ArticleEuropean journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology2014
Molecular epidemiology of group B streptococci in Ireland reveals a diverse population with evidence of capsular switching.
Article in European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers, 2 of them syntheses that pooled it.
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Who cites it
40 citing papers in PubMed, 2 syntheses or guidelines pooled it, 59 citations in OpenAlex.
- Molecular epidemiology ofMicrobial genomics · 2023Pooled it
- Pooled it
- Towards a holistic epidemiology ofFrontiers in bioinformatics · 2026Article
- The prevalence of multidrug resistance in Staphylococcus hominis isolated from clinical materials.Scientific reports · 2025Article
- A Comparative Analysis of Molecular Epidemiology and Antibiotic Resistance in Group B Streptococcus Isolated From Invasive and Noninvasive Adult Cases in Daejeon, South Korea.The Canadian journal of infectious diseases & medical microbiology = Journal canadien des maladies infectieuses et de la microbiologie medicale · 2025Article
- Molecular epidemiology and antibiotic resistance of group BFrontiers in cellular and infection microbiology · 2025Article
- Unveiling the genetic landscape of Streptococcus agalactiae bacteremia: emergence of hypervirulent CC1 strains and new CC283 strains in Tehran, Iran.BMC microbiology · 2024Article
- Group B Streptococcus Infections in Non-Pregnant Adults, Italy, 2015-2019.Pathogens (Basel, Switzerland) · 2024Article
- Characteristics ofIranian journal of basic medical sciences · 2023Article
- Clinical and molecular epidemiology of invasive group B Streptococcus infections in adults in a referral center in Korea.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2022Article
- A Recombinant Alpha-Like Protein Subunit Vaccine (GBS-NN) Provides Protection in Murine Models of Group B Streptococcus Infection.The Journal of infectious diseases · 2022Article
- Genotypic Characterization and Biofilm Production of Group B Streptococcus Strains Isolated from Bone and Joint Infections.Microbiology spectrum · 2022Article
- Identifying large-scale recombination and capsular switching events inMicrobial genomics · 2022Article
- Population Genomics Reveals Distinct Temporal Association with the Emergence of ST1 Serotype V Group B Streptococcus and Macrolide Resistance in North America.Antimicrobial agents and chemotherapy · 2022Article
- Group B streptococcal infections in infants in Iceland: clinical and microbiological factors.Journal of medical microbiology · 2021Article
- Phylogeny, recombination, and invasiveness of group B Streptococcus revealed by genomic comparisons of its global strains.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2021Article
- Bacterial and Host Determinants of Group B Streptococcal Vaginal Colonization and Ascending Infection in Pregnancy.Frontiers in cellular and infection microbiology · 2021Review
- CRISPR Typing Increases the Discriminatory Power ofFrontiers in microbiology · 2021Article
- High prevalence of group B streptococcus ST17 hypervirulent clone among non-pregnant patients from a Hungarian venereology clinic.BMC infectious diseases · 2019Article
- Differences in distribution of MLS antibiotics resistance genes in clinical isolates of staphylococci belonging to species: S. epidermidis, S. hominis, S. haemolyticus, S. simulans and S. warneri.BMC microbiology · 2019Article
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Authors and funding
3 authors at 2 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
The molecular epidemiology of group B Streptococcus (GBS) in Ireland was investigated. Invasive (n = 132) and non-invasive (n = 45) isolates, collected in 2007-2011, were analysed by multilocus locus sequence typing, capsular polysaccharide (CPS) serotyping, profiling of surface proteins, pilus islands (PI), and antimicrobial susceptibility. Isolates grouped into 45 sequence types and five main clonal complexes (CC). CC1, CC17 and CC23 represented 67.2 % of isolates and the most prevalent serotypes Ia, III and V. Serotype and surface protein genes were largely predictive of CC. Accordingly, CPS V/alp3, CPS Ib/CPS II/bca + bac, and CPS Ia/eps predominated in CC1, CC12 and CC23, respectively, and CPS III/rib in CC17 and CC19. Supporting their vaccine potential, all isolates harboured at least one PI, of which the PI-1 + PI-2a combination was most prevalent. Macrolide resistance was found in 18.6 % of isolates. erm(B) and the globally disseminated CC1/CPS V were the most common resistance mechanism and CC/CPS type, respectively. CC17, significantly associated with neonatal disease, was also prevalent in pregnant adults, but was underrepresented among non-pregnant adults. Two of 46 CC17 isolates (typically CPS III) were CPS IV. Sequence analysis confirmed capsular switching and their relatedness to CC17/CPS IV strains recently characterized in France. CPS IV, detected only in invasive isolates (6.8 %), was most prevalent in adults (12 %) and showed an increase in prevalence to that reported (1.4 %) for invasive isolates in Ireland 1997-1999. Increases in serotype IV and evidence of capsular switching in CC17 highlights the importance of ongoing surveillance of GBS and may have implications for vaccine development strategies.
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