Ontology highlight
ABSTRACT:
PROVIDER: PRJEB83454 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| Group1.vcf.csi | Other | |||
| Group1.vcf.gz | Vcf | |||
| Group2.vcf.csi | Other | |||
| Group2.vcf.gz | Vcf |
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Project description:This project focuses on the integrative genomic analysis of Yorkshire pigs, aiming to identify shared loci associated with both reproductive and productive traits. By leveraging genomic data, we seek to uncover genetic factors that influence key characteristics in this breed, enhancing breeding strategies and improving overall productivity. The findings from this study are expected to contribute valuable insights into the genetic basis of traits critical for livestock improvement.
2024-12-17 | PRJEB83454 | EVA
Project description:Porcine reproductive and respiratory syndrome caused by porcine reproductive and respiratory syndrome virus (PRRSV) is an infectious disease characterized by severe reproductive deficiency in pregnant sows, respiratory symptoms in piglets, and high mortality. In this study, we employed Affymetrix microarray chip technology to compare the gene expression profiles of lung tissue samples from Dapulian (DPL) pigs (a Chinese indigenous pig breed) and Duroc×Landrace×Yorkshire (DLY) pigs after infection with PRRSV. During infection with PRRSV, the DLY pigs exhibited the range of clinical features that typify the disease, while the DPL pigs exhibited only mild signs of the disease. The percentage of CD8+ T cells in the DPL pigs was significantly higher than that in the DLY pigs at 21 days post-infection (dpi) (p< 0.05). Interleukin (IL) 1 beta (IL-1β) and IL-2 levels showed significant differences between the DPL and DLY pigs at 0 and 7 dpi (p< 0.01). For IL-10, the DLY pigs had significantly higher values than the DPL pigs at 0 and 7 dpi (p< 0.01). Significant differences were apparent between the DPL and DLY pigs in terms of their tumor necrosis factor-alpha (TNF-α) and interferon (IFN)-gamma (IFN-γ) levels at 0 and 7 dpi (p< 0.01). Microarray data revealed 16 differentially expressed genes in the lung tissue samples from the DLY and DPL pigs (q≤5%), of which LOC100516029 and LOC100523005 were up-regulated in the PRRSV-infected DPL pigs, while the other 14 genes were down-regulated in the PRRSV-infected DPL pigs compared with the PRRSV-infected DLY pigs. The expression levels of 10 of the 16 genes, namely CCDC84, C6ORF52, THYMOSIN, PRVE, HSPCB, CYP2J2, AMPD3, TOR1AIP2, PTGES3, and ACOX3, were validated by real-time quantitative RT-PCR. This study provides a platform for further investigation of the molecular mechanisms underlying the differential immune responses to PRRSV infection in different breeds or lines of pig. We investigated the response of lung tissues from Dapulian (DPL) pigs (a Chinese indigenous pig breed) and Duroc×Landrace×Yorkshire (DLY) pigs infected with porcine reproductive and respiratory syndrome virus (strain JXA1) by using the Affymetrix Porcine Genome Array.
2013-07-30 | GSE49306 | GEO
Project description:RNA-seq data of endometrium from Yorkshire pigs
2020-06-16 | GSE141564 | GEO
Project description:Genetic linkage analyses in rodents have unveiled numerous genomic loci contributing to a diverse array of traits, such as susceptibility to addictive behaviors and hypertension. To investigate the genetic basis of trait variation in rodents, genetic reference populations, such as the HXB/BXH recombinant inbred (RI) rat panel, have been extensively utilized. The HXB/BXH panel serves as a well-established rat model to dissect genetic variants that modulate metabolic and cardiovascular diseases. The panel has accumulated a wealth of comprehensive genotypic data, transcriptomic profiles, and phenotypic data, enabling integrative analyses to understand the pathway from genomic loci to traits. The parental strains of the HXB/BXH rat panel, SHR/OlaIpcv (SHR) and BN-Lx/Cub (BN-Lx) strains, have been completely sequenced, and sequence variants between them have been well-defined. Integrating genomics, transcriptomics, and proteomics data from these two inbred strains, have successfully identified splice events, genetic variants, and RNA editing. However, there remains a lack of proteome-wide profiling across all 30 HXB/BXH RI strains, and the genetic regulation of protein expression remains largely unexplored.
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Project description:To characterize the mechanism of porcine skeletal muscle development, transcriptome analysis of longissimus dorsi muscle between Shaziling and Yorkshire pig breeds Three male Shaziling pigs and three male Yorkshire pigs from two full-sibs families at 25-days old were slaughtered
2016-06-23 | E-GEOD-70673 | biostudies-arrayexpress
Project description:BACKGROUND: Litter size in pigs is a major factor affecting the profitability in the pig industry. The peri-implantation window in pigs is characterized by the coordinated interactions between the maternal uterine endometrium and the rapidly elongating conceptuses and represents a period of time during which a large percentage of the developing conceptuses are lost. However, the gene expression and regulatory networks in the endometrium contributing to the establishment of the maternal: placental interface remain poorly understood. RESULTS: We characterized the endometrial gene expression profile during the peri-implantation stage of development by comparing two breeds that demonstrate very different reproductive efficiencies. We employed the porcine Affymetrix GeneChip® to assay the transcriptomic profiles of genes expressed in the uterine endometrium obtained from Meishan and Yorkshire gilts (n = 4 for each breed) on day 12 of gestation (M12 and Y12, respectively). Total of 17,076 probesets were identified as "present" in at least two arrays. A mixed model-based statistical analysis predicted a total of 2,656 (q < 0.1) transcripts as differentially expressed between Meishan and Yorkshire pigs. Eighteen differentially expressed transcripts of interest were validated by quantitative real-time PCR. Gene ontology (GO) annotation revealed that the known functions of the differentially expressed genes were involved in a series of important biological processes relevant to early pregnancy establishment in the pig. CONCLUSIONS: The results identified endometrial gene expression profiles of two breeds differing in litter size and identified candidate genes that are related to known physiological pathways related to reproductive prolificacy. These findings provide a deeper understanding of molecular pathways differing between two breeds at the critical peri-implantation stage of pregnancy, which can be utilized to better understand the events contributing to pregnancy establishment in the pig. Meishan and Yorkshire breeds endometirum were selected and RNA been extracted and hybridized to the Affymetrix microarray. A number of genes have been shown differently expressed on two breeds.
2014-05-21 | E-GEOD-46332 | biostudies-arrayexpress
Project description:Based on the work flow of quantitative proteomic analysis combined with TMT labeling and liquid chromatography-tandem mass spectrometry (LC-MS/MS), this study carried out quantitative proteomic analysis on the liver tissues of Tibetan pigs and Yorkshire pigs in Shannan (about 4000 m), Linzhi (about 3000 m) and Jiuzhaigou (about 1500 m), and compared the differences of protein mass spectra between the liver of living pigs at three altitudes.
2023-03-11 | PXD039758 | Pride
Project description:The aim of this study was to identify differentially expressed genes and pathways in longissimus dorsi (LD) of pigs at 40 and 70 d of gestation (stages encompassing the transition from primary to secondary fiber formation) in U.S. commercial crossbred pigs (Yorkshire x Landrace) and Brazilian native Piau pigs. We confirmed the expression patterns for a subset of genes by qRT-PCR. Pathway analysis revealed functionally related genes, and indicated commonalities and differences between the breed types and developmental ages evaluated. Results from qRT-PCR analysis confirmed the expression patterns observed on the array for most of the genes tested (85%). This study reveals transcriptional profiles in LD at 40 and 70 d gestation for commercial and Piau pigs, which helps elucidate phenotypic differences between these breed types.
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Project description:Postweaning multisystemic wasting syndrome in pigs has devastated the swine industry since the 1990s. Porcine circovirus type 2 (PCV2) is the primary cause of this disease. MicroRNAs (miRNAs) are small noncoding RNAs that play important roles in regulating gene expression, especially at the post-transcription level. The expression profiles of miRNAs have been reported in porcine reproductive and respiratory syndrome, porcine parvovirus, and other pig diseases; however, the miRNA expression profiles in pigs infected with PCV2 have not been reported so far. The Laiwu pig (a Chinese indigenous pig breed) has different meat quality, adipogenesis, and disease-resistance from western commercial pig breeds. In this study, four small RNA libraries were constructed from the lung tissue of uninfected and infected Laiwu and Yorkshire/Landrace crossbred (YL) pigs. High-throughput sequencing and bioinformatics were used to determine the abundance and differential expression of miRNAs in the four libraries
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