Ontology highlight
ABSTRACT:
PROVIDER: PRJNA579994 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR10358733.fastq.gz | Fastqsanger.gz | |||
| SRR10358734.fastq.gz | Fastqsanger.gz | |||
| SRR10358735.fastq.gz | Fastqsanger.gz | |||
| SRR10358736.fastq.gz | Fastqsanger.gz | |||
| SRR10358737.fastq.gz | Fastqsanger.gz |
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Project description:Optimization of broiler chicken breast muscle protein accretion is key for the efficient production of poultry meat, whose demand is steadily increasing. In a context where antimicrobial growth promoters use is being restricted, it is important to find alternatives as well as to characterize the effect of immunological stress on broiler chicken growth. Despite of its importance, research on broiler chicken muscle protein dynamics has been mostly limited to the study of mixed protein turnover. The present study aims to characterize the effect of a bacterial challenge and the feed supplementation of a citrus and a cucumber extract on broiler chicken individual breast muscle proteins fractional synthesis rates (FSR) using a recently developed dynamic proteomics pipeline. 21 day-old broiler chickens were administered a single 2H2O dose before being culled at different timepoints. A total of 60 breast muscle protein extracts from five experimental groups (Unchallenged, Challenged, Control Diet, Diet 1 and Diet 2) were analyzed using a DDA proteomics approach. Proteomics data was filtered in order to reliably calculate multiple proteins FSR making use of a newly developed bioinformatics pipeline. Broiler breast muscle proteins FSR uniformly decreased following a bacterial challenge, this change was judged significant for 15 individual proteins, the two major functional clusters identified as well as for mixed breast muscle protein. Citrus or cucumber extract feed supplementation did not show any effect on the breast muscle protein FSR of immunologically challenged broilers. The present study has identified potential predictive markers of breast muscle growth and provided new information on broiler chicken breast muscle protein turnover which could be essential for improving the efficiency of broiler chicken meat production.
2024-04-04 | PXD044325 | Pride
Project description:A 30-day nutritional trial in broiler chickens (Ross 308) was conducted to investigate how specific forms of vitamin E (α- and γ-tocopherol) and their combination impact liver gene expression when oxidative susceptibility of the organism is induced by high n-3 polyunsaturated fatty acids (PUFA) intake. Thirty-six one-day-old male broilers were fed a diet enriched with 5 % linseed oil to induce oxidative susceptibility. Beside negative (N) and positive (P) control group, experimental groups were supplemented with either: 67 mg/kg RRR-α-tocopherol (A), 67 mg/kg RRR-γ-tocopherol (G) or with combination of 33.5 mg/kg of each tocopherol (S). Whole chicken genome microarray analysis was performed on liver RNA and selected differentially expressed genes were confirmed by qRT-PCR.
2017-02-28 | E-MTAB-4507 | biostudies-arrayexpress
Project description:As an essential micronutrient for animals, vitamin E plays crucial physiological roles in reproduction, antioxidant and immune functions, and lipid metabolism. The objective of this study was to reveal molecular mechanism of vitamin E on intramuscular fat (IMF) deposition through transcriptome sequencing of pectoral muscle in broiler chickens. A total of 240 one-day-old health female chicks were randomly allocated into five dietary treatments with each treatment six replicates. The birds were fed basal diet supplemented with 0 and 100 IU/kg vitamin E in the form of DL-α-tocopheryl acetate, respectively. The body weight, carcass performance and IMF content were measured. Transcriptome profile of pectoral muscle in 35-day-old chickens were sequencing from the control and 100 IU/kg vitamin E treatment. Functional enrichment analyzes of differentially expressed genes (DEGs) based on Gene ontology (GO), KEGG pathway and bio function, and network were performed. Results shown that IMF content of broiler chickens were significantly increased at 12.89% (P < 0.05) between 100 IU/kg vitamin E treatment and control. Transcriptome sequencing results for pectoralis major muscle of 100 IU vitamin E-supplemented and the control groups identified 57 up-regulated and 102 down-regulated DEGs. These DEGs were significantly enriched (FDR corrected P-value < 0.05) in 13 of 236 GO terms involved in muscle development- and lipid metabolism. Pathway functional enrichment analysis revealed that the DEGs were significantly enriched in three signalling pathways (FDR corrected P-value < 0.05). Two of them, MAPK signaling pathway and FoxO signaling pathway, play key roles in muscular and lipid metabolism. It is worth mentioning that 46 DEGs were significantly enriched in 28 skeletal and muscular system development and function categories and 31 DEGs were significantly enriched in 17 lipid metabolism function categories. Moreover, three lipid metabolism and muscular development-related networks of DEGs were also identified. These DEGEs, pathways, function categories and networks identified in this study provide us new insights for the vitamin E regulation of the IMF deposition in broiler chickens.
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2012-06-21 | E-GEOD-35581 | biostudies-arrayexpress
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