Host-Pathogen InteractionsHost-Parasite InteractionsHost SpecificityCell LineBacterial ProteinsToxoplasmaVirulenceVirus ReplicationBacterial AdhesionVirulence FactorsHeLa CellsAmino Acid SequenceViral ProteinsMacrophagesProtozoan ProteinsMutationBase SequenceSymbiosisEscherichia coliVacuolesVirus InternalizationLegionella pneumophilaCells, CulturedCercopithecus aethiopsEpithelial CellsDNA, ViralGene Expression Regulation, BacterialAdhesins, BacterialVero CellsSpecies SpecificityBacterial Secretion SystemsProtein BindingHost Cell Factor C1Immunity, InnatePlasmidsTrypanosoma cruziMice, Inbred BALB CMolecular Sequence DataCricetinaeReceptors, VirusPhylogenyProtein TransportSalmonella typhimuriumShigella flexneriBacteriophagesRNA, ViralMice, Inbred C57BLCell MembranePlant DiseasesToxoplasmosisVirionListeria monocytogenesVirus AttachmentGenes, BacterialParasitesPhagosomesGenome, ViralGene Expression Regulation, ViralBacterial Outer Membrane ProteinsModels, BiologicalSequence Analysis, DNAMembrane ProteinsSignal TransductionImmune EvasionLife Cycle StagesChlamydia trachomatisVirus Physiological PhenomenaMicroscopy, ElectronIntegration Host FactorsDNA, BacterialMicroscopy, FluorescenceChlamydiaBacterial ToxinsHIV-1Protein Structure, TertiaryCloning, MolecularTranscription, GeneticCytoplasmPhagocytosisVirus IntegrationAntigens, BacterialEnteropathogenic Escherichia coliGene DeletionMicroscopy, Electron, TransmissionSequence Homology, Amino AcidFibroblastsSequence AlignmentGene Expression ProfilingRecombinant ProteinsLysogenyRickettsia prowazekiiYersinia pseudotuberculosisMicrobial ViabilityEscherichia coli ProteinsApicomplexaGene Expression RegulationGenes, ViralTime FactorsViral Envelope ProteinsErythrocytes