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Bos taurus

ABSTRACT: The exploration of pregnancy-specific genes expressed in the extra uterine tissues in cattle for early pregnancy diagnosis

PROVIDER: PRJDB6759 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	DRR125085.fastq.gz	Fastqsanger.gz
	DRR125086.fastq.gz	Fastqsanger.gz
	DRR125087.fastq.gz	Fastqsanger.gz
	DRR125088.fastq.gz	Fastqsanger.gz
	DRR125089.fastq.gz	Fastqsanger.gz

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Rewiring of gene expression in PWBC at artificial insemination is predictive of pregnancy outcome in cattle (Bos taurus)

Project description:Infertility is a disease that affects humans and cattle in similar ways. The resemblance includes complex genetic architecture, multiple etiology, low heritability of fertility related traits in females, and the frequency in the female population. Here, we used cattle as a biomedical model to test the hypothesis that gene expression profiles of protein-coding genes expressed in peripheral white blood cells (PWBCs), and circulating micro RNAs in plasma, are associated with female fertility, measured by pregnancy outcome. We drew blood samples from 17 female calves on the day of artificial insemination and analyzed transcript abundance for 10496 genes in PWBCs and 290 circulating micro RNAs. The females were later classified as pregnant to artificial insemination, pregnant to natural breeding or not pregnant. We identified 1860 genes producing significant differential coexpression (eFDR<0.002) based on pregnancy outcome. Additionally, 237 micro RNAs and 2274 genes in PWBCs presented differential coexpression based on pregnancy outcome. Furthermore, using a machine learning prediction algorithm we detected a subset of genes whose abundance could be used for blind categorization of pregnancy outcome. Our results provide strong evidence that bloodborne transcript abundance is highly associated with fertility in females.

2020-02-28 | GSE146041 | GEO

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Project description:Identification of Beef Heifers with Superior Uterine Capacity for Pregnancy

| PRJNA321608 | ENA

Transcriptome profiling and Co-expression networks of longissimus dorsi muscle in Gayal（Bos frontalis）and Banna cattle（Bos taurus） with different beef qualities

Project description:The Gayal (Bos frontalis) is a rare semi-domesticated cattle in China. Gayal has typical beef body shape and good meat production performance. Compared with other cattle species, it has the characteristics of tender meat and extremely low fat content. To explore the underlying mechanism responsible for the differences of meat quality between different breeds, the longissimus dorsi muscle (LM) from Gayal and Banna cattle (Bos taurus) were investigated using transcriptome analysis. The gene expression profiling identified 638 differentially expressed genes (DEGs) between LM muscles from Gayal and Banna cattle. Gene Ontology (GO) enrichment of biological functions and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis showed that the gene products were mainly involved in the PPAR signaling pathway, lipid metabolism and amino acid metabolism pathway. Protein-protein interaction（PPI） network analysis showed APOB, CYP7A1, THBS2, ITGAV, IGFBP1 and IGF2R may have great impact on meat quality characteristics of Gayal. Moreover, three transcription factors, FOXA2, NEUROG2, and RUNX1, which may affect meat quality by regulating the expression of genes related to muscle growth and development have also been found. In summary, our research reveals the molecular mechanisms that cause Gayal meat quality characteristics. It will contribute to improving meat quality of cattle through molecular breeding.

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Project description:Effects of pregnancy and progesterone supplementation on endometrial gene expression in cattle

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Project description:RNA-seq analysis of uterine endometrial cells from cattle raised in hot and normal environment

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Project description:Comparison of crossbred and purebred cattle by bioinformatics analysis of differentially expressed transcripts

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