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Transcriptome analysis of gilthead sea bream (Sparus aurata) brain after exposure to environmental concentrations of human pharmaceuticals

ABSTRACT: A gilthead sea bream (Sparus aurata) microarray platform was developed to identify brain gene expression profiles in response to environmental concentrations of human pharmaceuticals.

ORGANISM(S): Sparus aurata

PROVIDER: GSE38195 | GEO | 2014/05/22

SECONDARY ACCESSION(S): PRJNA167340

REPOSITORIES: GEO

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Transcriptome analysis of gilthead sea bream (Sparus aurata) brain after exposure to environmental concentrations of human pharmaceuticals

Project description:A gilthead sea bream (Sparus aurata) microarray platform was developed to identify brain gene expression profiles in response to environmental concentrations of human pharmaceuticals. Comparative analysis of gene expression profiles was conducted among brain of gilthead seabream exposed to Acetaminophen (APAP; analgesic), Carbamazepine (CBZ; anti-epileptic) and Atenolol (AT; β-blocker). All groups of samples were also compared with brain of control individuals.

2014-05-22 | E-GEOD-38195 | biostudies-arrayexpress

Plasma proteomics reveals gilthead sea bream (Sparus aurata) impairment evoked by Sparicotyle chrysophrii

Project description:Sparicotylosis is an endemic parasitic disease across the Mediterranean Sea caused by the polyopisthocotylean monogenean Sparycotyle chrysophrii, which affects the gills of gilthead sea bream (Sparus aurata). Current disease-management, mitigation and treatment strategies are scarce against sparicotylosis. In order to successfully develop more efficient therapeutic strategies against this disease, understanding which molecular mechanisms and metabolic pathways are altered in the host is critical. This study aims to elucidate how S. chrysophrii infection modulates giltheadd seea bream physiological status and to identify the main altered biological processes through plasma proteomics of the host.

2022-10-14 | PXD034541 | Pride

Genome expression profile of early response to photobacteriosis in gilthead sea bream (Sparus aurata)

2013-02-22 | GSE26651 | GEO

Proteomic changes induced by cold challenge in gilthead sea bream (Sparus aurata) liver

Project description:We report the proteomic characterization of livers from Sparus aurata exposed to cold temperatures. In this study, mimicking the winter challenge conditions, a 8 week feeding trial was carried out on gilthead sea bream juveniles reared in RAS systems at a temperature ramp made of two phases of four weeks each: a cooling phase from 18°C 8 (t0) to 11°C (t1) and a cold maintenance phase at 11°C (t2). Sparus aurata livers, after exposure to the three temperature phases (t0, t1 and t2), were collected and analyzed using a shotgun proteomics approach based on filter-aided sample preparation followed by tandem mass spectrometry, peptide identification carried out using Sequest-HT as search engine within the Proteome Discoverer informatic platform, and label-free differential analysis. Along the whole trial, sea breams underwent several changes occurring upon thermal stress in liver protein abundance. These occurred mostly during the cooling phase, when catabolic processes were mainly observed. These included protein and lipid degradation and a decrease in protein synthesis and amino acid metabolism. A decrease in protein mediators of oxidative stress protection was also seen. Liver protein profiles showed less marked changes during cold maintenance, although pathways such as the methionine cycle and sugar metabolism were significantly affected. This study provided useful hints on the dynamics and extent of the metabolic shift occurring in sea bream liver with decreasing water temperature, helping the development of feeds aimed at compensating the thermal stress encountered by fish in offshore farming conditions.

2019-05-28 | PXD011059 | Pride

Transcriptome analysis of gilthead sea bream Sparus aurata liver upon exposure to low temperature

Project description:In Sparus aurata, seasonal temperature variations outside the normal thermal range, may trigger physiological responses leading to pathologies and death. In the present study two groups of wild sea bream were exposed for 21 days to two temperature regimes: 16 ± 0.3 °C (control group) and 6.8 ± 0.3 °C (cold-exposed group). Samples were collected during the acute phase (0, 6 and 24 hours after temperature drop) and upon chronic exposure (21 days).

2014-08-27 | GSE51442 | GEO

Genome expression profile of early response to photobacteriosis in gilthead sea bream (Sparus aurata)

Project description:Analysis of the gene expression profiles of Sparus aurata head kidney after infection with Photobaterium damselae piscicida. The expression levels of 21,497 sea bream transcripts, on both directions, 24 and 48 hours post-infection, were compared with the levels detected in uninfected individuals. Sea bream individuals were exposed by immersion in 100 l of aereated sea water containing 2.89x108 CFU of a virulent Photobacterium damselae piscidida strain (249/ittio99) for 30 min. After pathogen exposure, all fish were returned to one tank. A challenge in the absence of pathogen was carried out with the same experimental procedure. For both infected and uninfected group, four (4) fish were collected at 24h and 48h post challenge and euthanized by over anesthetization, for a total of 16 individuals. Samples of head kidney were taken and stored in RNA later at -20°C until RNA extraction. Gene expression profiling was then performed using the Agilent-027679 Sparus aurata Oligo Microarray platform based on single-colour detection (Cyanine-3 only). Microarrays were scanned with Agilent scanner G2565BA (barcode on the left, DNA on the back surface, scanned through the glass) at a resolution of 5 microns; all slides were scanned twice at two different sensitivity settings (XDRHi 100% and XDRLo 10%); the scanner software created a unique ID for each pair of XDR scans and saved it to both scan image files. Feature Extraction (FE) 9.6 used XDR ID to link the pairs of scans together automatically when extracting data.

2013-02-22 | E-GEOD-26651 | biostudies-arrayexpress

Transcriptomic response in gilthead sea bream (Sparus aurata) liver exposed to gold nanoparticles

Project description:Explore the underlying mechanisms-of-action after short-term (24 h) waterborne exposure to low (0.5 μg/L) and high (50 μg/L) gold nanoparticles (AuNP) concentrations in gilthead sea bream.

2017-01-24 | GSE93930 | GEO

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

Brewer’s spent dry yeast modulates immunity in gilthead sea bream (Sparus aurata)

Project description:We report a comparison of tissue-specific (head kidney, intestine and liver) gene expression profiles from gilthead sea bream fed with control and Brewer's spent dry yeast (SDY) diets.The inclusion of SDY at 30% in the experimental diet (40% crude protein, 16% crude lipid) resulted in a reduction in FM (10%) and PP (31.4%) contents. 218 differentially expressed genes (DEGs) were identified among all tissues, out of which, 141 were up- and 77 down-regulated. The enrichment analysis of DEGs revealed that SDY had a modulatory effect on several processes related to host’s immunity, oxygen’s carrier capacity, sexual differentiation, metabolism, and digestion. This study supports the notion that brewery’s by-products like SDY are suitable for aquafeeds of carnivorous fish species such as the gilthead sea bream, and promotes a circular bioeconomy model that reuses, recovers and recycles resources instead of producing wastes

2022-03-09 | GSE194206 | GEO

Phytogenics from sage and lemon verbena promote innate immunity and barrier function in the gut of gilthead seabream (Sparus aurata)

Project description:Deciphering the dietary immunomodulatory effects of a medicinal plant leaf extract (MPLE) obateined from sage (Salvia officinalis, Lamiaceae) and lemon verbena (Lippia citriodora, Verbenaceae) upon the gut-associated lymphoid tissue (GALT) of gilthead seabream (Sparus aurata).

2021-06-02 | GSE166558 | GEO

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