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Effects of the nutritional background and parasite infection on the intestine transcriptome of gilthead sea bream, Sparus aurata

ABSTRACT: Gilthead sea bream fed plant-protein based diets with either fish oil or vegetable oil as the most iportant source of dietary lipids were experimentally exposed to the intestinal parasite Enteromyxum leei by water effluent. A specific gilthead sea bream oligo-microarray was used to determine the intestine transcriptomic response. 41 samples from six experimental groups (2 diets x 3 infective status) in a single-color hybridization

ORGANISM(S): Sparus aurata

SUBMITTER: Josep Calduch-Giner

PROVIDER: E-GEOD-35633 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Dietary vegetable oils do not alter the intestine transcriptome of gilthead sea bream (Sparus aurata), but modulate the transcriptomic response to infection with Enteromyxum leei.

Calduch-Giner Josep A JA Sitjà-Bobadilla Ariadna A Davey Grace C GC Cairns Michael T MT Kaushik Sadasivam S Pérez-Sánchez Jaume J

BMC genomics 20120911

<h4>Background</h4>Studies conducted with gilthead sea bream (Sparus aurata L.) have determined the maximum dietary replacement of fish meal and oil without compromising growth or product quality. The present study aimed to analyze the effect of the nutritional background on fish health and fish fed plant protein-based diets with fish oil (FO diet) or a blend of vegetable oils (66VO diet) were exposed for 102 days to the intestinal myxosporean parasite Enteromyxum leei, and the intestine transcr ...[more]

PMID: 22967181

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Effects of the nutritional background and parasite infection on the intestine transcriptome of gilthead sea bream, Sparus aurata

Project description:Gilthead sea bream fed plant-protein based diets with either fish oil or vegetable oil as the most iportant source of dietary lipids were experimentally exposed to the intestinal parasite Enteromyxum leei by water effluent. A specific gilthead sea bream oligo-microarray was used to determine the intestine transcriptomic response.

2012-10-16 | GSE35633 | GEO

Gilthead seabream pathogen exposure to Enteromyxum leei

Project description:This SuperSeries is composed of the following subset Series: GSE18219: Aquafirst_seabream_pathogen exposure_head kidney GSE19646: SEA BREAM PATH_INTEST Refer to individual Series

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Project description:Transcriptional profiling of adipose tissue comparing three diets with different levels of replacement of fish oil for vegetable oils. Juvenile gilthead sea bream (Sparus aurata L.) of 16 g initial mean body weight were distributed into 9 fibreglass tanks (500 l) in groups of 60 fish at the research experimental facilities of IATS. Each group received (from May 23rd to September 19th) one of the three experimental diets nominally CTRL, 66VO and VO. All diets were based on plant proteins and dietary oil was either Scandinavian FO (CTRL diet) or a blend of vegetable oils, replacing the 66% (66VO diet) and 100% (VO diet) of FO. Four samples, using a control diet (CTRL) as reference and double color hybridization and dye swap with the other two (66VO, VO)

2015-05-09 | E-GEOD-21766 | biostudies-arrayexpress

Impact of the short chain fatty acid, sodium butyrate, on gut resident microbiota, gut mucus proteome and fish susceptibility to bacterial and parasitic infections in vivo

Project description:Previous works in the framework of EU ARRAINA Project evidenced a pro-inflammatory condition in gilthead sea bream (Sparus aurata) fed extremely low fish meal/fish oil diets, and this effect was mostly reversed by butyrate supplementation. The hypothesis of work is that these nutritionally-mediated changes can be extensive to intestinal mucus proteome and gut microbiota, which in turn could modify disease outcome.s If so, the prevalence and progression of the disease might be also modified by diet composition and feed additives. Gilthead sea bream fingerlings were fed with control and experimental diets formulated by BioMar until two year-old. FM was added at 25% in the control diet (D1) and at 5% in the other three diets (D2-D4). Added oil was either FO (D1 control diet) or a blend of vegetable oils, replacing the 58% (D2) and the 84% (D3-D4 diets) of FO. A commercial sodium butyrate preparation (NOREL, BP70) was added to the D4 diet at 0.4%. At month 20, 6 fish per each dietary treatment were sampled for iTRAQ profiling and fingerprinting of intestinal mucus proteome. Mucus collected from anterior and posterior intestine segments was trypsin digested, labelled with iTRAQ reagents, isoelectrofocused and resolved by LC-MS/MS. More than 1000 proteins were unequivocally annotated and principal component analysis clearly separated anterior and posterior segments. The diet effect with changes in the abundance of approximately 120 proteins was restricted to anterior section with a reversion of the pattern of the extreme diet (D3 fish) with dietary butyrate supplementation. Butyrate supplementation also reversed the decrease of microbiotay diversity associated with D3 feeding, and led to a improvement the disease outcomes in fish challenged with Photobacterium damselae and the intestinal parasite Enteromyxum leei.

2018-10-24 | PXD006183 | Pride

SEA BREAM PATH_INTEST

Project description:To determine the effects on the intestine gene expression of pathogen exposure to Enteromyxum leei. One fish group was exposed to E. leei-contaminated effluent (recipient group = R) . R fish (n= 66, average weight = 134 g) were placed in two replicated 200L fibre-glass tanks which were set to receive exclusively the effluent water from another tank containing 24 infected (donors = D; average weight = 127.3 g; prevalence of infection = 54%) gilthead sea bream. The D to R fish ratio was 0.8. Other 66 naÃ¯ve fish were allocated in two replicated tanks (control group = CTRL) under the same conditions, but without receiving contaminated effluent. Over the course of the study, day length followed natural changes and water was heated in order to keep temperature always above 18ÂºC, the range was 18-23 ÂºC. Water was 5 Âµm-filtered and UV irradiated, and salinity was 37.5â°. Water flow was 10L/min and oxygen content of outlet water remained higher than 85%saturation. All fish were fed daily a commercial dry pellet diet at about 1% of body weight. Disease signs and daily mortalities were recorded throughout the experiments. The parasitic status of dead fish was checked by microscopic examination of fresh intestinal scrapings. Fish were sampled after 113 days post exposure (p.e.). Feeding was stopped one day prior to the sampling to ensure that the digestive tract was empty. Head kidney and posterior intestine were rapidly excised, frozen in liquid nitrogen, and stored at -80 Â°C until RNA extraction and analysis. Keywords: Treated/Untreated, confinement, cortisol, stress response, time course, microarray 28 intestine samples - Twenty eight slides were hybridised using a reference design. Three groups (control, infected and non-infected) were compared using five individual fish in each group. Each sample was hybridised twice - the second being a dye-swap of the first.

2010-06-05 | E-GEOD-19646 | biostudies-arrayexpress

SEA BREAM_CONFINEMENT

Project description:Juvenile gilthead sea bream of 10-15 g initial body weight were randomly distributed in eight 500-L tanks in a seawater re-circulatory system equipped with physical and biological filters, and a heat-unit system that maintained water temperature above 18-19 ÂºC. Fish grew from July to December at a density of 8-10 kg/m3 with an overall daily growth index of 1.9 Â± 0.01. Extruded pellets (47 % protein, 21% lipid; Proaqua, Palencia, Spain) were offered to visual satiety. Feeding was stopped one day before confinement exposure, and batches of 10 fish were then transferred from two 500-L tanks to cylinder net baskets of 10-L volume (117-123 Kg/m3), suspended each one in 90-L tanks with a high flow of seawater (10 L/min) to avoid water deterioration (Oxygen > 5 ppm; unionised ammonia < 0.02 mg/L). Fish from seven additional 500-L tanks were established as control groups, and remained undisturbed prior to sampling at zero and each sampling time. At each sampling time (1.5, 3, 6, 24, 72 and 120 h), eight fish from one control and one confinement tank were netted into a bucket to be anaesthetized with 0.1 g/L 3-aminobenzoic acid ethyl ester (MS-222). Fish were killed by cervical section and liver was taken, frozen immediately in liquid nitrogen and stored at -80 ÂºC until RNA isolation. Only 6h, 72h and 120h were analysed on the microarray. The experimental design was a reference design with the reference being prepared from a pool of all (confined and control) RNAs used in the microarray analysis. All samples were hybridised twice (except L72C5R, L120C2F, L120S4F, L24C4F) with one being the dye swap of the other. Keywords: Time Course 72 samples

2010-06-24 | E-GEOD-16633 | biostudies-arrayexpress

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