Featured Publications
Population genomics of Group B Streptococcus reveals the genetics of neonatal disease onset and meningeal invasion
Chaguza C, Jamrozy D, Bijlsma M, Kuijpers T, van de Beek D, van der Ende A, Bentley S. Population genomics of Group B Streptococcus reveals the genetics of neonatal disease onset and meningeal invasion. Nature Communications 2022, 13: 4215. PMID: 35864107, PMCID: PMC9304382, DOI: 10.1038/s41467-022-31858-4.Peer-Reviewed Original ResearchConceptsPopulation genomicsMicrobial population genomicsGroup B streptococciWide association studyPopulation structureGenetic variationGenetic signaturesCapsule biosynthesis locusDisease onset timeAssociation studiesB streptococciInvasive neonatal GBS diseaseNeonatal GBS diseaseGenomicsPathogen surveillanceAcute invasive diseaseGeneticsOnset timeDisease pathogenesisGBS diseasePreterm birthTissue infectionsDisease burdenDisease onsetInvasive disease
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
2022
Comparative Genomics of Disease and Carriage Serotype 1 Pneumococci
Chaguza C, Ebruke C, Senghore M, Lo S, Tientcheu P, Gladstone R, Tonkin-Hill G, Cornick J, Yang M, Worwui A, McGee L, Breiman R, Klugman K, Kadioglu A, Everett D, Mackenzie G, Croucher N, Roca A, Kwambana-Adams B, Antonio M, Bentley S. Comparative Genomics of Disease and Carriage Serotype 1 Pneumococci. Genome Biology And Evolution 2022, 14: evac052. PMID: 35439297, PMCID: PMC9048925, DOI: 10.1093/gbe/evac052.Peer-Reviewed Original ResearchConceptsGenomic variationGenome-wide association studiesComparative genomicsGenetic variationLineage distributionAssociation studiesPhenotypic variabilityPathogen surveillanceSystemic tissuesIsolatesSerotype 1GenomicsLineagesGeneticsMinimal effectVariationInvasivenessSerotype 1 pneumococciIsolationInvasive diseaseA new perspective on ancient Mitis group streptococcal genetics
Belman S, Chaguza C, Kumar N, Lo S, Bentley SD. A new perspective on ancient Mitis group streptococcal genetics. Microbial Genomics 2022, 8: 000753. PMID: 35225216, PMCID: PMC8942026, DOI: 10.1099/mgen.0.000753.Peer-Reviewed Original ResearchConceptsCommensal speciesVirulence factorsPathogenic speciesSpecific virulence factorsMitis groupHost-microbe interactionsMajor virulence factorInvasive diseaseLeading causeOral cavityVaccine antigensEvolutionary divergenceExtant speciesEvolutionary historyExtant strainsStreptococcus pneumoniaeSuch genesAncient genomesSynthesis genesGene databaseIndividual speciesPolysaccharide capsuleZinc metalloproteasesStable maintenanceObligate bacteria
2021
Carriage Dynamics of Pneumococcal Serotypes in Naturally Colonized Infants in a Rural African Setting During the First Year of Life
Chaguza C, Senghore M, Bojang E, Lo SW, Ebruke C, Gladstone RA, Tientcheu PE, Bancroft RE, Worwui A, Foster-Nyarko E, Ceesay F, Okoi C, McGee L, Klugman KP, Breiman RF, Barer MR, Adegbola RA, Antonio M, Bentley SD, Kwambana-Adams BA. Carriage Dynamics of Pneumococcal Serotypes in Naturally Colonized Infants in a Rural African Setting During the First Year of Life. Frontiers In Pediatrics 2021, 8: 587730. PMID: 33489998, PMCID: PMC7820366, DOI: 10.3389/fped.2020.587730.Peer-Reviewed Original ResearchPneumococcal serotypesPneumococcal conjugate vaccineRural African settingFirst yearColonized infantsPneumococcal acquisitionConjugate vaccineCarriage prevalenceInvasive diseaseNewborn infantsWeek 35Week 1Carriage patternsDisease preventionLatex agglutinationInfantsClinical interventionsMultiple serotypesFirst weekCarriage durationAfrican settingCarriage dynamicsBaseline dataSerotypesLimited data
2020
Lower Density and Shorter Duration of Nasopharyngeal Carriage by Pneumococcal Serotype 1 (ST217) May Explain Its Increased Invasiveness over Other Serotypes
Bricio-Moreno L, Chaguza C, Yahya R, Shears RK, Cornick JE, Hokamp K, Yang M, Neill DR, French N, Hinton JCD, Everett DB, Kadioglu A. Lower Density and Shorter Duration of Nasopharyngeal Carriage by Pneumococcal Serotype 1 (ST217) May Explain Its Increased Invasiveness over Other Serotypes. MBio 2020, 11: e00814-20. PMID: 33293378, PMCID: PMC7733939, DOI: 10.1128/mbio.00814-20.Peer-Reviewed Original ResearchConceptsInvasive pneumococcal diseaseNasopharyngeal carriageSerotype 1Invasive diseaseDisease progressionPneumococcal strainsInvasive pneumococcal disease casesQueen Elizabeth Central HospitalMajor causePneumococcal disease casesPneumococcal serotype 1Health care systemPneumococcal diseaseCentral HospitalVaccine efficacyInvasive infectionsInvasive pneumoniaCommon causeMurine modelMouse modelDisease casesCarrier stateHuman nasopharynxPneumoniaRNA sequencing analysis
2017
Genomic Epidemiology of Penicillin-Nonsusceptible Pneumococci with Nonvaccine Serotypes Causing Invasive Disease in the United States
Andam CP, Mitchell PK, Callendrello A, Chang Q, Corander J, Chaguza C, McGee L, Beall BW, Hanage WP. Genomic Epidemiology of Penicillin-Nonsusceptible Pneumococci with Nonvaccine Serotypes Causing Invasive Disease in the United States. Journal Of Clinical Microbiology 2017, 55: 1104-1115. PMID: 28100596, PMCID: PMC5377837, DOI: 10.1128/jcm.02453-16.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overChildChild, PreschoolEpidemiological MonitoringEvolution, MolecularFemaleGenome, BacterialGenotypeHumansInfantInfant, NewbornMaleMiddle AgedMolecular EpidemiologyPenicillin ResistancePneumococcal InfectionsSequence Analysis, DNASerogroupStreptococcus pneumoniaeUnited StatesYoung AdultConceptsActive Bacterial Core surveillancePneumococcal Molecular Epidemiology NetworkNonvaccine typesVaccine typesPenicillin-nonsusceptible pneumococciAntibiotic-resistant strainsNVT pneumococciNonvaccine serotypesSerotype 35BPneumococcal serotypesInvasive diseaseSerogroups 23Core surveillanceEpidemiology NetworkDisease controlDisease prevalencePNSPGenomic epidemiologyFuture surveillanceVaccinationSerotypesResistant clonesSerotype switchingPneumococciDisease