2024
Genetic markers associated with host status and clonal expansion of Group B Streptococcus in the Netherlands
Khan U, Dyster V, Chaguza C, van Sorge N, van de Beek D, Man K, Bentley S, Bijlsma M, Jamrozy D. Genetic markers associated with host status and clonal expansion of Group B Streptococcus in the Netherlands. Frontiers In Microbiology 2024, 15: 1410651. DOI: 10.3389/fmicb.2024.1410651.Peer-Reviewed Original ResearchGroup B streptococciDisease isolatesCarriage isolatesCC17 isolatesClonal complexesDistribution of genetic markersPrevalence of antimicrobial resistance genesWhole-genome sequencingMobile genetic elementsAntimicrobial resistance genesAssociated with invasive diseaseGBS populationB streptococciInvasive diseaseClonal expansion eventsGenome sequenceExpansion eventsGenetic elementsGenomic analysisGenetic markersResistance genesSub-lineagesInvasive isolatesSerotype IIHost groups
2017
Population genetic structure, antibiotic resistance, capsule switching and evolution of invasive pneumococci before conjugate vaccination in Malawi
Chaguza C, Cornick JE, Andam CP, Gladstone RA, Alaerts M, Musicha P, Peno C, Bar-Zeev N, Kamng'ona AW, Kiran AM, Msefula CL, McGee L, Breiman RF, Kadioglu A, French N, Heyderman RS, Hanage WP, Bentley SD, Everett DB. Population genetic structure, antibiotic resistance, capsule switching and evolution of invasive pneumococci before conjugate vaccination in Malawi. Vaccine 2017, 35: 4594-4602. PMID: 28711389, PMCID: PMC5571440, DOI: 10.1016/j.vaccine.2017.07.009.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultBacterial CapsulesChildChild, PreschoolDrug Resistance, Multiple, BacterialEvolution, MolecularFemaleGenome, BacterialHigh-Throughput Nucleotide SequencingHumansInfantInfant, NewbornMalawiMalePneumococcal InfectionsPneumococcal VaccinesPrevalenceRetrospective StudiesSerogroupSerotypingStreptococcus pneumoniaeVaccinationVaccines, ConjugateYoung AdultConceptsPneumococcal conjugate vaccineMDR ratePneumococcal isolatesHigher MDR rateImplementation of PCV13Prevalence of serotypesNon-vaccine serotypesInvasive pneumococcal isolatesGood infection preventionAntibiotic resistance ratesAntibiotic resistanceAbsence of vaccinesReplacement serotypesSerotype replacementInvasive pneumococciPneumococcal infectionConjugate vaccineSerotype 12FDisease burdenInfection preventionSerotype prevalenceHigh prevalenceInvasive isolatesContinued surveillanceResistance rates