De Leo et al. identify a lysosomal response to autophagic cargo during lysosome–autophagosome fusion that involves TLR9 activation and OCRL recruitment, and leads to a regulated local increase in PtdIns(4,5)P2, which is necessary for a normal autophagic flux.
- Maria Giovanna De Leo
- Leopoldo Staiano
- Maria Antonietta De Matteis