Streptococcus suis
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ABSTRACT:
PROVIDER: PRJNA120117 | ENA |
REPOSITORIES: ENA
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Project description:To investigate the effect of CodY mutation on the gene expression in Streptococcus suis serotype 2 SC19 strain, we have employed whole genome microarray expression profiling as a discovery platform to identify genes regulated by CodY mutation. DNA microarray analysis was performed using an Agilent custom-designed oligonucleotide microarray. Based upon the whole genome sequence of SC19 , specific 60-mer oligonucleotide probes were designed using eArray (https://earray.chem.agilent.com/earray/), to cover all annotated genes. Probes were printed seven times on microarray slides. Three biological replicates of total RNA from two wild type strains and from two codY mutant strains were amplified and labeled with Cy3-CTP using Low Input Quick Amp Labeling Kit, one-color(Agilent technologies, US), following the manufacturer’s instructions. Labeled cRNA was purified using the RNeasy mini kit (Qiagen). After fragmentation, microarray slides were hybridized with 600 ng Cy3-labeled cRNA. Hybridization was performed at 65 °C for 17 h with rotation at 10 rpm. Microarray slides were washed and scanned by an Agilent Microarray Scanner (G2565BA). Those genes with greater than two-fold change ratios were regarded as differentially expressed genes. codY mutation induced gene expression in Streptococcus suis serotype 2 SC19 was detected in two wild type and two codY mutated strain of Streptococcus suis serotype 2.
2015-04-21 | E-GEOD-68068 | biostudies-arrayexpress
Project description:Streptococcus suis is an important zoonotic pathogen that can cause meningitis and sepsis in both pigs and humans. In this study,we evaluated the genetic difference of 40 Streptococcus suis strains belonging to various sequence types by comparative genomic hybridization to identify genes associated with the variation in pathogenicity using NimbleGen’s tilling microarray platform. Application of Comparative Phylogenomics to Identify Genetic Differences Relating to Pathogenicity of Streptococcus suis
2014-05-20 | GSE40035 | GEO
Project description:Mutation Mapping of 31 Streptococcus suis strains
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Project description:Mutation Mapping of 40 Streptococcus suis strains
| PRJNA172654 | ENA
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
Project description:Identification of Genes and Genomic Islands Correlated with High Pathogenicity through Tilling Microarray-Based Comparative Genomics in S. suis. Streptococcus suis is an important zoonotic pathogen that can cause meningitis and sepsis in both pigs and humans. S. suis isolates have been categorized into groups of different levels of pathogenicity, with sequence type (ST) ST1 clonal complex strains having a higher degree of virulence than other STs. However, the genetic basis of the differences in pathogenicity is still poorly understood. In this study, a comprehensive genomic comparison of 31 S. suis strains from different clinical sources with the genome sequence of the high pathogenicity (HP) strain GZ1 was conducted using NimbleGen’s tilling microarray platform.
2012-08-09 | GSE26052 | GEO
Project description:Streptococcus suis is an important zoonotic pathogen that can cause meningitis and sepsis in both pigs and humans. In this study,we evaluated the genetic difference of 40 Streptococcus suis strains belonging to various sequence types by comparative genomic hybridization to identify genes associated with the variation in pathogenicity using NimbleGenM-bM-^@M-^Ys tilling microarray platform. Application of Comparative Phylogenomics to Identify Genetic Differences Relating to Pathogenicity of Streptococcus suis Comparative genomic analysis on the 40 S.suis strains of different serotypes and ST types through tilling arrays
2014-05-20 | E-GEOD-40035 | biostudies-arrayexpress
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
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 Comparative genomic analysis of 18 SS2 strains with 05ZYH33 as reference
2009-08-29 | E-GEOD-17868 | biostudies-arrayexpress
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