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Porcine spleen_Streptococcus suis serotype 2 infected_3 days

ABSTRACT: Streptococcus suis serotype 2 (SS2), a major swine pathogen and an emerging zoonotic agent, has greatly challenged global public health. Systematical information about host immune response to the infection is important for understanding the molecular mechanism of diseases. Here, we investigated the global expression changes in spleen following SS2 infection using the Affymetrix Porcine Genechip. Our findings indicate previously unrecognized gene transcription changes in case of SS infection in vivo. Our data should provide new clues for immune response in mammals and identification of candidate genes related to SS resistance.

ORGANISM(S): Sus scrofa

PROVIDER: GSE23596 | GEO | 2010/11/24

SECONDARY ACCESSION(S): PRJNA131737

REPOSITORIES: GEO

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Porcine spleen_Streptococcus suis serotype 2 infected_3 days

Project description:Streptococcus suis serotype 2 (SS2), a major swine pathogen and an emerging zoonotic agent, has greatly challenged global public health. Systematical information about host immune response to the infection is important for understanding the molecular mechanism of diseases. Here, we investigated the global expression changes in spleen following SS2 infection using the Affymetrix Porcine Genechip. Our findings indicate previously unrecognized gene transcription changes in case of SS infection in vivo. Our data should provide new clues for immune response in mammals and identification of candidate genes related to SS resistance. All animal tissue collection procedures were performed according to protocols approved by The Hubei Province, PR China for Biological Studies Animal Care and Use Committee. Piglets at 35 days old were determined to be S.suis 2-free by antibody-based ELISA before artificial bacterial challenges. Each piglet was intranasally challenged with 2×106 colony-forming units (CFU) per millilitre of SS2 strain 05ZY or ΔHP0197. A total of 4 piglets were challenged with 05ZY, 4 were challenged with ΔHP0197, and 4 pigs were used as controls. These three groups were raised in isolated facilities. Nine microarrays were used in the experiment, corresponding to the RNAs from spleen tissues of piglets with arthritis after SS2 infection and spleen tissues of piglets with no clinical signs and three controls.

2010-11-24 | E-GEOD-23596 | biostudies-arrayexpress

investigation of the pathogenesis of H1N1 influenza virus and swine streptococcus suis serotype 2 co-infection in pigs by microarray analysis

Project description:Swine H1N1 influenza virus and streptococcus suis serotype 2 (SS2) are two important contributors to the porcine respiratory disease complex, which have significant economic impacts. Clinically, swine influenza virus and swine streptococcus suis co-infection is common, which will increase the mortality. However, the pathogenesis of the co-infection remains largely unkown. To explore it, gene expression profiling was to performed to detect comprehensive analysis of the global host response induced by H1N1 virus infection alone, SS2 infection alone, H1N1-SS2 co-infection and PBS control.

2016-09-10 | GSE60172 | GEO

Mutation Mapping of Streptococcus suis serotype 2 strains

Project description:Streptococcus suis serotype 2 (SS2), an important zoonotic agent, is notorious for causing contagious porcine diseases and human infection. The two outbreaks in China (in 1998 and in 2005) have caused serious economic losses in the pig industry and posed public health for its new toxin shock symptoms (TSS). However, the molecular mechanism of SS2 pathogenicity is still poorly understood. In order to get insights into pathogenecity of SS2, eighteen SS2 strains of different virulence and sources have been subjected to whole genome comparison by NimbleGen CGS arrays

2009-08-29 | GSE17868 | GEO

Mutation Mapping of Streptococcus suis serotype 2 strains

2009-08-29 | E-GEOD-17868 | biostudies-arrayexpress

Screening of Streptococcus Suis serotype 2 resistance genes with GWAS and transcriptomic microarray analysis (mRNA)

Project description:Swine streptococcosis has caused great economic loss in the swine industry, and the major pathogen responsible for this disease is Streptococcus Suis serotype 2 (SS2). Disease resistance breeding is a fundamental way of resolving this problem. With the development of GWAS and transcriptomic microarray technology, we now have powerful research tools to identify SS2 resistance genes. In this research, we generated an F2 generation of SS2 resistant C57BL/6 and SS2 susceptive A/J mice. With the F2 generation of these two mice strains and GWAS analysis, we identified 286 significant mouse genome SNPs sites associated with the SS2 resistance trait. Gene expression profiles for C57BL/6 and A/J were analyzed under SS2 infection pressure by microarray. In total, 251 differentially expressed genes were identified between these two mouse strains during SS2 infection. After combining the GWAS and gene expression profile data, we located two genes that were significantly associated with SS2 resistance, which were the UBA domain containing 1 gene (Ubac1) and Epsin 1 gene (Epn 1). GO classification and over-representation analysis revealed nine up-regulated related to immune function, which could potentially be involved in the C57BL/6 SS2 resistance trait. This is the first study to use both SNP chip and gene express profile chip for SS2 resistance gene identification in mouse, and these results will contribute to Swine SS2 resistance breeding.

2018-11-27 | GSE122965 | GEO

Screening of Streptococcus Suis serotype 2 resistance genes with GWAS and transcriptomic microarray analysis (SNP)

2018-11-27 | GSE122963 | GEO

Microarray Analysis of Temperature-induced Transcriptome of Streptococcus suis serotype 2

Project description:Streptococcus suis serotype 2 (SS2) is able to cause human infections ranging from superficial wounded skin infections to severe invasive infections such as meningitis and streptococcal toxic shock-like syndrome (STSLS). During its infection cycle, SS2 must acclimatize itself to temperature shift. Herein, a whole-genome DNA microarray was used to investigate the global transcriptional regulation of an invasive SS2 strain grown to late-exponential phase at 29 or 40°C relative to 37°C. The detecting differentially regulated genes included those encoding virulence factors, antigenic proteins, ABC transporters and unknown functions. Our data provided a global profile of gene transcription induced by temperature alteration and shed light on some unforeseen lines for further pathogenesis investigation.

2009-12-02 | GSE19215 | GEO

Understanding Streptococcus suis serotype 2 infection in pigs through a transcriptional approach

Project description:Streptococcus suis serotype 2 is an important pathogen of pigs, and the disease it causes is characterized by meningitis, septicaemia and pneumonia with high mortality. The pathogen is also an emerging zoonotic agent and threatens humans that are exposed to pigs or their by-products. We investigated the response of PBMC (Peripheral Blood Mononuclear Cell), brain and lung tissues to infection with S. suis 2 strain SC19 by using the Affymetrix Porcine Genome Array.

2010-10-26 | GSE24889 | GEO

Expression data from Porcine alveolar macrophages of piglets experimentally infected with Streptococcus suis serotype 2 (SS2) for 7 days

Project description:Porcine alveolar macrophages (PAMs) play an important role in innate immunity. Streptococcus suis serotype 2 is a pathogen responsible for several diseases in both pigs and humans. We used microarrays to study the transcriptome of PAMs infected with SS2.

2011-07-15 | GSE30696 | GEO

Quantitative proteomics revealed modulation of macrophages by MetQ gene of Streptococcus suis serotype 2.

Project description:MetQ gene of Streptococcus suis serotype 2 deletion strain has attenuated antiphagocytosis. However,the mechanism of antiphagocytosis and pathogenesis of MetQ in SS2 has remained unclear. In this study, stable isotope labeling by amino acids in cell culture (SILAC) based liquid chromatography-mass spectrometry (LC-MS) and subsequent bioinformatics analysis was used to determine differentially expressed proteins of RAW264.7 cells infected with △MetQ and ZY05719, aimed at elucidating the mechanism of antiphagocytosis and innate immunity of macrophages infected by Streptococcus suis.

2021-09-09 | PXD018091 | Pride

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