Opsonin ProteinsPhagocytosisComplement C3Complement System ProteinsComplement ActivationComplement Pathway, ClassicalComplement Pathway, AlternativeImmune SystemNeutrophilsComplement C3bBlood Bactericidal ActivityComplement C2Antibodies, BacterialImmunoglobulin GComplement C3cLuminescent MeasurementsReceptors, ComplementImmune SeraMacrophagesAntigen-Antibody ComplexProperdinZymosanMacrophage-1 AntigenRespiratory BurstImmune ToleranceImmunity, InnateComplement C1Antigens, BacterialPhagocytesStaphylococcus aureusCollectinsAntibodies, FungalStreptococcus pyogenesStreptococcus pneumoniaeBacterial CapsulesCryptococcusComplement C1qStreptococcus agalactiaePolysaccharides, BacterialReceptors, Complement 3bComplement Factor BImmunoglobulin MComplement Fixation TestsMice, Inbred BALB CDendritic CellsReceptors, IgGBacterial Outer Membrane ProteinsMice, Inbred C57BLPrevotella melaninogenicaCryptococcus neoformansStaphylococcal Protein ACytokinesPhagosomesImmunoglobulinsImmune EvasionMannansMannose-Binding LectinCells, CulturedMonocytesBacterial ProteinsComplement C4Immunity, CellularImmunoglobulin IsotypesFlow CytometryT-LymphocytesImmunologic Deficiency SyndromesImmunization, PassiveBacteroidesEscherichia coliImmunityBacteroides fragilisAntibodies, MonoclonalBacterial VaccinesDose-Response Relationship, ImmunologicImmune Complex DiseasesImmune System DiseasesEpitopesAntibodiesEnzyme-Linked Immunosorbent AssayComplement Factor HComplement C3-C5 ConvertasesLymphocyte ActivationMannose-Binding LectinsAntibody FormationErythrocytesCarrier ProteinsAntibody SpecificityComplement C5Macrophages, PeritonealLipopolysaccharidesMice, KnockoutStreptococcal InfectionsRabbitsLectins, C-TypeVirulenceSpleenReceptors, FcImmunoglobulin Fab FragmentsAntigens, SurfaceHot Temperature