Ontology highlight
ABSTRACT:
PROVIDER: PRJNA588185 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR10412142_1.fastq.gz | Fastqsanger.gz | |||
| SRR10412142_2.fastq.gz | Fastqsanger.gz | |||
| SRR10412143_1.fastq.gz | Fastqsanger.gz | |||
| SRR10412143_2.fastq.gz | Fastqsanger.gz | |||
| SRR10412144_1.fastq.gz | Fastqsanger.gz |
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Project description:We aimed at obtaining a reference transcriptome for the European seabass. We characterized by Illumina paired-ends RNA-seq the D. labrax transcriptome for two targeted organs, using a diversity of conditions, animal stages and genotypes to warranty the widest variety of reconstructed transcripts. The brain (including pineal gland and pituitary) and liver were chosen as they are complementary and at a crossroads of many key neuroendocrine, metabolic and behavioral regulations. Dicentrarchus labrax_2 targeted organs (liver and brain) with two technical replicates each (using two different fragment sizes) half a GAIIX run total. We used two flow cells per organ and each was corresponding to a different fragment size. The expected sizes were 350 and 500bp.
2014-02-01 | E-MTAB-1867 | biostudies-arrayexpress
Project description:The aim of the project was to identify differently expressed genes in eggs of European seabass (Dicentrarchus labrax) characterized by different quality. In this way it was expected to identify genes possibly being a molecular indicator of egg quality in this species, which was never studied to date. For the study microarray analysis of over 26 thousand genes in 16 egg batches was performed. Additionally, for each egg batch biological quality was determined, what allowed to compare the gene expression profile with overall egg quality (divided into two groups representing ‘high’ and ‘low’ egg quality). The analysis allowed to identify 39 differently expressed genes between the two groups representing ‘high’ and ‘low’ egg quality. From those genes, expression level of 7 were verified by real-time qPCR which confirmed significant difference in expression in 5 of them.
2016-12-31 | GSE84559 | GEO
Project description:Dicentrarchus labrax (European Sea Bass) genome
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Project description:Fish respond to stressors by means of an array of changes that involve many biological compartments including molecular, cellular, metabolic, physiological and behavioral acclimation. Among these changes, the immune system also experiences significant alterations that are characterized by an induction of the innate non-specific responses and changes in the acquired specific response. The present investigation was undertaken to check whether the innate response of the complement system is affected after a combination of an immune challenge and a husbandry stressor. In European seabass, two different transcripts of the complement C3 protein, which correspond to two tissue-specific isoforms, have been detected in liver. They may come from post-transcriptional modifications at the pre-mRNA level or from alternative splicing in order to generate a diversified repertoire of protein isoforms in some fish species according to the tissue were they are located. After cloning the hepatic C3, the quantification of seabass isoforms showed specific responses, thus confirming the possible specialized roles of the C3 different isoforms in terms of defence immunity. On one hand, a stronger esbC3_2 expression was observed in front to the viral challenge, suggesting a specific participation of this molecule in front to viruses. This observation is in agreement with previous studies in trout macrophages in our lab, demonstrating that the immune response to viral infections was stronger than to bacterial ones. On the other hand, the esbC3_1 expression appeared stronger after bacterial challenge, especially under high density conditions. Our results confirm the hypothesis of an immune-activation of specific isoforms of the C3 protein of the complement system as a non-specific response in front to either immune or other type of stressors. In order to confirm our hypothesis, we created an oligonucleotide microarray (Agilent Technologies) containing 6275 annotated transcripts, each with x3 specific probes, and 4516 ESTs with 1 probe/target sequence. Gene expression profiles obtained from the livers of fish held under high density culture conditions highlighted a significant contrast in the liver response. In total, 54 transcripts were differentially expressed (GDE; fold change FC >2) in treatment over the control (p<0.01)/201 (p<0.05). Oligonucleotide probes were used to construct a high-density seabass microarray based on the Agilent 4 × 44 K design format (http://www.agilent.com/), which covers 13,199 unique transcripts of Dicentrarchus labrax. Oligonucleotides, 60-mer plus a “linker”, are synthesized directly on glass slides using the Agilent’s SurePrint Tecnology; oligo design was carried out by Agilent and three or more non-overlapping probes were designed for each EST cluster. The number of transcripts represented by three is 6,275, while 6,924 targets EST have only one probe.
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Project description:Genome-wide confirmation of isogenicity of clone founders (G1) in European seabass (Dicentrarchus labrax)
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Project description:The European sea bass, Dicentrarchus labrax overview
| PRJNA43381 | ENA
Project description:Transcriptomic profiling of egg quality in seabass (Dicentrarchus labrax)
| PRJNA329662 | ENA