“…Rabbit anti‐proteolipid subunit of vATPase antiserum was from Mhairi Skinner (University of Guelph, Canada) (58); rabbit anti‐vATPase E‐subunit was from Dennis Brown (Massachusetts General Hospital, Boston, MA, USA) (59); rabbit anti‐Rab7 serum was from Marino Zerial (Max‐Planck‐Institute for Molecular Cell Biology and Genetics, Dresden, Germany) (60); a mouse monoclonal antibody to LBPA was from Jean Gruenberg (Department of Biochemistry, University of Geneva, Switzerland) (5); monoclonal mouse antibody to Rab5 (clone Cl 621.1) was from Wolfram Antonin and Reinhard Jahn (Max‐Planck‐Institute for Biophysical Chemistry, Göttingen, Germany) (61); rabbit anti‐EEA1 used in Figure 9 was from Silvia Corvera (University of Massachussetts, Worcester, MA, USA) (62); rabbit antiserum to mouse coronin‐1 (also known as TACO protein) was from Jean Pieters (Biocenter, University of Basel, Switzerland) (63); rabbit antibodies to cathepsin D were from Eiki Kominami (Juntendo University, Tokyo, Japan) (64); monoclonal rat anti‐murine LAMP1 (clone 1D4B) and anti‐murine LAMP2 (clone ABL‐93) monoclonal antibodies (65) were obtained from the Developmental Studies Hybridoma Bank (maintained by the University of Iowa; http://www.uiowa.edu/~dshbwww/info.html) and monoclonal antibody purified from the hybridoma supernatant, while anti‐TfR (TIB‐219) was purified from hybridomas obtained from the American Type Culture Collection (Manassas, VA, USA). Polyclonal antibodies to R. equi serotypes 1 or 6 were from Christoph Lämmler (Institute of Pharmacology and Toxicology, University of Giessen, Germany) (66).…”