2025
Interplay between the gut microbiome and typhoid fever: insights from endemic countries and a controlled human infection model
Ashton P, Mageiros L, Meiring J, Chunga-Chirambo A, Khanam F, Dongol S, Banda H, Karkey A, Preciado-Llanes L, Thomaides-Brears H, Gibani M, Rajib N, Rahman N, Biswas P, Bhuiyan M, Kay S, Auger K, Seret O, Thomson N, Pollard A, Baker S, Basnyat B, Clemens J, Dolecek C, Dunstan S, Dougan G, Heyderman R, Pitzer V, Qadri F, Gordon M, Holt K, Darton T. Interplay between the gut microbiome and typhoid fever: insights from endemic countries and a controlled human infection model. Microbiome 2025, 13: 168. PMID: 40696437, PMCID: PMC12281769, DOI: 10.1186/s40168-025-02125-7.Peer-Reviewed Original ResearchConceptsMetabolic gene clustersShort-chain fatty acidsTyphoid fever patientsS. typhiGut microbiomeTyphoid feverShort-chain fatty acid metabolismInfection modelAsymptomatic household contactsHuman infection modelPotential functional roleGene clusterShotgun metagenomicsInvasive SalmonellaFever patientsBacterial diversityMicrobiota characteristicsAssociated with typhoid feverBackgroundTyphoid feverStool microbiomeBacterial speciesClade ADevelopment of clinical infectionSCFA metabolismIngestion of contaminated food
2023
Assessing the global risk of typhoid outbreaks caused by extensively drug resistant Salmonella Typhi
Walker J, Chaguza C, Grubaugh N, Carey M, Baker S, Khan K, Bogoch I, Pitzer V. Assessing the global risk of typhoid outbreaks caused by extensively drug resistant Salmonella Typhi. Nature Communications 2023, 14: 6502. PMID: 37845201, PMCID: PMC10579367, DOI: 10.1038/s41467-023-42353-9.Peer-Reviewed Original ResearchConceptsXDR S. TyphiS. typhiDrug-resistant Salmonella enterica serovar TyphiDrug-resistant Salmonella TyphiTyphoid outbreakMajor public health threatResistant Salmonella typhiPublic health activitiesTyphoid fever incidencePublic health threatSalmonella enterica serovar TyphiXDR typhoidEnterica serovar TyphiH58 haplotypeHigh riskOnward transmissionTyphoid feverSignificant associationHealth activitiesFever incidenceHealth threatFuture outbreaksSerovar TyphiSalmonella typhiTyphi
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