Published in J Clin Microbiol on May 13, 2009
Revisiting pneumococcal carriage by use of broth enrichment and PCR techniques for enhanced detection of carriage and serotypes. J Clin Microbiol (2010) 2.79
Realtime PCR is more sensitive than multiplex PCR for diagnosis and serotyping in children with culture negative pneumococcal invasive disease. PLoS One (2010) 1.59
The PneuCarriage Project: A Multi-Centre Comparative Study to Identify the Best Serotyping Methods for Examining Pneumococcal Carriage in Vaccine Evaluation Studies. PLoS Med (2015) 1.46
Pneumococcal Capsules and Their Types: Past, Present, and Future. Clin Microbiol Rev (2015) 1.45
From Quellung to multiplex PCR, and back when needed, in pneumococcal serotyping. J Clin Microbiol (2012) 1.30
Rapid and easy identification of capsular serotypes of Streptococcus pneumoniae by use of fragment analysis by automated fluorescence-based capillary electrophoresis. J Clin Microbiol (2012) 1.24
Development of an automated and multiplexed serotyping assay for Streptococcus pneumoniae. Clin Vaccine Immunol (2011) 1.13
Genetic, biochemical, and serological characterization of a new pneumococcal serotype, 6H, and generation of a pneumococcal strain producing three different capsular repeat units. Clin Vaccine Immunol (2015) 1.08
Evaluation of pneumococcal serotyping by multiplex PCR and quellung reactions. J Clin Microbiol (2013) 0.98
Serotyping of Streptococcus pneumoniae based on capsular genes polymorphisms. PLoS One (2013) 0.93
Streptococcus pneumoniae type determination by multiplex polymerase chain reaction. J Korean Med Sci (2011) 0.90
Update of pneumococcal PCR serotyping assay for detection of a commonly occurring type 19F wzy variant in Brazil. J Clin Microbiol (2013) 0.89
Determination of pneumococcal serotypes in meningitis cases in Niger, 2003-2011. PLoS One (2013) 0.86
Pneumococcus with the "6E" cps Locus Produces Serotype 6B Capsular Polysaccharide. J Clin Microbiol (2016) 0.85
Single-plex quantitative assays for the detection and quantification of most pneumococcal serotypes. PLoS One (2015) 0.83
Dominance of multidrug resistant CC271 clones in macrolide-resistant streptococcus pneumoniae in Arizona. BMC Microbiol (2012) 0.83
Molecular typing of the pneumococcus and its application in epidemiology in sub-Saharan Africa. Front Cell Infect Microbiol (2013) 0.82
Pneumococcal serotypes and serogroups causing invasive disease in Pakistan, 2005-2013. PLoS One (2014) 0.80
Characterization of 19A-like 19F pneumococcal isolates from Papua New Guinea and Fiji. New Microbes New Infect (2015) 0.77
Putatively novel serotypes and the potential for reduced vaccine effectiveness: capsular locus diversity revealed among 5405 pneumococcal genomes. Microb Genom (2016) 0.76
Genetic analysis of the capsular biosynthetic locus from all 90 pneumococcal serotypes. PLoS Genet (2006) 6.43
Sequential multiplex PCR approach for determining capsular serotypes of Streptococcus pneumoniae isolates. J Clin Microbiol (2006) 5.95
Genetic basis for the new pneumococcal serotype, 6C. Infect Immun (2007) 5.27
Predicted functions and linkage specificities of the products of the Streptococcus pneumoniae capsular biosynthetic loci. J Bacteriol (2007) 2.67
Validation of a multiplex pneumococcal serotyping assay with clinical samples. J Clin Microbiol (2006) 2.48
Sequential multiplex PCR for determining capsular serotypes of pneumococci recovered from Brazilian children. J Med Microbiol (2007) 2.07
Genetic relatedness of the Streptococcus pneumoniae capsular biosynthetic loci. J Bacteriol (2007) 1.92
Rapid multiplex assay for serotyping pneumococci with monoclonal and polyclonal antibodies. J Clin Microbiol (2005) 1.79
Sequential multiplex PCR for identifying pneumococcal capsular serotypes from South-Saharan African clinical isolates. J Med Microbiol (2007) 1.76
Identification of serotype in culture negative pneumococcal meningitis using sequential multiplex PCR: implication for surveillance and vaccine design. PLoS One (2008) 1.72
Molecular detection methods and serotyping performed directly on clinical samples improve diagnostic sensitivity and reveal increased incidence of invasive disease by Streptococcus pneumoniae in Italian children. J Med Microbiol (2008) 1.71
Sustained reductions in invasive pneumococcal disease in the era of conjugate vaccine. J Infect Dis (2010) 8.37
Discovery of a new capsular serotype (6C) within serogroup 6 of Streptococcus pneumoniae. J Clin Microbiol (2007) 7.44
Sequential multiplex PCR approach for determining capsular serotypes of Streptococcus pneumoniae isolates. J Clin Microbiol (2006) 5.95
Genetic basis for the new pneumococcal serotype, 6C. Infect Immun (2007) 5.27
Population snapshot of emergent Streptococcus pneumoniae serotype 19A in the United States, 2005. J Infect Dis (2008) 4.91
Effect of pneumococcal conjugate vaccine on pneumococcal meningitis. N Engl J Med (2009) 4.38
Postvaccine genetic structure of Streptococcus pneumoniae serotype 19A from children in the United States. J Infect Dis (2005) 3.76
Global emm type distribution of group A streptococci: systematic review and implications for vaccine development. Lancet Infect Dis (2009) 3.51
Enzyme-linked immunosorbent assay for quantitation of human antibodies to pneumococcal polysaccharides. Clin Diagn Lab Immunol (2003) 3.27
Revisiting pneumococcal carriage by use of broth enrichment and PCR techniques for enhanced detection of carriage and serotypes. J Clin Microbiol (2010) 2.79
Differential effects of pneumococcal vaccines against serotypes 6A and 6C. J Infect Dis (2008) 2.70
Identification of natural pneumococcal isolates expressing serotype 6D by genetic, biochemical and serological characterization. Microbiology (2009) 2.56
Validation of a multiplex pneumococcal serotyping assay with clinical samples. J Clin Microbiol (2006) 2.48
Pre- and postvaccination clonal compositions of invasive pneumococcal serotypes for isolates collected in the United States in 1999, 2001, and 2002. J Clin Microbiol (2006) 2.46
PCR-based quantitation and clonal diversity of the current prevalent invasive serogroup 6 pneumococcal serotype, 6C, in the United States in 1999 and 2006 to 2007. J Clin Microbiol (2008) 2.42
A new pneumococcal serotype, 11E, has a variably inactivated wcjE gene. J Infect Dis (2010) 2.23
Development and validation of a fourfold multiplexed opsonization assay (MOPA4) for pneumococcal antibodies. Clin Vaccine Immunol (2006) 2.20
Production of a unique pneumococcal capsule serotype belonging to serogroup 6. Microbiology (2009) 2.07
Application of TaqMan low-density arrays for simultaneous detection of multiple respiratory pathogens. J Clin Microbiol (2011) 2.07
Use of opsonophagocytosis for serological evaluation of pneumococcal vaccines. Clin Vaccine Immunol (2006) 2.00
Biochemical, genetic, and serological characterization of two capsule subtypes among Streptococcus pneumoniae Serotype 20 strains: discovery of a new pneumococcal serotype. J Biol Chem (2012) 1.90
Rapid multiplex assay for serotyping pneumococci with monoclonal and polyclonal antibodies. J Clin Microbiol (2005) 1.79
Shifting genetic structure of invasive serotype 19A pneumococci in the United States. J Infect Dis (2011) 1.75
Increased penicillin nonsusceptibility of nonvaccine-serotype invasive pneumococci other than serotypes 19A and 6A in post-7-valent conjugate vaccine era. J Infect Dis (2010) 1.68
The 13-valent pneumococcal conjugate vaccine (PCV13) elicits cross-functional opsonophagocytic killing responses in humans to Streptococcus pneumoniae serotypes 6C and 7A. Vaccine (2011) 1.61
Association of 2009 pandemic influenza A (H1N1) infection and increased hospitalization with parapneumonic empyema in children in Utah. Pediatr Infect Dis J (2010) 1.59
Point mutation in the group B streptococcal pbp2x gene conferring decreased susceptibility to beta-lactam antibiotics. Antimicrob Agents Chemother (2008) 1.56
Efficiency of a pneumococcal opsonophagocytic killing assay improved by multiplexing and by coloring colonies. Clin Diagn Lab Immunol (2003) 1.54
Pneumococcal lipoteichoic acid (LTA) is not as potent as staphylococcal LTA in stimulating Toll-like receptor 2. Infect Immun (2003) 1.51
Older adults have a low capacity to opsonize pneumococci due to low IgM antibody response to pneumococcal vaccinations. Infect Immun (2010) 1.49
Late-onset group B streptococcal infection in identical twins: insight to disease pathogenesis. J Perinatol (2002) 1.44
Pneumococcal genome sequencing tracks a vaccine escape variant formed through a multi-fragment recombination event. Nat Genet (2012) 1.43
Pneumococcal capsular switching: a historical perspective. J Infect Dis (2012) 1.43
Livestock-associated methicillin-resistant Staphylococcus aureus sequence type 398 in humans, Canada. Emerg Infect Dis (2010) 1.41
Emergence of a novel penicillin-nonsusceptible, invasive serotype 35B clone of Streptococcus pneumoniae within the United States. J Infect Dis (2002) 1.38
Multilaboratory evaluation of a viability assay for measurement of opsonophagocytic antibodies specific to the capsular polysaccharides of Streptococcus pneumoniae. Clin Diagn Lab Immunol (2003) 1.38
Immune response in infants to the heptavalent pneumococcal conjugate vaccine against vaccine-related serotypes 6A and 19A. Clin Vaccine Immunol (2009) 1.38
Sequential triplex real-time PCR assay for detecting 21 pneumococcal capsular serotypes that account for a high global disease burden. J Clin Microbiol (2012) 1.32
From Quellung to multiplex PCR, and back when needed, in pneumococcal serotyping. J Clin Microbiol (2012) 1.30
Discovery of Streptococcus pneumoniae serotype 6 variants with glycosyltransferases synthesizing two differing repeating units. J Biol Chem (2013) 1.24
Nontypeable pneumococci can be divided into multiple cps types, including one type expressing the novel gene pspK. MBio (2012) 1.22
Genetic relationships deduced from emm and multilocus sequence typing of invasive Streptococcus dysgalactiae subsp. equisimilis and S. canis recovered from isolates collected in the United States. J Clin Microbiol (2009) 1.20
Low-cost, high-throughput, automated counting of bacterial colonies. Cytometry A (2010) 1.18
Structure of the capsular polysaccharide of pneumococcal serotype 11A reveals a novel acetylglycerol that is the structural basis for 11A subtypes. J Biol Chem (2008) 1.15
Community-based surveillance in the united states of macrolide-resistant pediatric pharyngeal group A streptococci during 3 respiratory disease seasons. Clin Infect Dis (2004) 1.15
Geographic variation in invasive pneumococcal disease following pneumococcal conjugate vaccine introduction in the United States. Clin Infect Dis (2011) 1.15
Initial and subsequent response to pneumococcal polysaccharide and protein-conjugate vaccines administered sequentially to adults who have recovered from pneumococcal pneumonia. J Infect Dis (2008) 1.14
Simplified method to automatically count bacterial colony forming unit. J Immunol Methods (2005) 1.14
Recognition of pneumococcal isolates by antisera raised against PspA fragments from different clades. J Med Microbiol (2008) 1.14
Development of an automated and multiplexed serotyping assay for Streptococcus pneumoniae. Clin Vaccine Immunol (2011) 1.13
Nasopharyngeal pneumococcal carriage of children attending day care centers in Korea: comparison between children immunized with 7-valent pneumococcal conjugate vaccine and non-immunized. J Korean Med Sci (2011) 1.13
Molecular epidemiology and risk factors for nasal carriage of staphylococcus aureus and methicillin-resistant S. aureus in infants attending day care centers in Brazil. J Clin Microbiol (2009) 1.13
High rates of Staphylococcus aureus USA400 infection, Northern Canada. Emerg Infect Dis (2011) 1.11
"Dodgy 6As": differentiating pneumococcal serotype 6C from 6A by use of the Quellung reaction. J Clin Microbiol (2009) 1.11
Cross-reactivity of current serogroup 6 factor sera from Statens Serum Institut with the recently described pneumococcal serotype 6d. J Clin Microbiol (2010) 1.10
Pre- and post-conjugate vaccine epidemiology of pneumococcal serotype 6C invasive disease and carriage within Navajo and White Mountain Apache communities. Clin Infect Dis (2010) 1.10
Serotype-specific typing antisera for pneumococcal serogroup 6 serotypes 6A, 6B, and 6C. J Clin Microbiol (2010) 1.10
Central role of complement in passive protection by human IgG1 and IgG2 anti-pneumococcal antibodies in mice. J Immunol (2003) 1.10
High rate of pneumococcal bacteremia in a prospective cohort of older children and adults in an area of high HIV prevalence in rural western Kenya. BMC Infect Dis (2010) 1.09
Comparison of Shiga toxin-producing Escherichia coli detection methods using clinical stool samples. J Mol Diagn (2010) 1.08
XDIA: improving on the label-free data-independent analysis. Bioinformatics (2010) 1.08
Type III group B streptococcal polysaccharide induces antibodies that cross-react with Streptococcus pneumoniae type 14. Infect Immun (2002) 1.08
Prevalence of Streptococcus pneumoniae serotype 6C among invasive and carriage isolates in metropolitan Salvador, Brazil, from 1996 to 2007. Diagn Microbiol Infect Dis (2009) 1.07
Development of a fourfold multiplexed opsonophagocytosis assay for pneumococcal antibodies against additional serotypes and discovery of serological subtypes in Streptococcus pneumoniae serotype 20. Clin Vaccine Immunol (2012) 1.07
Clonal association between Streptococcus pneumoniae serotype 23A, circulating within the United States, and an internationally dispersed clone of serotype 23F. J Clin Microbiol (2005) 1.06
Pneumococcal vaccination in older adults induces antibodies with low opsonic capacity and reduced antibody potency. Vaccine (2008) 1.06
Immunization of mice with single PspA fragments induces antibodies capable of mediating complement deposition on different pneumococcal strains and cross-protection. Clin Vaccine Immunol (2010) 1.06
Structural characterization of Streptococcus pneumoniae serotype 9A capsule polysaccharide reveals role of glycosyl 6-O-acetyltransferase wcjE in serotype 9V capsule biosynthesis and immunogenicity. J Biol Chem (2012) 1.05
Elucidation of structural and antigenic properties of pneumococcal serotype 11A, 11B, 11C, and 11F polysaccharide capsules. J Bacteriol (2011) 1.05
Influence of asthma status on serotype-specific pneumococcal antibody levels. Postgrad Med (2010) 1.05
A four-parameter logistic model for estimating titers of functional multiplexed pneumococcal opsonophagocytic killing assay. J Biopharm Stat (2008) 1.05
Non-pneumococcal mitis-group streptococci confound detection of pneumococcal capsular serotype-specific loci in upper respiratory tract. PeerJ (2013) 1.05
A new model of pneumococcal lipoteichoic acid structure resolves biochemical, biosynthetic, and serologic inconsistencies of the current model. J Bacteriol (2008) 1.05
Potential nonpneumococcal confounding of PCR-based determination of serotype in carriage. J Clin Microbiol (2012) 1.04
Clinical implications of pneumococcal serotypes: invasive disease potential, clinical presentations, and antibiotic resistance. J Korean Med Sci (2013) 1.04
Pneumococcal vaccine and opsonic pneumococcal antibody. J Infect Chemother (2013) 1.03
The effect of age on the response to the pneumococcal polysaccharide vaccine. BMC Infect Dis (2010) 1.02
The multidrug-resistant PMEN1 pneumococcus is a paradigm for genetic success. Genome Biol (2012) 1.01