2023
Development of an amplicon-based sequencing approach in response to the global emergence of mpox
Chen N, Chaguza C, Gagne L, Doucette M, Smole S, Buzby E, Hall J, Ash S, Harrington R, Cofsky S, Clancy S, Kapsak C, Sevinsky J, Libuit K, Park D, Hemarajata P, Garrigues J, Green N, Sierra-Patev S, Carpenter-Azevedo K, Huard R, Pearson C, Incekara K, Nishimura C, Huang J, Gagnon E, Reever E, Razeq J, Muyombwe A, Borges V, Ferreira R, Sobral D, Duarte S, Santos D, Vieira L, Gomes J, Aquino C, Savino I, Felton K, Bajwa M, Hayward N, Miller H, Naumann A, Allman R, Greer N, Fall A, Mostafa H, McHugh M, Maloney D, Dewar R, Kenicer J, Parker A, Mathers K, Wild J, Cotton S, Templeton K, Churchwell G, Lee P, Pedrosa M, McGruder B, Schmedes S, Plumb M, Wang X, Barcellos R, Godinho F, Salvato R, Ceniseros A, Breban M, Grubaugh N, Gallagher G, Vogels C. Development of an amplicon-based sequencing approach in response to the global emergence of mpox. PLOS Biology 2023, 21: e3002151. PMID: 37310918, PMCID: PMC10263305, DOI: 10.1371/journal.pbio.3002151.Peer-Reviewed Original ResearchConceptsPublic health laboratoriesHealth laboratoriesSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2Monkeypox virusRespiratory syndrome coronavirus 2Ongoing coronavirus disease 2019 (COVID-19) pandemicAnatomical body sitesAtypical clinical presentationCoronavirus disease 2019 (COVID-19) pandemicSyndrome coronavirus 2Course of infectionDisease 2019 pandemicRapid outbreak responseWhole-genome sequencingHuman monkeypox virusCT valuesClinical presentationViral loadCoronavirus 2Viral DNA concentrationsPathogen whole-genome sequencingZika virusClinical specimensBody sites
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 disease
2021
Serotype 1 pneumococcus: epidemiology, genomics, and disease mechanisms
Chaguza C, Yang M, Jacques L, Bentley S, Kadioglu A. Serotype 1 pneumococcus: epidemiology, genomics, and disease mechanisms. Trends In Microbiology 2021, 30: 581-592. PMID: 34949516, PMCID: PMC7613904, DOI: 10.1016/j.tim.2021.11.007.Peer-Reviewed Original ResearchRCandy: an R package for visualizing homologous recombinations in bacterial genomes
Chaguza C, Tonkin-Hill G, Lo S, Hadfield J, Croucher N, Harris S, Bentley S. RCandy: an R package for visualizing homologous recombinations in bacterial genomes. Bioinformatics 2021, 38: 1450-1451. PMID: 34864895, PMCID: PMC8826011, DOI: 10.1093/bioinformatics/btab814.Peer-Reviewed Original ResearchConceptsBacterial genomesHomologous recombinationRecombination eventsImportant evolutionary processPlatform-independent R packageGenomic sequence diversityValuable biological insightsSuch recombination eventsR packageGenomic regionsSequence diversityBiological insightsEvolutionary processesGenomeSupplementary dataRecombinationMIT licenseProkaryotesBioinformaticsDiversityBacteriaMacOSXAdaptationWhole genomic comparative analysis of Streptococcus pneumoniae serotype 1 isolates causing invasive and non-invasive infections among children under 5 years in Casablanca, Morocco
Nzoyikorera N, Diawara I, Fresia P, Maaloum F, Katfy K, Nayme K, Maaloum M, Cornick J, Chaguza C, Timinouni M, Belabess H, Zerouali K, Elmdaghri N. Whole genomic comparative analysis of Streptococcus pneumoniae serotype 1 isolates causing invasive and non-invasive infections among children under 5 years in Casablanca, Morocco. BMC Genomics 2021, 22: 39. PMID: 33413118, PMCID: PMC7792055, DOI: 10.1186/s12864-020-07316-0.Peer-Reviewed Original Research
2020
Using genomics to improve preparedness and response of future epidemics or pandemics in Africa
Chaguza C, Nyaga MM, Mwenda JM, Esona MD, Jere KC. Using genomics to improve preparedness and response of future epidemics or pandemics in Africa. The Lancet Microbe 2020, 1: e275-e276. PMID: 33345202, PMCID: PMC7729821, DOI: 10.1016/s2666-5247(20)30169-5.Peer-Reviewed Original Research
2019
Genomic analysis of Klebsiella pneumoniae isolates from Malawi reveals acquisition of multiple ESBL determinants across diverse lineages
Musicha P, Msefula CL, Mather AE, Chaguza C, Cain AK, Peno C, Kallonen T, Khonga M, Denis B, Gray KJ, Heyderman RS, Thomson NR, Everett DB, Feasey NA. Genomic analysis of Klebsiella pneumoniae isolates from Malawi reveals acquisition of multiple ESBL determinants across diverse lineages. Journal Of Antimicrobial Chemotherapy 2019, 74: 1223-1232. PMID: 30778540, PMCID: PMC6477993, DOI: 10.1093/jac/dkz032.Peer-Reviewed Original Research
2017
Comparative Genomic Analysis and In Vivo Modeling of Streptococcus pneumoniae ST3081 and ST618 Isolates Reveal Key Genetic and Phenotypic Differences Contributing to Clonal Replacement of Serotype 1 in The Gambia
Bricio-Moreno L, Ebruke C, Chaguza C, Cornick J, Kwambana-Adams B, Yang M, Mackenzie G, Wren BW, Everett D, Antonio M, Kadioglu A. Comparative Genomic Analysis and In Vivo Modeling of Streptococcus pneumoniae ST3081 and ST618 Isolates Reveal Key Genetic and Phenotypic Differences Contributing to Clonal Replacement of Serotype 1 in The Gambia. The Journal Of Infectious Diseases 2017, 216: 1318-1327. PMID: 28968897, PMCID: PMC5853340, DOI: 10.1093/infdis/jix472.Peer-Reviewed Original ResearchAnimalsCarrier StateDisease Models, AnimalGambiaGenetic VariationGenome, BacterialGenomicsHemolysisHost-Pathogen InteractionsHumansMaleMiceMultilocus Sequence TypingNasopharynxPhenotypePneumococcal InfectionsPneumonia, PneumococcalPolymorphism, Single NucleotideSerotypingStreptococcus pneumoniaeVirulenceGenomic landscape of extended-spectrum β-lactamase resistance in Escherichia coli from an urban African setting
Musicha P, Feasey NA, Cain AK, Kallonen T, Chaguza C, Peno C, Khonga M, Thompson S, Gray KJ, Mather AE, Heyderman RS, Everett DB, Thomson NR, Msefula CL. Genomic landscape of extended-spectrum β-lactamase resistance in Escherichia coli from an urban African setting. Journal Of Antimicrobial Chemotherapy 2017, 72: 1602-1609. PMID: 28333330, PMCID: PMC5437524, DOI: 10.1093/jac/dkx058.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultBeta-Lactam ResistanceBeta-LactamasesChildChild, PreschoolChloramphenicolDrug Resistance, Multiple, BacterialEscherichia coliEscherichia coli InfectionsFemaleGenes, BacterialGenetic VariationGenomicsHumansMalawiMaleMicrobial Sensitivity TestsMultilocus Sequence TypingPhylogenyUrban PopulationYoung AdultConceptsAntimicrobial resistanceExtended spectrum β-lactamase resistanceEscherichia coli infectionResource-rich settingsUrban African settingCommon ESBL geneLow-income settingsPhenotypic resistance profilesΒ-lactamase resistanceColi infectionESBL resistanceGlobal epidemiologyFluoroquinolone resistanceQueen's HospitalBla CTXESBL genesMolecular epidemiologyResistance profilesMolecular patternsAfrican settingClinical sourcesHospitalE. coliEpidemiologyST131
2015
Comparative Genomic Analysis of Meningitis- and Bacteremia-Causing Pneumococci Identifies a Common Core Genome
Kulohoma BW, Cornick JE, Chaguza C, Yalcin F, Harris SR, Gray KJ, Kiran AM, Molyneux E, French N, Parkhill J, Faragher BE, Everett DB, Bentley SD, Heyderman RS. Comparative Genomic Analysis of Meningitis- and Bacteremia-Causing Pneumococci Identifies a Common Core Genome. Infection And Immunity 2015, 83: 4165-4173. PMID: 26259813, PMCID: PMC4567637, DOI: 10.1128/iai.00814-15.Peer-Reviewed Original ResearchConceptsBloodstream infectionsSterile sitesPneumococcal population structureDisease manifestationsMeningitisVaccine candidatesS. pneumoniaeStreptococcus pneumoniaeNasopharyngeal commensalPneumococciVirulence factorsWhole-genome sequencingInfectionPneumoniaeVirulence behaviorPresence/absenceIsolatesMeninges