Featured Publications
Paenibacillus infection with frequent viral coinfection contributes to postinfectious hydrocephalus in Ugandan infants
Paulson J, Williams B, Hehnly C, Mishra N, Sinnar S, Zhang L, Ssentongo P, Mbabazi-Kabachelor E, Wijetunge D, von Bredow B, Mulondo R, Kiwanuka J, Bajunirwe F, Bazira J, Bebell L, Burgoine K, Couto-Rodriguez M, Ericson J, Erickson T, Ferrari M, Gladstone M, Guo C, Haran M, Hornig M, Isaacs A, Kaaya B, Kangere S, Kulkarni A, Kumbakumba E, Li X, Limbrick D, Magombe J, Morton S, Mugamba J, Ng J, Olupot-Olupot P, Onen J, Peterson M, Roy F, Sheldon K, Townsend R, Weeks A, Whalen A, Quackenbush J, Ssenyonga P, Galperin M, Almeida M, Atkins H, Warf B, Lipkin W, Broach J, Schiff S. Paenibacillus infection with frequent viral coinfection contributes to postinfectious hydrocephalus in Ugandan infants. Science Translational Medicine 2020, 12 PMID: 32998967, PMCID: PMC7774825, DOI: 10.1126/scitranslmed.aba0565.Peer-Reviewed Original ResearchConceptsPostinfectious hydrocephalusCSF samplesPIH casesPotential causative organismsCerebrospinal fluid accumulationCytomegalovirus coinfectionUgandan infantsNeonatal sepsisSurgical palliationNeonatal infectionInfant casesOptimal treatmentInfant cohortCommon causeCausative organismPediatric hydrocephalusFluid accumulationHydrocephalusAnaerobic bacterial isolatesControl casesInfectionFacultative anaerobic bacterial isolatesInfantsParasitic DNADisease
2022
Type IV Pili Are a Critical Virulence Factor in Clinical Isolates of Paenibacillus thiaminolyticus
Hehnly C, Shi A, Ssentongo P, Zhang L, Isaacs A, Morton S, Streck N, Erdmann-Gilmore P, Tolstoy I, Townsend R, Limbrick D, Paulson J, Ericson J, Galperin M, Schiff S, Broach J. Type IV Pili Are a Critical Virulence Factor in Clinical Isolates of Paenibacillus thiaminolyticus. MBio 2022, 13: e02688-22. PMID: 36374038, PMCID: PMC9765702, DOI: 10.1128/mbio.02688-22.Peer-Reviewed Original ResearchConceptsPostinfectious hydrocephalusClinical isolatesVirulence factorsCritical virulence factorPotential virulence factorsPoor long-term outcomesPrevention of hydrocephalusLong-term outcomesBacterial pathogensDevastating sequelaeNeonatal sepsisMiddle-income countriesNeonatal infectionSurgical interventionReference strainsNovel bacterial pathogensAfrican cohortBeta-lactamase genesChildhood mortalityHydrocephalusTherapeutic targetInfectionVirulent strainDevastating diseaseWhole-genome sequencingCytomegalovirus infections in infants in Uganda: Newborn-mother pairs, neonates with sepsis, and infants with hydrocephalus
Hehnly C, Ssentongo P, Bebell L, Burgoine K, Bazira J, Fronterre C, Kumbakumba E, Mulondo R, Mbabazi-Kabachelor E, Morton S, Ngonzi J, Ochora M, Olupot-Olupot P, Mugamba J, Onen J, Roberts D, Sheldon K, Sinnar S, Smith J, Ssenyonga P, Kiwanuka J, Paulson J, Meier F, Ericson J, Broach J, Schiff S. Cytomegalovirus infections in infants in Uganda: Newborn-mother pairs, neonates with sepsis, and infants with hydrocephalus. International Journal Of Infectious Diseases 2022, 118: 24-33. PMID: 35150915, PMCID: PMC9058984, DOI: 10.1016/j.ijid.2022.02.005.Peer-Reviewed Original ResearchConceptsNewborn-mother pairsCMV prevalenceClinical sepsisCytomegalovirus infectionCerebrospinal fluidPrevalence of CMVQuantitative PCRCMV positivityPostinfectious hydrocephalusVaginal sheddingCMV infectionHIV seropositivityNeonatal ageMaternal ageMaternal vaginalRisk factorsMedical CenterLong-term consequencesMother pairsSepsisNeonatesInfantsPrevalenceHydrocephalusCMV
2021
Vaginal microbiome topic modeling of laboring Ugandan women with and without fever
Movassagh M, Bebell L, Burgoine K, Hehnly C, Zhang L, Moran K, Sheldon K, Sinnar S, Mbabazi-Kabachelor E, Kumbakumba E, Bazira J, Ochora M, Mulondo R, Nsubuga B, Weeks A, Gladstone M, Olupot-Olupot P, Ngonzi J, Roberts D, Meier F, Irizarry R, Broach J, Schiff S, Paulson J. Vaginal microbiome topic modeling of laboring Ugandan women with and without fever. Npj Biofilms And Microbiomes 2021, 7: 75. PMID: 34508087, PMCID: PMC8433417, DOI: 10.1038/s41522-021-00244-1.Peer-Reviewed Original ResearchConceptsIntrapartum feverClinical variablesHigh prevalenceVaginal microbiomeUgandan womenLonger labour durationMaternal clinical featuresYoung maternal ageDuration of pregnancyOnset of laborMicrobial communitiesVaginal microbial communitiesAfebrile mothersFebrile mothersPeripartum courseMaternal feverNeonatal outcomesLabor durationClinical featuresMaternal ageVaginal microbesFeverOutcome riskVeillonella genusMicrobiome influencesIntraventricular haemorrhage in a Ugandan cohort of low birth weight neonates: the IVHU study
MacLeod R, Paulson J, Okalany N, Okello F, Acom L, Ikiror J, Cowan F, Tann C, Dyet L, Hagmann C, Burgoine K. Intraventricular haemorrhage in a Ugandan cohort of low birth weight neonates: the IVHU study. BMC Pediatrics 2021, 21: 12. PMID: 33407279, PMCID: PMC7786968, DOI: 10.1186/s12887-020-02464-4.Peer-Reviewed Original ResearchConceptsRisk of intraventricular haemorrhageLow birth weight neonatesIntraventricular haemorrhageNeonatal unitAntenatal steroidsOdds ratioGestational ageCranial ultrasoundRisk factorsProspective cohort study of neonatesAssociated with intraventricular haemorrhageCohort study of neonatesDoses of antenatal steroidsPrevention of intraventricular haemorrhageRates of SGA neonatesSeverity of intraventricular haemorrhageDay 7Study of neonatesProspective cohort studyLow-income countriesDay of recruitmentModifiable risk factorsRegional Referral HospitalSGA neonatesVaginal delivery