PLCL1 and infection: S. aureus cells were more frequently seen to have accumulated in Rab7- and LC3-double-positive SAcVs in PRIP-DKO MEFs than in WT MEFs at both 3 and 4.5 h post-infection (Figure S1B–D), suggesting the attenuation of autophagic flux in PRIP-DKO MEFs.