2025
Structural basis of promiscuous inhibition of Listeria virulence activator PrfA by oligopeptides
Hainzl T, Scortti M, Lindgren C, Grundström C, Krypotou E, Vázquez-Boland J, Sauer-Eriksson A. Structural basis of promiscuous inhibition of Listeria virulence activator PrfA by oligopeptides. Cell Reports 2025, 44: 115290. PMID: 39970044, DOI: 10.1016/j.celrep.2025.115290.Peer-Reviewed Original ResearchConceptsDNA-binding helix-turn-helix motifInhibit virulence gene expressionVirulence gene expressionPathogen Listeria monocytogenesPrfA activityVirulence factorsPrfAMaster regulatorsHydrophobic residuesInhibitory bindingGene expressionStructural basisBinding promiscuityPeptide bindingBinding sitesConformational changesPeptide residuesOligopeptidesPeptideInhibitory peptidesBindingPeptide backboneResiduesPromiscuous inhibitionExpression
2019
Control of Bacterial Virulence through the Peptide Signature of the Habitat
Krypotou E, Scortti M, Grundström C, Oelker M, Luisi B, Sauer-Eriksson A, Vázquez-Boland J. Control of Bacterial Virulence through the Peptide Signature of the Habitat. Cell Reports 2019, 26: 1815-1827.e5. PMID: 30759392, PMCID: PMC6389498, DOI: 10.1016/j.celrep.2019.01.073.Peer-Reviewed Original ResearchMeSH KeywordsBacterial ProteinsEcosystemGene Expression Regulation, BacterialHumansListeria monocytogenesMutationPeptidesVirulenceConceptsBacterial virulenceControl of bacterial virulenceFacultative intracellular bacterium Listeria monocytogenesOpp transport systemIntracellular bacterium Listeria monocytogenesBacterium Listeria monocytogenesGSH-binding siteVirulence programCo-crystallization studiesNutritional peptidesPrfAGenetic screeningTranscriptional activityOrganic N sourcesVirulenceNon-cysteine-containing peptidesSteric blockadeHost entryRegulation mechanismBinding sitesPeptide signaturesActive peptidesPeptideN sourcesOligopeptides
2017
Listeria Placental Infection
Vázquez-Boland J, Krypotou E, Scortti M. Listeria Placental Infection. MBio 2017, 8: 10.1128/mbio.00949-17. PMID: 28655824, PMCID: PMC5487735, DOI: 10.1128/mbio.00949-17.Peer-Reviewed Original ResearchMeSH KeywordsFemaleHumansInfectious Disease Transmission, VerticalListeria monocytogenesListeriosisPlacentaPregnancyConceptsCongenital neonatal infectionsAdverse pregnancy outcomesAbsence of overt illnessSystemic bacterial infectionNonhuman primate modelFetal complicationsCausative agent of listeriosisNeonatal infectionPreterm birthPregnancy outcomesPregnant womenFood-borne infectionsBacterial infectionsPrimate modelTransplacental infectionInfectionOvert illnessMedical interventionsCausative agentListeriosisComplicationsMiscarriageStillbirthPathophysiologyBirth
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