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Mutation Mapping of 40 Streptococcus suis strains

ABSTRACT: 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

ORGANISM(S): Streptococcus suis

PROVIDER: GSE40035 | GEO | 2014/05/20

SECONDARY ACCESSION(S): PRJNA172654

REPOSITORIES: GEO

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Mutation Mapping of 40 Streptococcus suis strains

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

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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. Six piglets free of S. suis 2 were allocated randomly to the infected group and the uninfected group. Each piglet of the infected group was intravenous injection with Streptococcus suis 2 strain SC19 at a dose of 3Ã105 colony-forming units (CFU). Each piglet of the noninfected group was treated similarly with an identical volume of PBS as control. At 24 h after challenge, the pigs were slaughtered and their brains, lungs and PBMC were collected with RNase-free equipment for microarray analysis.

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