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ABSTRACT: Transcriptome reveals the effect of crossbreeding Mongolian and Holstein cattle with Simmental cattle on organismal metabolism

PROVIDER: PRJNA1059045 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR27410229_1.fastq.gz	Fastqsanger.gz
	SRR27410229_2.fastq.gz	Fastqsanger.gz
	SRR27410230_1.fastq.gz	Fastqsanger.gz
	SRR27410230_2.fastq.gz	Fastqsanger.gz
	SRR27410231_1.fastq.gz	Fastqsanger.gz

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Transcriptome profiling of the intramuscular fat content in Longissimus dorsi between Angus and Chinese Simmental cattle

Project description:The intramuscular fat (IMF) content of different beef cattle breeds varies greatly, which plays an important role in taste and nutritional value. However, the molecular mechanism of fat metabolism and deposition in beef cattle is still not very clear. In this study, the meat quality traits of Angus cattle and Chinese Simmental cattle were compared, the transcriptome of the longissimus dorsi muscle (LD) between Angus cattle and Chinese Simmental cattle was then analyzed to identify key genes related to fat metabolism and adipogenesis by high-throughput RNA-seq technology. In the current study conducted a comprehensive analysis on the transcriptome of the longissimus dorsi muscle (LD) of Angus and Simmental cattle, and identified differentially expressed genes related to lipid metabolism，which may have a great impact on on the formation of IMF.

2022-04-30 | GSE171876 | GEO

Single-cell Analysis of Adipose Tissues Revealed the Potential Cellular and Molecular Mechanism of Cold and Disease Resistance in Mongolian Cattle

Project description:Adipose tissue plays essential roles in adapting to harsh environmental conditions in Mongolian cattle. To dig out the cellular and molecular mechanism of adipose tissue taking part in the tolerance of rough feeding, cold temperature and disease of Mongolian cattle, here, we applied single-nucleus RNA-seq to map the landscape of cell types and profiles of transcriptome of adipose tissues at different anatomical depots at single-nucleus resolution. The entire adipogenic trajectory from preadipocyte commitment to mature adipocytes was analyzed. The results showed that the existence of different adipocyte subpopulations at subcutaneous, perirenal and greater omentum for which acting as a storage depot for body energy to protect vital organs and to insulate the body against heat loss.The interaction between macrophages and adipocytes and as an endocrine and immunologically active organ to regulate systemic energy and metabolism homeostasis and to modulate T cell activity and subsequent adipose tissue inflammation through antigen presentation of adipocytes to T cells.The data provide a powerful resource for future hypothesis-driven investigations of the mechanisms of adipocyte differentiation and adipose tissue plasticity.

2024-06-02 | GSE264101 | GEO

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

Project description:Background: Transcriptomic variation among cattle breeds and their crossbreds may help to better understanding of consequences of crossbreeding and heterosis. In this study the differences in biological functions and pathways of three crossbreds including 50 and 75 percent Holstein were compared with their purebred parents, Holstein and Taleshi (an indigenous breed) cattle. Results: Five populations and their ten comparisons were studied by bioinformatics tools for transcriptome analysis. We pooled blood RNA of at least 8 animals of each population prior to RNA sequencing. The obtained results showed that total expressed transcripts in all populations were 72,812 with 22,627 annotated genes. Functional analysis of differentially expressed genes (DEGs) showed that the genetics information processing and metabolism were the most highly-impacted pathways. Among all significantly enriched pathways, eukaryotic translation initiation factor-2 signaling had the highest activation z-score (5.3) in crossbred compared to purebred cattle. The majority of upstream regulators of genes including transcription regulators and cytokines were differentially expressed among populations in which their activation z-score in purebred was more than crossbred cattle. Conclusions: Crossing of Holstein with Taleshi breed resulted in higher activity of pathways related to genetic information processing and lower activity of pathways related to immunity and inflammatory responses. To the best of our knowledge, this is the first study where the differences in pathways and functions were studied using high throughput sequencing of blood in a cattle crossbreeding program. The analysis revealed that the most important differences between studied genotypes, especially between purebred and crossbred cattle, were related to immune functions and metabolism.

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Project description:miRNA profiling of bovine satellite cells (BSC) differentiated into myotubes (6th day of in vitro differentiation). BSC isolated from m. semitendinosus of beef (Hereford & Limousine) and dairy (Holstein-Friesian) cattle. Goal was to determine differences in miRNA expresion during in vitro myogenesis in beef vs dairy cattle used as a control.

2018-01-27 | GSE73778 | GEO

Transcription profiling of Bos taurus white blood cells from Brahman and Holstein-Friesian cattle infested with the cattle tick Rhipicephalus microplus

Project description:This trial was undertaken to examine the perhipheral cellular and antibody response of cattle following infestation with the cattle tick, Rhipicephalus microplus. The information from the Affymetrix gene expression data is used to complement other measurements of immune function such as cellular subset composition and antibody response in cattle of high (Brahman) and low (Holstein-Friesian) resistance to the cattle tick. Experiment Overall Design: RNA was extracted from white blood cells during a period of successive, heavy infestations with R. microplus. RNA samples from 3 Holstein-Friesian and 3 Brahman animals were analysed on individual slides.

2009-01-13 | E-GEOD-13725 | biostudies-arrayexpress

Transcription profiling of Bos taurus skin of tick naive and tick-infested Holstein-Friesian and Brahman breeds

Project description:This experiment was undertaken to document changes in gene expression in the skin of tick-resistant Brahman (Bos indicus) and tick-susceptible Holstein-Friesian (Bos taurus) cattle prior to, and following, infestation with the cattle tick Rhipicephalus (Boophilus) microplus Experiment Overall Design: RNA was extracted from skin samples of tick-naÃ¯ve cattle (animals with no previous R.microplus exposure) and tick-infested cattle after a period of successive, heavy infestations with R. microplus. Skin samples taken from tick-infested animals were taken at sites where tick larvae (approximately 24 h old) were attached to the skin sample. Skin samples were of 8 mm diameter and full skin thickness (approximately 10 mm). RNA samples from 12 animals (3 tick-naive Holstein-Friesian, 3 tick-naive Brahman, 3 tick-infested Holstein-Friesian and 3 tick-infested Brahman) were processed and hybridised to individual slides.

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