1 Human Health Therapeutics Research Center, National Research Council Canada, Ottawa, ON, Canada; Department of Biological Sciences, Brock University, St. Catharines, ON, Canada. Electronic address: wangxue.chen@nrc.gc.ca.
2 Laboratory of Intracellular Bacterial Pathogens, Department of Microbial Biotechnology, National Center for Biotechnology (CNB)-CSIC, Madrid, Spain. Electronic address: fgportillo@cnb.csic.es.
3 Department of Bacteriology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran. Electronic address: amin.talebi@modares.ac.ir.