuhan, China
| | - Qing-Song Tan
- Chinese Perch Research Center, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Chuang-Ju Li
- Key Laboratory of Freshwater Biodiversity Conservation, Ministry of Agriculture of China, Yangtze River Fisheries Research Institute, Chinese Academy of Fisheries Science, Wuhan, China
| | - Xu-Fang Liang
- Chinese Perch Research Center, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Qi-Wei Wei
- Key Laboratory of Freshwater Biodiversity Conservation, Ministry of Agriculture of China, Yangtze River Fisheries Research Institute, Chinese Academy of Fisheries Science, Wuhan, China
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10
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Gonzalez-Silvera D, Izquierdo-Gomez D, Sanchez-Jerez P, Elbal MT, López-Jiménez JA, Martínez-López FJ. Influence of aquaculture waste on fatty acid profiles and gonad maturation of wild fish aggregations at fish farms. MARINE ENVIRONMENTAL RESEARCH 2020; 156:104902. [PMID: 32056797 DOI: 10.1016/j.marenvres.2020.104902] [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: 10/16/2019] [Revised: 01/27/2020] [Accepted: 02/03/2020] [Indexed: 06/10/2023]
Abstract
Wild fish belonging to four species belonging to different trophic groups were captured at three distances from fish farm facilities: long distance (>5 Km), medium distance (1.5 Km) and close to sea-cages. Flesh, brain, liver and gonads were sampled for fatty acid analysis. Fish aggregated near sea-cages showed accumulation of fatty acids of vegetable origin in the studied tissues, due to surplus feed consumption or via predation of fish that consumed the feed. Gonads accumulated vegetable fatty acids in different manner in the different species, and the species least and most influenced by fish-feeds were selected for gonad histological examination. Results showed an acceleration of the final stages of the oocyte development in fish aggregated near fish farms compared to fish captured at long distance. Differences in oocyte development were more acute in the species which incorporated higher quantities of vegetable fatty acids.
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Affiliation(s)
- D Gonzalez-Silvera
- Department of Physiology, Faculty of Biology, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain.
| | - D Izquierdo-Gomez
- Department of Marine Sciences and Applied Biology, University of Alicante, Spain
| | - P Sanchez-Jerez
- Department of Marine Sciences and Applied Biology, University of Alicante, Spain
| | - M T Elbal
- Department of Cell Biology and Histology, Faculty of Biology, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - J A López-Jiménez
- Department of Physiology, Faculty of Biology, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - F J Martínez-López
- Department of Physiology, Faculty of Biology, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
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11
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Wang Q, He Y, Li J. Conjoint Analysis of SMRT- and Illumina-Based RNA-Sequencing Data of Fenneropenaeus chinensis Provides Insight Into Sex-Biased Expression Genes Involved in Sexual Dimorphism. Front Genet 2019; 10:1175. [PMID: 31803244 PMCID: PMC6872642 DOI: 10.3389/fgene.2019.01175] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 10/24/2019] [Indexed: 12/15/2022] Open
Abstract
Fenneropenaeus chinensis (F. chinensis) is one of the most commercially important cultured shrimps in China. The adult F. chinensis exhibit sexual dimorphism in growth and body color. In this research, we profiled the whole transcriptome of F. chinensis by using single molecule real-time-based full-length transcriptome sequencing. We further performed Illumina-based short reads RNA-seq on muscle and gonad of two sexes to detect the sex-biased expression genes. In muscle, we observed significantly more female-biased transcripts. With the differentially expressed transcripts (DETs) in muscle, some pathways related to the energy metabolism were enriched, which may be responsible for the difference of growth. We also digged out a pathway named porphyrin and chlorophyll metabolism. It was speculated to relevant to the difference of body color between the two sexes of shrimp. Interestingly, almost all DETs in these pathways were female-biased expression in muscle, which could explain the phenomenon of better growth performance and darker body color in female. In gonad, several pathways involved in reproduction were enriched. For instance, some female-biased DETs participated in the arachidonic acid metabolism, which was reported crucial in female reproduction. In conclusion, our studies identified abundant sex-biased expression transcripts and important pathways involved in sexual dimorphism by using the RNA-seq method. It provided a basis for future researches on the sexual dimorphism of F. chinensis.
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Affiliation(s)
- Qiong Wang
- Key Laboratory for Sustainable Utilization of Marine Fisheries Resources, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China.,Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Yuying He
- Key Laboratory for Sustainable Utilization of Marine Fisheries Resources, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China.,Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Jian Li
- Key Laboratory for Sustainable Utilization of Marine Fisheries Resources, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China.,Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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12
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Profiling DNA methylation patterns of zebrafish liver associated with parental high dietary arachidonic acid. PLoS One 2019; 14:e0220934. [PMID: 31398226 PMCID: PMC6688801 DOI: 10.1371/journal.pone.0220934] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Accepted: 07/26/2019] [Indexed: 12/18/2022] Open
Abstract
Diet has been shown to influence epigenetic key players, such as DNA methylation, which can regulate the gene expression potential in both parents and offspring. Diets enriched in omega-6 and deficient in omega-3 PUFAs (low dietary omega-3/omega-6 PUFA ratio), have been associated with the promotion of pathogenesis of diseases in humans and other mammals. In this study, we investigated the impact of increased dietary intake of arachidonic acid (ARA), a physiologically important omega-6 PUFA, on 2 generations of zebrafish. Parental fish were fed either a low or a high ARA diet, while the progeny of both groups were fed the low ARA diet. We screened for DNA methylation on single base-pair resolution using reduced representation bisulfite sequencing (RRBS). The DNA methylation profiling revealed significant differences between the dietary groups in both parents and offspring. The majority of differentially methylated loci associated with high dietary ARA were found in introns and intergenic regions for both generations. Common loci between the identified differentially methylated loci in F0 and F1 livers were reported. We described overlapping gene annotations of identified methylation changes with differential expression, but based on a small number of overlaps. The present study describes the diet-associated methylation profiles across genomic regions, and it demonstrates that parental high dietary ARA modulates DNA methylation patterns in zebrafish liver.
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13
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Adam AC, Skjærven KH, Whatmore P, Moren M, Lie KK. Parental high dietary arachidonic acid levels modulated the hepatic transcriptome of adult zebrafish (Danio rerio) progeny. PLoS One 2018; 13:e0201278. [PMID: 30070994 PMCID: PMC6071982 DOI: 10.1371/journal.pone.0201278] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 07/12/2018] [Indexed: 12/18/2022] Open
Abstract
Disproportionate high intake of n-6 polyunsaturated fatty acids (PUFAs) in the diet is considered as a major human health concern. The present study examines changes in the hepatic gene expression pattern of adult male zebrafish progeny associated with high levels of the n-6 PUFA arachidonic acid (ARA) in the parental diet. The parental generation (F0) was fed a diet which was either low (control) or high in ARA (high ARA). Progenies of both groups (F1) were given the control diet. No differences in body weight were found between the diet groups within adult stages of either F0 or F1 generation. Few differentially expressed genes were observed between the two dietary groups in the F0 in contrast to the F1 generation. Several links were found between the previous metabolic analysis of the parental fish and the gene expression analysis in their adult progeny. Main gene expression differences in the progeny were observed related to lipid and retinoid metabolism by PPARα/RXRα playing a central role in mediating changes to lipid and long-chain fatty acid metabolism. The enrichment of genes involved in β-oxidation observed in the progeny, corresponded to the increase in peroxisomal β-oxidative degradation of long-chain fatty acids in the parental fish metabolomics data. Similar links between the F0 and F1 generation were identified for the methionine cycle and transsulfuration pathway in the high ARA group. In addition, estrogen signalling was found to be affected by parental high dietary ARA levels, where gene expression was opposite directed in F1 compared to F0. This study shows that the dietary n-3/n-6 PUFA ratio can alter gene expression patterns in the adult progeny. Whether the effect is mediated by permanent epigenetic mechanisms regulating gene expression in developing gametes needs to be further investigated.
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Affiliation(s)
| | | | - Paul Whatmore
- Institute of Marine Research, Nordnes, Bergen, Norway
| | - Mari Moren
- Institute of Marine Research, Nordnes, Bergen, Norway
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14
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Xu H, Wang C, Zhang Y, Wei Y, Liang M. Moderate levels of dietary arachidonic acid reduced lipid accumulation and tended to inhibit cell cycle progression in the liver of Japanese seabass Lateolabrax japonicus. Sci Rep 2018; 8:10682. [PMID: 30013122 PMCID: PMC6048150 DOI: 10.1038/s41598-018-28867-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 07/02/2018] [Indexed: 12/14/2022] Open
Abstract
To investigate the physiological roles of dietary arachidonic acid (ARA) in fish, a feeding trial with Japanese seabass was conducted, followed by a hepatic transcriptome assay. Six experimental diets differing basically in ARA level (0.05%, 0.22%, 0.37%, 0.60%, 1.38% and 2.32% of dry matter) were used in the feeding trial. Liver samples from fish fed diets with 0.05% and 0.37% ARA were subjected to transcriptomic assay, generating a total of 139 differently expressed unigenes, which were primarily enriched in lipid metabolism and cell cycle-related signaling pathways. Then, qRT-PCR validation on lipid metabolism and cell cycle-related genes as well as corresponding enzyme-linked immunosorbent assay of selected proteins were conducted with liver samples from all six groups. Moderated ARA levels reduced lipogenesis and stimulated β-oxidation concurrently, but high ARA levels seemed to affect lipid metabolism in complicated ways. Both gene expression and protein concentration of cell cycle-related proteins were decreased by moderate levels of dietary ARA. The lipid content and fatty acid composition in fish confirmed the transcription and protein concentration results related to lipid metabolism. In conclusion, moderate levels of dietary ARA (0.37% and 0.60%) reduced lipid accumulation and tended to inhibit cell cycle progression in the liver of Japanese seabass.
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Affiliation(s)
- Houguo Xu
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 106 Nanjing Road, Qingdao, 266071, Shandong, China
| | - Chengqiang Wang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 106 Nanjing Road, Qingdao, 266071, Shandong, China
| | - Yuanqin Zhang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 106 Nanjing Road, Qingdao, 266071, Shandong, China
| | - Yuliang Wei
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 106 Nanjing Road, Qingdao, 266071, Shandong, China
| | - Mengqing Liang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 106 Nanjing Road, Qingdao, 266071, Shandong, China. .,Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, 1 Wenhai Road, Qingdao, 266237, Shandong, China.
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15
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Rudchenko AE, Yablokov NO. Composition and Content of Fatty Acids in the Tissues of Males and Females of Eurasian Perch Perca fluviatilis at the Late Stages of Reproductive Cycle. CONTEMP PROBL ECOL+ 2018. [DOI: 10.1134/s1995425518030101] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Wolf JC, Wheeler JR. A critical review of histopathological findings associated with endocrine and non-endocrine hepatic toxicity in fish models. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2018; 197:60-78. [PMID: 29448125 DOI: 10.1016/j.aquatox.2018.01.013] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 01/05/2018] [Accepted: 01/15/2018] [Indexed: 06/08/2023]
Abstract
Although frequently examined as a target organ for non-endocrine toxicity, histopathological evaluation of the liver is becoming a routine component of endocrine disruption studies that utilize various fish species as test subjects. However, the interpretation of microscopic liver findings can be challenging, especially when attempting to distinguish adverse changes associated with endocrine disrupting substances from those caused by systemic or direct hepatic toxicity. The purpose of this project was to conduct a critical assessment of the available peer-reviewed and grey literature concerning the histopathologic effects of reproductive endocrine active substances (EAS) and non-endocrine acting substances in the livers of fish models, and to determine if liver histopathology can be used to reliably distinguish endocrine from non-endocrine etiologies. The results of this review suggest that few compound-specific histopathologic liver effects have been identified, among which are estrogen agonist-induced increases in hepatocyte basophilia and proteinaceous intravascular fluid in adult male teleosts, and potentially, decreased hepatocyte basophilia in female fish exposed to substances that possess androgenic, anti-estrogenic, or aromatase inhibitory activity. This review also used published standardized methodology to assess the credibility of the histopathology data in each of the 117 articles that reported liver effects of treatment, and consequently it was determined that in only 37% of those papers were the data considered either highly credible or credible. The outcome of this work highlights the value of histopathologic liver evaluation as an investigative tool for EAS studies, and provides information that may have implications for EAS hazard assessment.
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Affiliation(s)
- Jeffrey C Wolf
- Experimental Pathology Laboratories, Inc., 45600 Terminal Drive, Sterling, VA, 20166, USA.
| | - James R Wheeler
- Dow AgroSciences, 3 B Park Square, Milton Park, Abingdon, Oxfordshire, OK14 4RN, UK.
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