2017
Sequencing of the variable region of rpsB to discriminate between Streptococcus pneumoniae and other streptococcal species
Wyllie AL, Pannekoek Y, Bovenkerk S, van Engelsdorp Gastelaars J, Ferwerda B, van de Beek D, Sanders EAM, Trzciński K, van der Ende A. Sequencing of the variable region of rpsB to discriminate between Streptococcus pneumoniae and other streptococcal species. Open Biology 2017, 7: 170074. PMID: 28931649, PMCID: PMC5627049, DOI: 10.1098/rsob.170074.Peer-Reviewed Original ResearchConceptsSevere streptococcal diseaseUpper respiratory tractHuman upper respiratory tractSerotype-specific assaysMolecular assaysStreptococcal speciesNon-typeable pneumococciStreptococcal diseaseAsymptomatic individualsFalse-positive resultsRespiratory tractPneumococcal isolatesCarriage isolatesStreptococcal isolatesStreptococcus pneumoniaeLack of specificityStreptococciPositive resultsPneumococciDiseaseCarriageAssaysIsolatesVast majorityMeningitis
2016
Molecular surveillance of nasopharyngeal carriage of Streptococcus pneumoniae in children vaccinated with conjugated polysaccharide pneumococcal vaccines
Wyllie AL, Wijmenga-Monsuur AJ, van Houten MA, Bosch AATM, Groot JA, van Engelsdorp Gastelaars J, Bruin JP, Bogaert D, Rots NY, Sanders EAM, Trzciński K. Molecular surveillance of nasopharyngeal carriage of Streptococcus pneumoniae in children vaccinated with conjugated polysaccharide pneumococcal vaccines. Scientific Reports 2016, 6: 23809. PMID: 27046258, PMCID: PMC4820691, DOI: 10.1038/srep23809.Peer-Reviewed Original ResearchConceptsPneumococcal conjugate vaccinePolysaccharide pneumococcal vaccineVaccine-targeted serotypesStreptococcus pneumoniae carriageCross-sectional surveillanceVaccine serotypes 4Number of serotypesPneumococcal surveillancePneumococcal vaccinePneumoniae carriageUnvaccinated individualsConjugate vaccineNasopharyngeal carriagePneumococcal diseaseVaccine effectsNasopharyngeal samplesConventional diagnostic methodsSurveillance studyS. pneumoniaeStreptococcus pneumoniaeSerotype detectionMolecular surveillanceHidden circulationSerotypesDiagnostic methodsDevelopment of the Nasopharyngeal Microbiota in Infants with Cystic Fibrosis
Prevaes SM, de Winter-de Groot KM, Janssens HM, de Steenhuijsen Piters WA, Tramper-Stranders GA, Wyllie AL, Hasrat R, Tiddens HA, van Westreenen M, van der Ent CK, Sanders EA, Bogaert D. Development of the Nasopharyngeal Microbiota in Infants with Cystic Fibrosis. American Journal Of Respiratory And Critical Care Medicine 2016, 193: 504-515. PMID: 26492486, DOI: 10.1164/rccm.201509-1759oc.Peer-Reviewed Original ResearchMeSH KeywordsAnti-Bacterial AgentsBurkholderiaBurkholderia InfectionsCarrier StateCase-Control StudiesCohort StudiesCorynebacteriumCorynebacterium InfectionsCystic FibrosisDNA, BacterialEnterobacteriaceaeEnterobacteriaceae InfectionsFemaleHaemophilus InfectionsHaemophilus influenzaeHumansInfantInfant, NewbornMaleMicrobiotaMoraxellaMoraxellaceae InfectionsNasopharynxProspective StudiesReal-Time Polymerase Chain ReactionRNA, Ribosomal, 16SStaphylococcal InfectionsStaphylococcus aureusStreptococcal InfectionsStreptococcus mitisConceptsHealthy control subjectsControl subjectsMonths of lifeMonths of ageCystic fibrosisAntibiotic useMicrobiota profilesAge-matched healthy control subjectsEarly structural lung diseaseNasopharyngeal microbiota profilesNasopharynx of infantsProspective cohort studyStructural lung diseaseTime of diagnosisMoraxella sppPotential respiratory pathogensRespiratory symptomsAntibiotic therapyCohort studyPulmonary infectionLung diseaseNasopharyngeal microbiotaRespiratory pathogensHaemophilus influenzaeNasopharynx samples
2015
Carriage of Streptococcus pneumoniae in Aged Adults with Influenza-Like-Illness
Krone CL, Wyllie AL, van Beek J, Rots NY, Oja AE, Chu ML, Bruin JP, Bogaert D, Sanders EA, Trzciński K. Carriage of Streptococcus pneumoniae in Aged Adults with Influenza-Like-Illness. PLOS ONE 2015, 10: e0119875. PMID: 25789854, PMCID: PMC4366201, DOI: 10.1371/journal.pone.0119875.Peer-Reviewed Original ResearchConceptsS. pneumoniaeStreptococcus pneumoniaeCarriage detectionSaliva samplesPneumococcal conjugated vaccineStudy time pointsPCV13 serotypesPneumococcal diseaseCarriage prevalenceNasopharyngeal colonisationNasopharyngeal swabsConjugated vaccineNasopharyngealAged adultsPneumococciTime pointsPneumoniaeCarriageInfantsConventional cultureIllnessSalivaInfluenzaDiseaseSerotypes
2013
Superiority of Trans-Oral over Trans-Nasal Sampling in Detecting Streptococcus pneumoniae Colonization in Adults
Trzciński K, Bogaert D, Wyllie A, Chu ML, van der Ende A, Bruin JP, van den Dobbelsteen G, Veenhoven RH, Sanders EA. Superiority of Trans-Oral over Trans-Nasal Sampling in Detecting Streptococcus pneumoniae Colonization in Adults. PLOS ONE 2013, 8: e60520. PMID: 23555985, PMCID: PMC3610877, DOI: 10.1371/journal.pone.0060520.Peer-Reviewed Original ResearchConceptsS. pneumoniaeLive pneumococciDiagnostic stepsTrans-nasal approachStreptococcus pneumoniae colonizationInitial diagnostic stepPneumoniae colonizationNasopharyngeal samplesPneumococcal colonizationNasopharyngeal colonizationStreptococcus pneumoniaeHuman nasopharynxPneumococciPneumoniaeCell harvestAdultsQPCRQPCR resultsMain reservoirMolecular methods