2025
Host-pathogen interaction profiling of nontypeable Haemophilus influenzae and Moraxella catarrhalis coinfection of bronchial epithelial cells
D’Mello A, Murphy T, Wade M, Kirkham C, Kong Y, Tettelin H, Pettigrew M. Host-pathogen interaction profiling of nontypeable Haemophilus influenzae and Moraxella catarrhalis coinfection of bronchial epithelial cells. MSphere 2025, 10: e00242-25. PMID: 40492732, PMCID: PMC12306180, DOI: 10.1128/msphere.00242-25.Peer-Reviewed Original ResearchRegulation of quorum sensingTranscriptome profilingBioinformatics analysisCell culture modelBiological pathwaysIron-sulfur metabolismHost-pathogen interactionsHost biological pathwaysHost cell pathwaysIscR regulonChronic obstructive pulmonary diseaseEpithelial cellsQuorum sensingEpithelial cell infectionRNA-seqH292 cell lineHost pathwaysExacerbation of chronic obstructive pulmonary diseaseNontypeable Haemophilus influenzaeRNA sequencingHost cellsDifferential regulationCulture modelBronchial epithelial cellsMono-infectionOuter membrane tube formation by Francisella novicida involves extensive envelope modifications and is linked with type VI secretion and alterations to the host phagosomal membrane
Rashid M, Tachiyama S, Zhu S, Zhao H, McCaig W, Sun J, Li H, Liu J, Thanassi D. Outer membrane tube formation by Francisella novicida involves extensive envelope modifications and is linked with type VI secretion and alterations to the host phagosomal membrane. MBio 2025, 16: e01060-25. PMID: 40387340, PMCID: PMC12153307, DOI: 10.1128/mbio.01060-25.Peer-Reviewed Original ResearchConceptsType VI secretion systemOuter membrane vesiclesVI secretion systemZoonotic disease tularemiaPhagosomal escapePhagosomal membraneSecretion systemMembrane tubulesMacrophage phagosomesDisease tularemiaCryogenic electron tomographyResponse to amino acid starvationTubular extensionsCellular transformationSpherical outer membrane vesiclesType VI secretionAmino acid starvationCell surfaceDynamic cytoplasmic organellesHost-pathogen interactionsDynamic cytoplasmic structuresIntracellular bacterial pathogensCo-localizationResponse to specific cuesTube formationActivation of macrophages by extracellular vesicles derived from Babesia-infected red blood cells
Hagos B, Brasov I, Branscome H, Rashid S, Bradford R, Leonelli J, Kashanchi F, Mamoun C, Molestina R. Activation of macrophages by extracellular vesicles derived from Babesia-infected red blood cells. Infection And Immunity 2025, 93: e00333-24. PMID: 40172538, PMCID: PMC12070731, DOI: 10.1128/iai.00333-24.Peer-Reviewed Original ResearchConceptsInfected red blood cellsPrimary cause of human babesiosisRed blood cellsExtracellular vesiclesActivated macrophagesResponse to <i>B.Host-pathogen interactionsModulation of pro-inflammatory cytokinesBlood cellsElimination of parasitesPro-inflammatory cytokinesActivation of NF-kBActivation of macrophagesRelease of extracellular vesiclesInnate immune responseIncubation of macrophagesUninfected RBCsCo-culture experimentsHuman babesiosisProtozoan parasitesCytokine secretionImmune responseMacrophage activationBabesiosisEV fractions
2024
Age-dependent pathogenic profiles of enterotoxigenic Escherichia coli diarrhea in Bangladesh
Akhtar M, Begum Y, Isfat Ara Rahman S, Afrad M, Parvin N, Akter A, Tauheed I, Amin M, Ryan E, Khan A, Chowdhury F, Bhuiyan T, Qadri F. Age-dependent pathogenic profiles of enterotoxigenic Escherichia coli diarrhea in Bangladesh. Frontiers In Public Health 2024, 12: 1484162. PMID: 39726651, PMCID: PMC11669683, DOI: 10.3389/fpubh.2024.1484162.Peer-Reviewed Original ResearchEnterotoxigenic Escherichia coliETEC infectionColonization factorsEnterotoxigenic Escherichia coli strainsEnterotoxigenic Escherichia coli infectionEnterotoxigenic Escherichia coli diarrheaETEC casesClinical manifestationsETEC-associated diarrheaHost-pathogen interactionsAge groupsPrevalence of antimicrobial resistanceDevelopment of targeted vaccinesETEC antigensETEC diarrheaVirulence factorsYears age groupDiarrheal patientsHospital surveillance dataToxin typesAge-specific distributionChildren Aged 0Pediatric casesAntimicrobial resistanceCFA/IInSeq analysis of defined Legionella pneumophila libraries identifies a transporter-encoding gene cluster important for intracellular replication in mammalian hosts
Moss C, Roy C. InSeq analysis of defined Legionella pneumophila libraries identifies a transporter-encoding gene cluster important for intracellular replication in mammalian hosts. MBio 2024, 15: e01955-24. PMID: 39365064, PMCID: PMC11559062, DOI: 10.1128/mbio.01955-24.Peer-Reviewed Original ResearchMammalian hostsLegionella pneumophila</i>Mutant libraryIntracellular replicationDot/Icm type IV secretion systemHost cellsType IV secretion systemInfection of mammalian cellsTransposon insertion sequencingTransposon mutant libraryOpportunistic human pathogenIV secretion systemIsogenic deletion mutantsGenetic complementation studiesHost-pathogen interactionsIntracellular bacterial pathogensMultidrug efflux pumpsMammalian infection modelsATP-binding cassetteBacteria encounterDot/Icm systemSecretion systemTransposon sequencesGene clusterHost cytosolMicrobe Profile: Bacteriophage ϕ6: a model for segmented RNA viruses and the evolutionary consequences of viral ‘sex’
Turner P, Chao L. Microbe Profile: Bacteriophage ϕ6: a model for segmented RNA viruses and the evolutionary consequences of viral ‘sex’. Microbiology 2024, 170: 001467. PMID: 39046321, PMCID: PMC11316545, DOI: 10.1099/mic.0.001467.Peer-Reviewed Original ResearchConceptsEukaryotic virusesHost-pathogen interactionsEvolution of sexDsRNA virusesEvolutionary consequencesSegment reassortmentBacterial virusesRNA virusesRate of adaptationMutation ratePhenotypic complexityMutation loadLipid envelopeBacteriophageReassortmentRNAMutationsVirusMolecular modelingDsRNAExperimental systemGeneticsTraitsHostReplicationHigh burden of viruses and bacterial pathobionts drives heightened nasal innate immunity in children
Watkins T, Green A, Amat J, Cheemarla N, Hänsel K, Lozano R, Dudgeon S, Germain G, Landry M, Schulz W, Foxman E. High burden of viruses and bacterial pathobionts drives heightened nasal innate immunity in children. Journal Of Experimental Medicine 2024, 221: e20230911. PMID: 38949638, PMCID: PMC11215523, DOI: 10.1084/jem.20230911.Peer-Reviewed Original ResearchConceptsBacterial pathobiontsRespiratory virusesBurden of virusesSARS-CoV-2Innate immune activationSARS-CoV-2 viral loadDynamic host-pathogen interactionsInnate immune responseViral coinfectionCytokine profileViral loadNasal virusImmune activationProinflammatory responseIL-1BNasopharyngeal samplesHost-pathogen interactionsImmune responseInterferon responsePathobiontsInnate immunityPaired samplesCXCL10Healthy 1-year-oldVirusLipoarabinomannan mediates localized cell wall integrity during division in mycobacteria
Sparks I, Kado T, Prithviraj M, Nijjer J, Yan J, Morita Y. Lipoarabinomannan mediates localized cell wall integrity during division in mycobacteria. Nature Communications 2024, 15: 2191. PMID: 38467648, PMCID: PMC10928101, DOI: 10.1038/s41467-024-46565-5.Peer-Reviewed Original ResearchConceptsCell wall integrityWall integrityRod cell shapeCell envelope integrityHost-pathogen interactionsCell envelope componentsClinically relevant pathogensAssociated with divisionBiosynthetic mutantsEnvelope integritySubcellular locationMycobacterium smegmatisOld poleMulti-septateCell shapeMutantsBacterial modelRelevant pathogensSeptal placementPhysiological functionsMycobacterium tuberculosisEnvelope componentsMycobacteriaLipoarabinomannanDiderm
2023
Iron acquisition by a commensal bacterium modifies host nutritional immunity during Salmonella infection
Spiga L, Fansler R, Perera Y, Shealy N, Munneke M, David H, Torres T, Lemoff A, Ran X, Richardson K, Pudlo N, Martens E, Folta-Stogniew E, Yang Z, Skaar E, Byndloss M, Chazin W, Zhu W. Iron acquisition by a commensal bacterium modifies host nutritional immunity during Salmonella infection. Cell Host & Microbe 2023, 31: 1639-1654.e10. PMID: 37776864, PMCID: PMC10599249, DOI: 10.1016/j.chom.2023.08.018.Peer-Reviewed Original ResearchConceptsLipocalin-2Nutritional immunityProtein lipocalin 2Role of commensalIntestinal inflammationInflamed gutSalmonella infectionHost nutritional immunityImmunityGut bacteriaIron metabolismHost-pathogen interactionsGut commensal Bacteroides thetaiotaomicronPathogensBacteroides thetaiotaomicronSalmonellaInflammationInfectionHost sequestrationLung endothelium, tau, and amyloids in health and disease
Balczon R, Lin M, Voth S, Nelson A, Schupp J, Wagener B, Pittet J, Stevens T. Lung endothelium, tau, and amyloids in health and disease. Physiological Reviews 2023, 104: 533-587. PMID: 37561137, PMCID: PMC11281824, DOI: 10.1152/physrev.00006.2023.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsEnd-organ dysfunctionLung endotheliumLower respiratory tract infectionsRespiratory tract infectionsAlveolar-capillary barrierLung capillary endotheliumTract infectionsImmune responseNeurocognitive dysfunctionBarrier integrityProtein tauLung capillariesInfectionCapillary endotheliumDysfunctionEpithelial cellsEndotheliumTau variantsVascular nicheTauHost-pathogen interactionsType ICytotoxic activityCytotoxicAmyloid variantsMalaria: influence of Anopheles mosquito saliva on Plasmodium infection
Arora G, Chuang Y, Sinnis P, Dimopoulos G, Fikrig E. Malaria: influence of Anopheles mosquito saliva on Plasmodium infection. Trends In Immunology 2023, 44: 256-265. PMID: 36964020, PMCID: PMC10074230, DOI: 10.1016/j.it.2023.02.005.Peer-Reviewed Original ResearchConceptsAnopheles salivaPlasmodium infectionInfected female mosquitoesMosquito salivary proteinsLocal host responseComponents of salivaMosquito salivaTherapeutic strategiesHost responsePlasmodium sporozoitesVector salivaPlasmodium protozoaBlood vesselsSalivaFemale mosquitoesBlood mealAnopheline mosquitoesInfectionMalariaVector-borne diseasesSkinHost-pathogen interactionsSporozoitesSalivary proteinsMosquitoesFT-GPI, a highly sensitive and accurate predictor of GPI-anchored proteins, reveals the composition and evolution of the GPI proteome in Plasmodium species
Sauer L, Canovas R, Roche D, Shams-Eldin H, Ravel P, Colinge J, Schwarz R, Ben Mamoun C, Rivals E, Cornillot E. FT-GPI, a highly sensitive and accurate predictor of GPI-anchored proteins, reveals the composition and evolution of the GPI proteome in Plasmodium species. Malaria Journal 2023, 22: 27. PMID: 36698187, PMCID: PMC9876418, DOI: 10.1186/s12936-022-04430-0.Peer-Reviewed Original ResearchConceptsGPI-APsOrder HaemosporidaGPI-APSequence diversityNew protein candidatesHost cell invasionHost-pathogen interactionsPlasmodium speciesGene duplicationHydrophobic helicesGPI anchorPlasma membraneDeletion eventsProtein candidatesProteomeCell invasionHaemosporidaProteinMalaria parasitesKey functionsDiverse groupSal-1ParasitesMalaria vaccine candidateSpecies
2022
The quality of energy- and macronutrient-balanced diets regulates host susceptibility to influenza in mice
Cootes T, Bhattacharyya N, Huang S, Daniel L, Bell-Anderson K, Stifter S, Chew T, Solon-Biet S, Saraiva L, Cai Y, Chen X, Simpson S, Feng C. The quality of energy- and macronutrient-balanced diets regulates host susceptibility to influenza in mice. Cell Reports 2022, 41: 111638. PMID: 36384123, DOI: 10.1016/j.celrep.2022.111638.Peer-Reviewed Original ResearchConceptsGrain-based chow dietOutcome of host-pathogen interactionsSusceptibility to influenzaHost resistance to infectionInterferon (IFN)-gHost-pathogen interactionsMortality to infectionDiet compositionInfluenza infectionResistance to infectionHost phenotypeChow dietInfection susceptibilityHost defenseImpact of diet compositionExtrinsic signalsMiceLaboratory rodent dietHeightened susceptibilityInfectionAdaptive homeostasisAIN93GRodent dietIndividual macronutrientsInfluenzainsectDisease: programmatic access to the Ecological Database of the World's Insect Pathogens
Dallas T, Carlson C, Stephens P, Ryan S, Onstad D. insectDisease: programmatic access to the Ecological Database of the World's Insect Pathogens. Ecography 2022, 2022 DOI: 10.1111/ecog.06152.Peer-Reviewed Original ResearchInsect host-pathogen interactionsInsect pathogensHost-pathogen associationsSpatial distribution of speciesEcological databasesHost-pathogen interactionsDistribution of speciesBiotic interactionsSpecies interactionsCurated databaseInsect hostsProgrammatic accessCuration effortsR packagePathogensInfection outcomesEcologyDistribution dataSpatial distributionSpeciesInoculationCurationHostInteractionCD55 Facilitates Immune Evasion by Borrelia crocidurae, an Agent of Relapsing Fever
Arora G, Lynn GE, Tang X, Rosen CE, Hoornstra D, Sajid A, Hovius JW, Palm NW, Ring AM, Fikrig E. CD55 Facilitates Immune Evasion by Borrelia crocidurae, an Agent of Relapsing Fever. MBio 2022, 13: e01161-22. PMID: 36036625, PMCID: PMC9600505, DOI: 10.1128/mbio.01161-22.Peer-Reviewed Original ResearchConceptsRole of CD55Fever infectionImmune evasionSurface of erythrocytesRosette formationB. crociduraeB. persicaHost factorsBorrelia crociduraeAcute febrile illnessInflammatory cytokine levelsElevated proinflammatory cytokinesExpression of CD55Causative agentErythrocyte rosette formationFacilitates Immune EvasionComplement-mediated lysisHost-pathogen interactionsCytokine levelsFebrile illnessSignificant morbidityProinflammatory cytokinesHigh-throughput screenC5a levelsCD55 expressionAn Optimized Electroporation Procedure for Genetic Transformation of Candida auris
Kasir D, Osman M, Hamze M, Bouchara J, Courdavault V, Papon N. An Optimized Electroporation Procedure for Genetic Transformation of Candida auris. Methods In Molecular Biology 2022, 2517: 89-94. PMID: 35674947, DOI: 10.1007/978-1-0716-2417-3_7.Peer-Reviewed Original Research
2018
Visualization of the type III secretion mediated Salmonella–host cell interface using cryo-electron tomography
Park D, Lara-Tejero M, Waxham MN, Li W, Hu B, Galán JE, Liu J. Visualization of the type III secretion mediated Salmonella–host cell interface using cryo-electron tomography. ELife 2018, 7: e39514. PMID: 30281019, PMCID: PMC6175578, DOI: 10.7554/elife.39514.Peer-Reviewed Original ResearchConceptsCryo-electron tomographyEffector translocationBacterial-host cell contactType III protein secretion systemProtein secretion systemHost cell interfaceProtein secretion machinesCell membraneComplex host-pathogen interactionsType III secretionHost-pathogen interactionsHost cell membraneTarget cell membraneNegative bacterial pathogensTranslocon poreSecretion machineEffector proteinsSecretion systemHost cellsBacterial pathogensCell contactCell interfaceIntimate associationTranslocationBacteriaA common approach to toxin specificity
Lee B, Bubeck Wardenburg J. A common approach to toxin specificity. Nature Microbiology 2018, 3: 644-645. PMID: 29795538, DOI: 10.1038/s41564-018-0173-z.Peer-Reviewed Original ResearchConceptsHost-pathogen interactionsGenetic integrationChemotaxis receptorsImmune proteinsStaphylococcus aureus Panton-Valentine leukocidinBiologyProteinReceptors
2017
Mycobacterium tuberculosis universal stress protein Rv2623 interacts with the putative ATP binding cassette (ABC) transporter Rv1747 to regulate mycobacterial growth
Glass LN, Swapna G, Chavadi SS, Tufariello JM, Mi K, Drumm JE, Lam TT, Zhu G, Zhan C, Vilchéze C, Arcos J, Chen Y, Bi L, Mehta S, Porcelli SA, Almo SC, Yeh SR, Jacobs WR, Torrelles JB, Chan J. Mycobacterium tuberculosis universal stress protein Rv2623 interacts with the putative ATP binding cassette (ABC) transporter Rv1747 to regulate mycobacterial growth. PLOS Pathogens 2017, 13: e1006515. PMID: 28753640, PMCID: PMC5549992, DOI: 10.1371/journal.ppat.1006515.Peer-Reviewed Original ResearchConceptsPutative ATP-binding cassette transporterCassette transportersATP-binding cassette (ABC) transportersProtein-protein interactionsNon-phosphorylatable alanineVivo growth phenotypesHost-pathogen interactionsCell envelope componentsAffinity chromatography experimentsFHA domainPhosphorylated threonineMutant displaysTwo-hybridGrowth phenotypePutative ATPProtein modulesMutant proteinsPhosphorylated residuesMycobacterial growthBiological processesInositol mannosidesPIM expressionTransportersInteractsEnvelope components
2016
Genome-wide diversity and gene expression profiling of Babesia microti isolates identify polymorphic genes that mediate host-pathogen interactions
Silva JC, Cornillot E, McCracken C, Usmani-Brown S, Dwivedi A, Ifeonu OO, Crabtree J, Gotia HT, Virji AZ, Reynes C, Colinge J, Kumar V, Lawres L, Pazzi JE, Pablo JV, Hung C, Brancato J, Kumari P, Orvis J, Tretina K, Chibucos M, Ott S, Sadzewicz L, Sengamalay N, Shetty AC, Su Q, Tallon L, Fraser CM, Frutos R, Molina DM, Krause PJ, Ben Mamoun C. Genome-wide diversity and gene expression profiling of Babesia microti isolates identify polymorphic genes that mediate host-pathogen interactions. Scientific Reports 2016, 6: 35284. PMID: 27752055, PMCID: PMC5082761, DOI: 10.1038/srep35284.Peer-Reviewed Original ResearchConceptsGene expression profilingExpression profilingGenome-wide diversityHost-parasite interactionsHost-pathogen interactionsParasite secretomeParasite evolutionIntraerythrocytic protozoan parasiteGenome compositionGenetic diversityImmuno-proteomic approachSurface proteomeGenetic variationMammalian hostsSmall mammalsSelective pressurePolymorphic genesGenesFirst insightProtozoan parasiteBabesia microtiSecretomeProteome arrayStrong host immune responseHost immune response
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