Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1229100 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR32540700.fastq.gz | Fastqsanger.gz | |||
| SRR32540701.fastq.gz | Fastqsanger.gz | |||
| SRR32540702.fastq.gz | Fastqsanger.gz | |||
| SRR32540703.fastq.gz | Fastqsanger.gz | |||
| SRR32540704.fastq.gz | Fastqsanger.gz |
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Project description:Domestication of pig results in modifications of many traits, including fatness traits, which are important in pig production since they have effect on meat quality, fattening efficiency, reproduction and immunity.In this study, we investigate 3D genome organization and transcriptomic characterization of adipose tissues (ATs) between wild boars and Bama pig, a typical indigenous domestic pig in China, to uncover molecular mechanisms of fatness-phenotypic shifts.
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Project description:Pig brains are valuable models for studying brain diseases due to their structural similarities to human brains. However, understanding the regulatory mechanisms in pig brains is challenging due to cellular heterogeneity. This study aimed to investigate the heterogeneity of pig brains and uncover the underlying regulatory mechanisms at single-cell resolution. We created the first single-cell chromatin accessibility atlas of the cerebral cortex and cerebellum in domestic pigs and wild boars using single-cell ATAC-seq (scATAC-seq). We profiled 71,798 cells, identifying nine cell types, and integrated single-cell RNA sequencing (scRNA-seq) data to characterize cell type-specific regulatory landscapes and oligodendrocyte development. Our analysis revealed that oligodendrocyte progenitor cells exhibit the fastest evolutionary rate between domestic pigs and wild boars. Additionally, cross-species comparison showed that pig regulatory elements are more conserved with humans than those in mice. Notably, genetic variant enrichment studies found that regulatory elements associated with Alzheimer’s disease were significantly enriched in pigs but not in mice, suggesting pigs as a potentially superior model for this condition. Conversely, neurological diseases like schizophrenia and bipolar disorder showed higher enrichment in mice.
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Project description:Brucella suis infects macrophages and dendritic cells. Wild boars act as reservoirs and carriers of Brucella suis biovar 2, and there is evidence that wild boar can be the main source of infection for domestic pigs through the venereal route. Transmission through this route could be an important path for disesease dissemination. The result from this study will contribute to the overall understanding of the molecular pathogenic mechanisms involved during Brucella suis infection in European wild boar.
2009-09-29 | GSE17492 | GEO
Project description:Domestication caused significant differences in morphology and behavior between wild and domestic animals, and gene expression changes played an important role in this event. circRNA is a class of non-coding RNA that exerts a wide range of functions in biological processes through the regulation of gene expression. However, the regulatory role of circRNA in the process of domestication is still unclear. Here, we analyzed circRNA expression patterns in the prefrontal cortices of wild boar and domestic pig to determine the potential role of circRNAs in domestication. We identified a total of 11,375 circRNAs and found that 349 and 354 circRNAs were up-regulated in wild boar and Rongchang pig, respectively. This study lays the groundwork for exploring the regulatory role of circRNA in the process of domestication and provides new insights that contribute to further investigation of the molecular mechanism of pig domestication.
2022-08-29 | GSE199237 | GEO
Project description:Purpose: The goal of this study was to perform a transcriptome-wide analysis of variation in brain gene expression between domesticated pig and wild boars using illumina sequencing strategy. Methods: Brain mRNA profiles of wild boars and Rongchang pigs were generated by deep sequencing, in triplicate, using Illumina Hiseq2000. The sequence reads that passed quality filters were analyzed at the transcript isoform level with TopHat followed by Cufflinks. qRT–PCR validation was performed using TaqMan and SYBR Green assays Results: We identified 808 widely-expressed conserved and 697 species-specific novel miRNAs in two species. In addition, although two organs showed similar high expression miRNAs, larger differentiation was present in lung than heart between two species. In addition, miRNAs with significantly differentiated patterns of expression in two organs exhibited obvious co-operation effect in high altitude adaptation in form of miRNA family and cluster. Functional analysis revealed that a large amount of differentially expressed miRNAs were enriched in hypoxia-related pathways, such as VEGF signaling pathway, HIF-1α signaling pathway, insulin signaling pathway, DNA damage response, apoptosis, fatty acid metabolism and glucose metabolism. These results suggested the diverse degrees of epigenetic variation in different tissues between yak and cattle, and revealed extensive roles of miRNAs in high altitude adaptation. Conclusions: First, we totally identified 20,805 genes in two groups, of which 18,904 in wild boar and 17,980 in Rongchang pigs, respectively. Second, we detected substantial variation in expression profiles between wild boar and Rongchang pig, including substantial wild boar/Rongchang specifically expressed genes and differentially expressed genes. The functional enrichment analysis revealed immune response was enriched for genes upregulated in wild boars. Finally, we compared our results against previous study and identified seven genes that were associated with domestication.The work performed here will provide a typical demonstration for future deciphering the mechanism of pig domestication.
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2009-07-03 | GSE16897 | GEO
Project description:Domestication has produced faster-growing strains of animals for use in agriculture, but selection has been applied with little knowledge of the underlying genetic changes that arose throughout the process. Mammals and birds have been domesticated for thousands of years whereas fish have been domesticated only recently; therefore, wild progenitor strains remain for comparison. Rainbow trout (Oncorhynchus mykiss) have undergone intensive selection and domesticated strains grow more rapidly than extant wild strains. To assess physiological pathways altered by domestication, whole-genome mRNA expression was measured in brain, muscle and liver of size-matched domestic and wild trout using a 16K (cGRASP) salmonid microarray. A large number of genes differed between strains, ranging from 3% of genes in brain to 9% in muscle. Domestic fish had more down-regulated genes in the brain relative to wild fish, whereas more genes were up-regulated in domestic liver and muscle. Relative to wild fish, there was a down-regulation of cell division and an up-regulation of structural genes in the brain of domestic fish. In liver from domestic fish, there was an up-regulation of genes related to transport with a down-regulation of lipid binding. Analysis of the functional categories for muscle indicated that most pathways, including pathways related to metabolism and catabolism, were up-regulated in domestic fish. Comparison of these results to other genomic studies on transgenic, domestic and wild salmonids suggests that similar physiological pathways are altered systemically to support faster rates of growth, regardless of the underlying genetic alteration that has caused the altered growth.
2009-07-03 | GSE16889 | GEO
Project description:Domestication has produced faster-growing strains of animals for use in agriculture, but selection has been applied with little knowledge of the underlying genetic changes that arose throughout the process. Mammals and birds have been domesticated for thousands of years whereas fish have been domesticated only recently; therefore, wild progenitor strains remain for comparison. Rainbow trout (Oncorhynchus mykiss) have undergone intensive selection and domesticated strains grow more rapidly than extant wild strains. To assess physiological pathways altered by domestication, whole-genome mRNA expression was measured in brain, muscle and liver of size-matched domestic and wild trout using a 16K (cGRASP) salmonid microarray. A large number of genes differed between strains, ranging from 3% of genes in brain to 9% in muscle. Domestic fish had more down-regulated genes in the brain relative to wild fish, whereas more genes were up-regulated in domestic liver and muscle. Relative to wild fish, there was a down-regulation of cell division and an up-regulation of structural genes in the brain of domestic fish. In liver from domestic fish, there was an up-regulation of genes related to transport with a down-regulation of lipid binding. Analysis of the functional categories for muscle indicated that most pathways, including pathways related to metabolism and catabolism, were up-regulated in domestic fish. Comparison of these results to other genomic studies on transgenic, domestic and wild salmonids suggests that similar physiological pathways are altered systemically to support faster rates of growth, regardless of the underlying genetic alteration that has caused the altered growth.
2009-07-03 | GSE16901 | GEO