Pathogenic bacteria use molecular “shuttle services” to fill their injection apparatus with the right product Peer-Reviewed Publication MAX-PLANCK-GESELLSCHAFT SINGLE-PARTICLE TRACKING PHOTOACTIVATED LOCALIZATION MICROSCOPY (SPTPALM) IS A TECHNIQUE TO VISUALIZE THE MOVEMENT OF INDIVIDUAL PROTEINS. WHILE SOME OF THE SHUTTLE COMPONENTS OF THE INJECTISOME ARE BOUND TO THE NEEDLES (WHITE, FIRMLY BOUND DOTS ON THE OUTSIDE...