1. Laboratory of Functional Genomics and Research Centre on RNA Biology of the Université de Sherbrooke, Sherbrooke, Quebec J1E 4K8, Canada, 2Department of Biochemistry, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, Quebec J1E 4K8, Canada and 3Department of Microbiology and Infectious Diseases, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, Quebec J1E 4K8, Canada