S. pneumoniae(2) pneumolysin (PLY).(1) bactericidal activity(1) LytA(1) pneumococcal infection(1) Salmonella Typhimurium(1) Sepsis(1) Macrophage(1) phagosome maturation(1) activating transcription factor-3 (ATF3)(1) lysophosphatidylcholine(1) LIPA(1) toll-like receptors (TLR)(1) reactive oxygen species(1) Infection(1)