HDAC6 and infection: Bacterial entry was similar in Hdac6+/+ and Hdac6-/- DCs at 0 h post-infection (hpi), while bacterial proliferation, measured at 6 hpi, was significantly higher in Hdac6-/- BMDCs for both types of intracellular pathogens, Lm and S. Typhimurium (Fig 1B).