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ABSTRACT: sheep cecum transcriptome

PROVIDER: PRJNA1183562 | ENA |

REPOSITORIES: ENA

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Dataset's files

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			Action	DRS
	SRR31302621_1.fastq.gz	Fastqsanger.gz
	SRR31302621_2.fastq.gz	Fastqsanger.gz
	SRR31302622_1.fastq.gz	Fastqsanger.gz
	SRR31302622_2.fastq.gz	Fastqsanger.gz
	SRR31302623_1.fastq.gz	Fastqsanger.gz

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Project description:sheep cecum metagenome

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Identification and characterization of microRNAs in the intestinal tissues of sheep (Ovis aries)

Project description:Here, we analyzed and identified the miRNA expression profile of three different intestinal tissues (i.e., duodenum, cecum, and colon) of sheep (Ovis aries) using high-throughput sequencing and bioinformatic methods. In total, 128 known miRNAs were identified, 526 novel miRNAs were predicted, and 202 differentially expressed miRNAs were found between the different tissues. Additionally, 4,422 candidate target genes were predicted, and 185 non-redundant GO annotation terms were identified using enrichment analysis. A total of 529 target genes were found to participate in 37 KEGG biological pathways, and 270 of these genes were significantly enriched in the metabolism category.

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Project description:Tail fat in sheep (Ovis aries), has evolved mainly in response to cold weather for better energy storage. As things stand, too much tail fat in sheep can lead to a reduction in feed utilisation and is also unpopular with consumers due to the excessive fat content in the tail of sheep. Therefore, the need to find the mechanism of tail fat formation is obvious. In this study, we elected to utilise Kazakh sheep, prolific Suffolk sheep, and their hybrid F2 generation as research objects. Sheep transcriptome sequencing technology was employed to screen and explore target candidate genes related to sheep tail fat deposition. Comparison with RNA-seq data from fat-tailed and thin-tailed tissue, the LncRNA-mRNA-miRNA axis was identified as main functional pathway in the formation of fat in tail. Our results offer valuable insights into the fat deposition of sheep and provide a significant genomic resource for future genetic studies and the enhancement of genome-assisted breeding in sheep and other domestic animals.

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Project description:Using C57BL/J mice, we constructed a septic cecum ligation perforation model with altered survival after blocking A2aR. Therefore, we wished to observe the transcriptome changes in the spleen.

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Project description:To profile the expression of circulating microRNAs (miRNAs) of mice in experimental sepsis by cecal ligation and puncture (CLP), the whole blood samples were obtained from C57BL/6 mice at 4, 8, and 24 h following CLP for miRNA expression analysis using a miRNA array (The Mouse & Rat miRNA OneArray® v3). Briefly, mice were anesthetized with a combination of ketamine and xylazine as the anesthetic/analgesic agents and a midline abdominal incision was made. The cecum was mobilized, ligated in the middle of cecum below the ileocecal valve, punctured once with a 21 G needle, and a little stool was squeeze out of the cecum to induce polymicrobial peritonitis. The abdominal wall was closed in two layers. Sham-operated mice underwent the same procedure, including opening the peritoneum and exposing the bowel, but without ligation and needle perforation of the cecum.

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