SMOX and infection: (E) BMDM cells were primed overnight with 1 μg/ml Pam3CSK4, followed by transfection of 2 μg/ml lipopolysaccharide (LPS) using DOTAP with the incubation of VgrG2b knockin (KI) ΔRetS PAO1 at a multiplicity of infection (MOI) of 30 for 2 hr.