Ontology highlight
ABSTRACT:
PROVIDER: PRJNA835315 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR19115629_1.fastq.gz | Fastqsanger.gz | |||
| SRR19115629_2.fastq.gz | Fastqsanger.gz | |||
| SRR19115630_1.fastq.gz | Fastqsanger.gz | |||
| SRR19115630_2.fastq.gz | Fastqsanger.gz | |||
| SRR19115631_1.fastq.gz | Fastqsanger.gz |
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Project description:Effect of High Temperature on Immune Response of Grass Carp (Ctenopharyngodon idellus) by Transcriptome Analysis
2016-03-16 | GSE79265 | GEO
Project description:Effect of High Temperature on Immune Response of Grass Carp (Ctenopharyngodon idellus) by Transcriptome Analysis To understand the immune response mechanisms of this fish in high temperature circumstance, the transcriptomic profiles of the spleens from grass carp groups undergoing heat stress and normal temperature were investigated.
2016-03-16 | E-GEOD-79265 | biostudies-arrayexpress
Project description:grass carp (Ctenopharyngodon idellus) _DNA_2bRAD_growth_QTL
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Project description:<p><strong>BACKGROUND:</strong> The ultra-high density intensive farming model of grass carp (Ctenopharyngodon idellus) may elicit inhibite the growth, decline flesh quality and disease resistance of fish. The quality degradation and excessive fat accumulation in cultured C. idellus have long been attributed to possible alterations in the lipid metabolism of fish muscle tissues as a result of over-nutrition from artificial diets. To investigate the effects of different diets on fish muscle quality, a large-scale metabolomics study was performed on 200 tails of C. idellus. </p><p><strong>FINDINGS:</strong> The experimental fish were divided into four test groups based on sex and diets - female artificial feed (FAF), female grass feed (FGF), male artificial feed (MAF) and male grass feed (MGF). After a 4-month rearing period, the AF group showed significantly higher total mass of muscle fat (P < 0.01), with the FAF group being the highest. Metabolomics profiling based on liquid chromatography-mass spectrometry (LC-MS) revealed distinctive patterns of clustering according to the four groups. Overall, artificial feeding was associated with higher concentrations of docosapentaenoic acid (DPA), dihomo-gamma-linolenic acid (DGLA) and arachidonic acid (ARA); whereas grass-feeding was associated with elevated n-3 unsaturated fatty acids (n-3 UFAs), such as eicosapentaenoic acid (EPA), alpha-linolenic acid (ALA) and gamma-linolenic acid (GLA). Some sex-specific markers, such as docosahexaenoic acid (DHA) was only found in male samples, with higher levels in the MAF group. Metabolic pathway analyses using both targeted (MetaboAnalyst) and untargeted (mummichog) approaches consistently revealed that the arachidonic acid metabolism and steroid hormone biosynthesis pathways are significantly different between AF and GF groups. </p><p><strong>CONCLUSIONS:</strong> Our results suggested that grass is a better source of diet fatty acid and protein when compared to artificial feed, because it could effectively lower triglycerides in serum, reduce fat accumulation and alter lipid compositions in fish muscle by increasing the concentrations of n-3 UFAs, leading to better nutrition and health.</p>
2018-08-17 | MTBLS673 | MetaboLights
Project description:the re-sequence reads of Grass carp (Ctenopharyngodon idellus)
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Project description:Purpose:Salinity is an important environmental factor that affects the physiological activities of fish. The goals of this study are investigating the effect of different saline-alkali stress on grass carp (Ctenopharyngodon idella). Methods: Grass carp individuals, averaging 12 cm in body length, were obtained from Duofu fish farm (Wuhan, China) and cultured at recirculating aquaculture system for 2 weeks before the experiment began. For the challenge, all grass carp were randomly divided into three groups, and then cultured at saline-alkali water with the concentration of 0, 3‰ and 6‰. After 30 days, some grass crap cultured at 3‰ and 6‰ saline-alkali water were injured. At the same time, gill samples of grass carp were collected from 0, 3‰ (grass carp was not injured), 3‰ (grass carp was injured), 6‰ (grass carp was not injured) and 6‰ (grass carp was injured)saline-alkali groups. Total RNA of all samples was isolated using TRIzol® Reagent (Invitrogen) according to the manufacturer's introduction. RNA integrity was assessed using an Agilent 2100 bioanalyzer (Agilent, USA). Samples with RNA integrity numbers (RINs) ≥ 7.5 were subjected to cDNA library construction using TruseqTM RNA sample prep Kit (Illumina). Results:A total of 15 were processed for transcriptome sequencing, generating 94.99Gb Clean Data. At least 5.76Gb clean data were generated for each sample with minimum 91.87% of clean data achieved quality score of Q30. Clean reads of each sample were mapped to specified reference genome. Mapping ratio ranged from 88.59% to 92.84%. The expression of genes was quantified and differentially expressed genes were identified based on their expression.Criteria for differentially expressed genes was set as Fold Change(FC)≥1.5 and Pvalue<0.05. Fold change(FC) refers to the ratio of gene expression in two samples. These DEGs were further processed for functional annotation and enrichment analysis. Conclusions: Our study represents Effects and molecular regulation mechanisms of saline-alkali stress on the healthy grass carp by using RNA-seqtechnology. Our results show that saline-alkali stress will impair the immune system of grass carp.
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Project description:MeDIP-seq of Ctenopharyngodon idellus kidney cells after GCRV infected 8 hours.
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