Fluorescence micrographs showing detection of intracellular H₂O₂ in ECaNEp cells infected with M. mycoides subsp. mycoides SC at an MOI of 500 mycoplasmas per cell. ECaNEp cells 20 min after infection with strain Afadé in the absence (A) and in the presence of glycerol (B), or with strain Afadé pre-treated with anti-GlpO IgG (C) or with anti-GlpOΔFAD IgG (D) in the presence of glycerol.