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Expression profiles in two early developmental stages of Sparus aurata

ABSTRACT: Two different early developmental stages of gilthead sea bream: i) larvae at 24 hours post-hatching ( Stage 1), and ii) larvae at 96 hours post-hatching (Stage 4), were used for gene expression analysis. For each stage, total RNA was extracted from five (5) independent biological replicates, each consisting of pools of approximately 40-50 larvae. Based on SAM analysis, 1518 genes were differentially expressed between the two stages with a FDR (False Discovery Rate) of 0.0.

ORGANISM(S): Sparus aurata

PROVIDER: GSE12116 | GEO | 2009/02/20

SECONDARY ACCESSION(S): PRJNA113517

REPOSITORIES: GEO

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Expression profiles in two early developmental stages of Sparus aurata

Project description:Two different early developmental stages of gilthead sea bream: i) larvae at 24 hours post-hatching ( Stage 1), and ii) larvae at 96 hours post-hatching (Stage 4), were used for gene expression analysis. For each stage, total RNA was extracted from five (5) independent biological replicates, each consisting of pools of approximately 40-50 larvae. Based on SAM analysis, 1518 genes were differentially expressed between the two stages with a FDR (False Discovery Rate) of 0.0. In this study, we analyzed the gene expression profiles of two early developmental stages of gilthead sea bream using Agilent-016251 Sparus aurata Oligo Microarray platform (10 arrays, no replicate) based on single-colour detection (Cyanine-3 only). Microarrays are 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 are scanned twice at two different sensitivity settings (XDRHi 100% and XDRLo 10%); the scanner software creates a unique ID for each pair of XDR scans and saves it to both scan image files. Feature Extraction 9.5 uses XDR ID to link the pairs of scans together automatically when extracting data. The signal left after all the FE processing steps have been completed is ProcessedSignal that contains the Multiplicatively Detrended, Background-Subtracted Signal .

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