We observed a loss of GFP-ATF6-FL, as expected, and a concomitant and robust accumulation of a fragment of ATF6 fused to GFP at a MW of ∼60 kD (GFP-ATF6-LMW) 5 h post infection with WT L.p. but not ΔdotA L.p. (Fig 2D). This evidence concerns the gene ATF6 and infection.