ArticleApplied and environmental microbiology2015
Eight Novel Capsular Polysaccharide Synthesis Gene Loci Identified in Nontypeable Streptococcus suis Isolates.
Article in Applied and environmental microbiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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37 citing papers in PubMed.
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- Clinically relevant genomic and phenotypic differences in virulence, antimicrobial resistance, and biofilm-associated tolerance between Streptococcus suis lineages ST1 and ST123.Veterinary research · 2026Article
- Streptococcus suis in Asia: epidemiology, transmission and zoonotic risk at the animal-human interface.Veterinary research communications · 2026Review
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- Functional analysis of the type II toxin-antitoxin system ParDE in Streptococcus suis serotype 2.BMC veterinary research · 2025Article
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- Molecular characterization of Streptococcus suis isolates recovered from diseased pigs in Europe.Veterinary research · 2024Article
- Comparative Genome Analysis of TwoAnimals : an open access journal from MDPI · 2024Article
- PPNet: Identifying Functional Association Networks by Phylogenetic Profiling of Prokaryotic Genomes.Microbiology spectrum · 2023Article
- Interaction between Porcine Alveolar Macrophage-Tang Cells and Streptococcus suis Strains of Different Virulence: Phagocytosis and ApoptosisMicroorganisms · 2023Article
- Epidemiological and genomic analyses of human isolates ofFrontiers in microbiology · 2023Article
- The antimicrobial systems ofVirulence · 2022Article
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8 authors.
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Abstract
Streptococcus suis is an important pathogen of pigs and may cause serious disease in humans. Serotyping is one of the important diagnostic tools and is used for the epidemiological study of S. suis. Nontypeable S. suis strains have been reported in many studies; however, the capsular polysaccharide (CPS) synthesis cps loci of nontypeable strains have not been analyzed. In this study, we investigated the genetic characteristics of cps loci in 78 nontypeable strains isolated from healthy pigs. Eight novel cps loci (NCLs) were found, and all of them were located between the orfZ-orfX region and the glf gene. All NCLs possess the wzy and wzx genes, strongly suggesting that the CPSs of these NCLs were synthesized using the Wzx/Wzy-dependent pathway. The cps genes found in the 78 isolates were assigned to 96 homology groups (HGs), 55 of which were NCL specific. The encapsulation of the 78 isolates was also examined using transmission electron microscopy. Fifty-three isolates were found to have a capsule, and these were of varied thicknesses. Our data enhance our understanding of the cps gene cluster diversity of nontypeable S. suis strains and provide insight into the evolution of the S. suis capsular genes.
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