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Cloning of endothelin-1 (ET-1) from European sea bass (Dicentrarchus labrax) and its gene expression analysis in larvae with retinoic acid-induced malformations ArchiMer
Geay, Florian; Darias, Maria J.; Santigosa, E.; Desbruyeres, Elisabeth; Quazuguel, Patrick; Zambonino, Jose-luis; Cahu, Chantal; Mazurais, David.
It is known in vertebrates that endothelin-1 (ET-1) plays a key role ill morphogenesis whose expression level greatly influences the development of craniofacial malformations. In the Present study, the complete cDNA fragment encoding a precursor of endothelin-1, the preproendothelin-1 (PPET1), was cloned by RACE-PCR from European sea bass. The cDNA encoded a 199 amino acid polypeptide that was composed of the "mature" and "big" ET-1. Relative ET-1 expression levels were investigated in European sea bass larvae fed microparticulate diets containing the standard amount (0.08 g retinol/kg diet: group N) or all excess of retinoic acid which induces skeletal malformations (0.5 g retinol/kg diet: group RA). Real-time reverse transcriptor polymerase chain...
Tipo: Text Palavras-chave: European sea bass; Retinoic acid; Morphogenesis; Gene expression; Endothelin 1.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6172.pdf
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Effects of dietary tannin on growth, feed utilization and digestibility, and carcass composition in juvenile European seabass ( Dicentrarchus labrax L.) ArchiMer
Omnes, Marie-helene; Le Goasduff, Julien; Le Delliou, Herve; Le Bayon, Nicolas; Quazuguel, Patrick; Robin, Jean.
Plant-based products in fish diets are valuable protein alternatives to fishmeal for the aquafeed industry. Many plant feed ingredients contain polyphenolic compounds, including tannins, which can have beneficial or adverse effects. The tolerable threshold of ingested tannins is unknown for marine carnivorous fishes. We studied the effects of tannic acid (TA) supplementation to the diet of juvenile European seabass (Dicentrarchus labrax) by measuring growth, feed utilization and digestibility, and carcass composition. We randomly allocated groups of fish (initial mean body weight of 10.2 ± 0.7 g; n = 40 fish per tank) to 12 replicate cylindrical-conical tanks (three per treatment). The fish were assigned to one of four dietary treatments for five weeks:...
Tipo: Text Palavras-chave: Dicentrarchus labrax; Polyphenolic tannin; Growth; Digestibility; Carcass composition.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00374/48478/48767.pdf
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Moderate hypoxia but not warming conditions at larval stage induces adverse carry-over effects on hypoxia tolerance of European sea bass ( Dicentrarchus labrax ) juveniles ArchiMer
Cadiz, Laura; Ernande, Bruno; Quazuguel, Patrick; Servili, Arianna; Zambonino-infante, Jose-luis; Mazurais, David.
Environmental conditions, to which organisms are exposed during all their life, may cause possible adaptive responses with consequences in their subsequent life-history trajectory. The objective of this study was to investigate whether ecologically relevant combinations of hypoxia (40% and 100% air saturation) and temperature (15° and 20 °C), occurring during the larval period of European sea bass larvae (Dicentrarchus labrax), could have long-lasting impacts on the physiology of resulting juveniles. Hypoxic challenge tests were performed over one year to give an integrative evaluation of physiological performance. We revealed that juvenile performance was negatively impacted by hypoxia but not by the thermal conditions experienced at larval stage. This...
Tipo: Text Palavras-chave: Hypoxia; Temperature; Developmental plasticity; Carry-over effects; Opercular malformation; European sea bass.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00434/54606/55988.pdf
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Will global warming affect the functional need for essential fatty acids in juvenile sea bass (Dicentrarchus labrax)? A first overview of the consequences of lower availability of nutritional fatty acids on growth performance ArchiMer
Gourtay, Clemence; Chabot, Denis; Audet, Celine; Le Delliou, Herve; Quazuguel, Patrick; Claireaux, Guy; Zambonino-infante, Jose-luis.
Global climate changes have led to a depletion in omega-3 polyunsaturated fatty acids (n-3 PUFA) in marine phytoplankton that—with food web transfers—could negatively impact fish performance. The aim of this study was to assess the effect of a reduction in the dietary availability of n-3 PUFA on growth performance, organ allometry, and fatty acid composition in juvenile European sea bass (Dicentrarchus labrax) raised at two different temperatures: 15 °C (natural conditions) and 20 °C (global warming scenario). Fish were fed for 5 months with two isoenergetic and isoproteic diets: a reference diet (RD; 1.65% n-3 PUFA on a dry matter basis, DM) used as a proxy of trophic networks where n-3 PUFA were plentiful, and a lower n-3 PUFA diet (LD; 0.73% n-3 PUFA on...
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Ano: 2018 URL: https://archimer.ifremer.fr/doc/00454/56543/58335.pdf
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Hypoxic episode during the larval period has long-term effects on European sea bass juveniles (Dicentrarchus labrax) ArchiMer
Vanderplancke, Gwenaelle; Claireaux, Guy; Quazuguel, Patrick; Madec, Lauriane; Ferraresso, Serena; Severe, Armelle; Zambonino-infante, Jose-luis; Mazurais, David.
Hypoxia episodes have been generally studied over the last decade for their lethal consequences in coastal areas, which are nurseries for several fish species. The possible long-lasting effects of non-lethal hypoxia exposures at larval stage are, however, poorly documented. We investigated the long-lasting phenotypic impact of an experimental exposure to moderate hypoxia (40 % air saturation) between 30 and 38 days post-hatching in European sea bass (Dicentrarchus labrax). At the juvenile stage, our data indicate that this early hypoxia exposure impacted on juvenile growth rate but not on hypoxia tolerance. Growth depression was associated with a regulation of metabolism as suggested by a decrease in blood glycaemia, a decreased hepatic expression of the...
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Ano: 2015 URL: https://archimer.ifremer.fr/doc/00254/36517/36676.pdf
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Metabolic response to hypoxia in European sea bass (Dicentrarchus labrax) displays developmental plasticity ArchiMer
Cadiz, Laura; Zambonino-infante, Jose-luis; Quazuguel, Patrick; Madec, Lauriane; Le Delliou, Herve; Mazurais, David.
Several physiological functions in fish are shaped by environmental stimuli received during early life. In particular, early-life hypoxia has been reported to have long-lasting effects on fish metabolism, with potential consequences for fish life history traits. In the present study, we examine whether the synergistic stressors hypoxia (40% and 100% air saturation) and temperature (15° and 20 °C), encountered during early life, could condition later metabolic response in European sea bass (Dicentrarchus labrax) juveniles. Growth rate and metabolic parameters related to carbohydrate and lipid metabolism in the liver were investigated at the juvenile stage under normoxic and chronic hypoxic conditions. Juvenile growth rates were significantly lower...
Tipo: Text Palavras-chave: Hypoxia; Developmental plasticity; Metabolism; European sea bass.
Ano: 2018 URL: http://archimer.ifremer.fr/doc/00404/51536/52126.pdf
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The development of contemporary European sea bass larvae (Dicentrarchus labrax) is not affected by projected ocean acidification scenarios ArchiMer
Crespel, Amelie; Zambonino-infante, Jose-luis; Mazurais, David; Koumoundouros, George; Fragkoulis, Stefanos; Quazuguel, Patrick; Huelvan, Christine; Madec, Lauriane; Servili, Arianna; Claireaux, Guy.
Ocean acidification is a recognized consequence of anthropogenic carbon dioxide (CO2) emission in the atmosphere. Despite its threat to marine ecosystems, little is presently known about the capacity for fish to respond efficiently to this acidification. In adult fish, acid-base regulatory capacities are believed to be relatively competent to respond to hypercapnic conditions. However, fish in early life stage could be particularly sensitive to environmental factors as organs and important physiological functions become progressively operational during this period. In this study, the response of European sea bass (Dicentrarchus labrax) larvae reared under three ocean acidification scenarios, i.e., control (present condition, P-CO2 = 590 mu atm, pH total =...
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Ano: 2017 URL: https://archimer.ifremer.fr/doc/00393/50448/51181.pdf
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Effect of nature of dietary lipids on European sea bass morphogenesis: implication of retinoid receptors ArchiMer
Villeneuve, Laure; Gisbert, Enric; Zambonino, Jose-luis; Quazuguel, Patrick; Cahu, Chantal.
The effect of the nature and form of supply of dietary lipids on larval development was investigated in European sea bass larvae, by considering the expression of several genes involved in morphogenesis. Fish were fed from 7 to 37 d post-hatch with five isoproteic and isolipidic compound diets incorporating different levels of EPA and DHA provided by phospholipid or neutral lipid. Phospholipid fraction containing 1 center dot 1 % (PL1 diet) to 2 center dot 3 % (PL3 diet) of EPA and DHA sustained good larval growth and survival, with low vertebral and cephalic deformities. Similar levels of EPA and DHA provided by the neutral lipid fraction were teratogenic and lethal. Nevertheless, dietary phospholipids containing high levels of DHA and EPA (PL5 diet)...
Tipo: Text Palavras-chave: Retinoic acid receptors; Skeletal malformations; Dicentrarchus labrax larvae; Neutral lipids; Phospholipids.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/publication-880.pdf
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Ocean warming combined with lower omega-3 nutritional availability impairs the cardio-respiratory function of a marine fish ArchiMer
Vagner, Marie; Pante, Eric; Viricel, Amelia; Lacoue-labarthe, Thomas; Zambonino-infante, Jose-luis; Quazuguel, Patrick; Dubillot, Emmanuel; Huet, Valerie; Le Delliou, Herve; Lefrançois, Christel; Imbert-auvray, Nathalie.
Highly unsaturated fatty acids of the omega-3 series (HUFA) are major constituents of cell membranes, yet poorly synthesised de novo by consumers. Their production, mainly supported by aquatic microalgae, has been decreasing with global change. Understanding the consequences of such reductions is essential for ectotherm consumers, since temperature tightly regulates the HUFA content in cell membranes, maintaining their functionality. Integrating individual, tissue and molecular approaches, we examined the consequences of the combined effects of temperature and HUFA depletion on the key cardio-respiratory functions of the golden grey mullet, an ectotherm grazer of high ecological importance. For four months, fish were exposed to two contrasting HUFA diets...
Tipo: Text Palavras-chave: Omega-3 highly unsaturated fatty acids; Temperature; Cardiac performance; Swimming performance; Chelon auratus; RNAseq.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00476/58744/63565.pdf
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Evaluation of the impact of polyethylene microbeads ingestion in European sea bass (Dicentrarchus labrax) larvae ArchiMer
Mazurais, David; Ernande, Bruno; Quazuguel, Patrick; Severe, Armelle; Huelvan, Christine; Madec, Lauriane; Mouchel, Olivier; Soudant, P.; Robbens, J.; Huvet, Arnaud; Zambonino-infante, J..
Microplastics are present in marine habitats worldwide and may be ingested by low trophic organisms such as fish larvae, with uncertain physiological consequences. The present study aims at assessing the impact of polyethylene (PE 10-45µM) microbeads ingestion in European sea bass (Dicentrarchus labrax) larvae. Fish were fed an inert diet including 0, 104 and 105 fluorescent microbeads per gram from 7 until 43 days post-hatching (dph). Microbeads were detected in the gastrointestinal tract in all fish fed diet incorporating PE. Our data revealed an efficient elimination of PE beads from the gut since no fluorescent was observed in the larvae after 48h depuration. While the mortality rate increased significantly with the amount of microbeads scored per...
Tipo: Text Palavras-chave: Microplastic; Fish; Larvae; Ingestion; Survival.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00279/39057/37621.pdf
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Exposure to chronic moderate hypoxia impacts physiological and developmental traits of European sea bass (Dicentrarchus labrax) larvae ArchiMer
Vanderplancke, Gwenaelle; Claireaux, Guy; Quazuguel, Patrick; Huelvan, Christine; Corporeau, Charlotte; Mazurais, David; Zambonino-infante, Jose-luis.
Since European sea bass (Dicentrarchus labrax) larvae occurred in coastal and estuarine waters at early life stages, they are likely to be exposed to reduced dissolved oxygen waters at a sensitive developmental stage. However, the effects of hypoxia at larval stage, which depend in part on fish species, remain very poorly documented in European sea bass. In the present study, the impacts of an experimental exposure to a chronic moderate hypoxia (40 % air saturation) between 30 and 38 days post-hatching on the physiological and developmental traits of European sea bass larvae were assessed. This study was based on the investigation of survival and growth rates, parameters related to energy metabolism [Citrate Synthase (CS) and Cytochrome-c Oxidase (COX)...
Tipo: Text Palavras-chave: Hypoxia; Fish larvae; Energy metabolism; Maturation.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00253/36433/35005.pdf
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Dietary phospholipids are more efficient than neutral lipids for long-chain polyunsaturated fatty acid supply in European sea bass Dicentrarchus labrax larval development ArchiMer
Gisbert, Enric; Villeneuve, Laure; Zambonino, Jose-luis; Quazuguel, Patrick; Cahu, Chantal.
We evaluated the effects of dietary lipid class (phospholipid vs. neutral lipid) and level of n-3 long-chain PUFA (LC-PUFA) on the growth, digestive enzymatic activity, and histological organization of the intestine and liver in European sea bass larvae. Fish were fed from the onset of exogenous feeding at 7 to 37 d post-hatch with five isoproteic and isolipidic compound diets with different levels of EPA and DHA. Diet names indicated the percentage of EPA and DHA contained in the phospholipids (PL) and neutral lipids (NL), as follows: PL5, PL3, PL1, NL1, and NL3. Histological observations showed different patterns of lipid absorption and accumulation in the intestinal mucosa depending on the level and nature of the dietary lipid fraction. Fish fed high...
Tipo: Text Palavras-chave: Histology; Digestive system; Phospholipid; Larvae; Dicentrarchus labrax; Dietary.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/publication-929.pdf
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Hypoxia tolerance of common sole juveniles depends on dietary regime and temperature at the larval stage: evidence for environmental conditioning ArchiMer
Zambonino, Jose-luis; Claireaux, Guy; Ernande, Bruno; Quazuguel, Patrick; Severe, Armelle; Huelvan, Christine; Mazurais, David.
An individual's environmental history may have delayed effects on its physiology and life history at later stages in life because of irreversible plastic responses of early ontogenesis to environmental conditions. We chose a marine fish, the common sole, as a model species to study these effects, because it inhabits shallow marine areas highly exposed to environmental changes. We tested whether temperature and trophic conditions experienced during the larval stage had delayed effects on life-history traits and resistance to hypoxia at the juvenile stage. We thus examined the combined effect of global warming and hypoxia in coastal waters, which are potential stressors to many estuarine and coastal marine fishes. Elevated temperature and better trophic...
Tipo: Text Palavras-chave: Fish; Environmental programming; Climate change; Hypoxia; Nutrition.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00127/23858/21810.pdf
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The highly variable microbiota associated to intestinal mucosa correlates with growth and hypoxia resistance of sea bass, Dicentrarchus labrax, submitted to different nutritional histories ArchiMer
Gatesoupe, Francois-joel; Huelvan, Christine; Le Bayon, Nicolas; Le Delliou, Herve; Madec, Lauriane; Mouchel, Olivier; Quazuguel, Patrick; Mazurais, David; Zambonino-infante, Jose-luis.
Background The better understanding of how intestinal microbiota interacts with fish health is one of the key to sustainable aquaculture development. The present experiment aimed at correlating active microbiota associated to intestinal mucosa with Specific Growth Rate (SGR) and Hypoxia Resistance Time (HRT) in European sea bass individuals submitted to different nutritional histories: the fish were fed either standard or unbalanced diets at first feeding, and then mixed before repeating the dietary challenge in a common garden approach at the juvenile stage. Results A diet deficient in essential fatty acids (LH) lowered both SGR and HRT in sea bass, especially when the deficiency was already applied at first feeding. A protein-deficient diet with high...
Tipo: Text Palavras-chave: Host-microbe interaction; 16S rRNA; Pyrosequencing; Autochthonous bacteria; Alternative feed ingredients; Physiological status.
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00356/46719/46590.pdf
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The effects of dietary marine protein hydrolysates on the development of sea bass larvae, Dicentrarchus labrax, and associated microbiota ArchiMer
Delcroix, Jeremy; Gatesoupe, F.j.; Desbruyeres, Elisabeth; Huelvan, Christine; Le Delliou, Herve; Le Gall, Marie-madeleine; Quazuguel, Patrick; Mazurais, David; Zambonino-infante, Jose-luis.
Protein hydrolysate is an essential component of dry starter diets for fish larvae, as promoting healthy development. Peptides are also suitable substrates for many intestinal microbes. Five experimental diets were compared to a control diet (CONT) supplemented with a commercial fish protein hydrolysate. Each diet contained one marine protein hydrolysate, which differed by the proportion of di- and tri-peptides, and by raw materials. Two diets (HYD4 and HYD5) stimulated larval growth compared with CONT. Two other diets (HYD1 and HYD2) yielded inferior growth. HYD1 was detrimental for survival, which was associated with an up-regulation of genes involved in inflammation and antioxidative responses, while the gene coding for osteocalcin was down-regulated in...
Tipo: Text Palavras-chave: Compound diets; Denaturing gradient gel electrophoresis; Digestive enzymes; Gene expression; Gut maturation; Peptides.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00197/30865/29268.pdf
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Genomic organization and spatio-temporal expression of the hemoglobin genes in European sea bass (Dicentrarchus labrax) ArchiMer
Cadiz, L.; Desmarais, E.; Servili, Arianna; Quazuguel, Patrick; Madec, Lauriane; Huelvan, Christine; Andersen, O.; Zambonino-infante, Jose-luis; Mazurais, David.
Hemoglobins (Hb) play a critical role in satisfying the oxygen demand of vertebrate aerobic metabolism. The present study reports the characterization of the European sea bass (Dicentrarchus labrax) Hb genes, including genomic organization, phylogeny, and spatio-temporal gene expression. These Hb genes are divided into two unlinked clusters, the “MN” cluster containing eleven genes (five Hbα genes named MN-Hbα1-5 and six Hbβ genes named MN-Hbβ1–6) and the “LA” cluster consisting of three genes (two Hbα genes named LA-Hbα1-2 and one Hbβ gene named LA-Hbβ1). Comparative analysis of Hb amino acid sequences indicates that most of the important amino acid residues involved in hemoglobin-oxygen binding, particularly in the Bohr and Root effects, are generally...
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Ano: 2017 URL: https://archimer.ifremer.fr/doc/00382/49349/49787.pdf
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Long-term effects of ocean acidification upon energetics and oxygen transport in the European sea bass (Dicentrarchus labrax, Linnaeus) ArchiMer
Crespel, Amélie; Anttila, Katja; Lelièvre, Pernelle; Quazuguel, Patrick; Le Bayon, Nicolas; Zambonino-infante, Jose-luis; Chabot, Denis; Claireaux, Guy.
The accumulation of CO2 in the atmosphere and resulting ocean acidification represent a threat to marine ecosystems. While acid–base regulatory capacity is well developed in marine fish, allowing compensation of extra-cellular pH during short-term hypercapnia, the possible energetic costs of such regulation during long-term exposure remain to be established. In this study, juvenile European sea bass (Dicentrarchus labrax) were exposed from 2 days post-hatching to three different ocean acidification scenarios: control (present condition, PCO2 = 520 µatm, pH 7.9), moderate acidification (PCO2 = 950 µatm, pH 7.7), and high acidification (PCO2 = 1490 µatm, pH 7.5). After 1.5 years of exposure, fish aerobic metabolic capacities, as well as elements of their...
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Ano: 2019 URL: https://archimer.ifremer.fr/doc/00512/62340/66604.pdf
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Early exposure to chronic hypoxia induces short- and long-term regulation of hemoglobin gene expression in European sea bass (Dicentrarchus labrax) ArchiMer
Cadiz, Laura; Servili, Arianna; Quazuguel, Patrick; Madec, Lauriane; Zambonino, Jose-luis; Mazurais, David.
European sea bass (Dicentrarchus labrax) inhabits coastal waters and may be exposed to hypoxia at different life stages, requiring physiological and behavioral adaptation. In the present study, we attempted to determine whether regulation of hemoglobin (Hb) gene expression plays a role in the physiological response to chronic moderate hypoxia in whole larvae and hematopoietic tissues (head kidney and spleen) of juveniles. We also tested the hypothesis that hypoxia exposure at the larval stage could induce a long-term effect on the regulation of Hb gene expression. For this purpose, D. labrax were exposed to a non-lethal hypoxic condition (40% air saturation) at the larval stage from 28 to 50 days post-hatching (dph) and/or at the juvenile stage from 196 to...
Tipo: Text Palavras-chave: Hypoxia; Hemoglobin; Early exposure; European sea bass.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00399/51039/51831.pdf
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Dietary vitamin D-3 affects digestive system ontogenesis and ossification in European sea bass (Dicentrachus labrax, Linnaeus, 1758) ArchiMer
Darias, Maria J.; Mazurais, David; Koumoundouros, Giorgos; Glynatsi, Nomiki; Christodoulopoulou, Stavroula; Huelvan, Christine; Desbruyeres, Elisabeth; Le Gall, Marie-madeleine; Quazuguel, Patrick; Cahu, Chantal; Zambonino-infante, Jose L..
The influence of dietary vitamin D-3 (VD3) on survival, growth and morphogenesis during the larval development of European sea bass (Dicentrarchus labrax) was evaluated until 45 days post hatching. Diets contained 4% of the standard vitamin mix (VM) recommended by the National Research Council (NRC) and incorporated 0, 19.2, 38.4, or 140 IU of VD3 per gram of diet to give VD-0, VD-1, VD-2 and VD-3 dietary treatments, respectively. The present study revealed for the first time an impact of dietary VD3 on the sea bass digestive system ontogenesis that consequently conditioned the ossification process and morphogenesis. All dietary VD3 levels were in the "adequate range" based on larval survival. Nevertheless, growth, intestinal maturation and ossification at...
Tipo: Text Palavras-chave: Fish larvae; Ossification; Malformations; Vitamin D; Digestive system; Gene expression.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00000/11147/7849.pdf
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Depletion of Essential Fatty Acids in the Food Source Affects Aerobic Capacities of the Golden Grey Mullet Liza aurata in a Warming Seawater Context ArchiMer
Vagner, Marie; Lacoue-labarthe, Thomas; Infante, Jose-luis Zambonino; Mazurais, David; Dubillot, Emmanuel; Le Delliou, Herve; Quazuguel, Patrick; Lefrancois, Christel.
The objective of this study was to evaluate the combined effects of thermal acclimation and n-3 highly unsaturated fatty acids (n-3 HUFA) content of the food source on the aerobic capacities of fish in a thermal changing environment. The model used was the golden grey mullet Liza aurata, a species of high ecological importance in temperate coastal areas. For four months, fish were exposed to two food sources with contrasting n-3 HUFA contents (4.8% ecosapentaenoic acid EPA + docosahexaenoic acid DHA on the dry matter DM basis vs. 0.2% EPA+DHA on DM) combined with two acclimation temperatures (12 degrees C vs. 20 degrees C). The four experimental conditions were LH12, LH20, HH12 and HH20. Each group was then submitted to a thermal challenge consisting of...
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Ano: 2015 URL: https://archimer.ifremer.fr/doc/00274/38479/36939.pdf
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