1. David Braley Center for Antibiotic Discovery, M.G. DeGroote Institute for Infectious Disease Research, Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario L8S 4K1, Canada
2. Department of Microbiology, Chemical Bioactive Center, Central University Marta Abreu de las Villas, Santa Clara 54830, Villa Clara, Cuba
3. Department of Animal Sciences, Purdue University College of Agriculture, West Lafayette, Indiana 47907, United States
4. Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario N1G 2W1, Canada
5. Novartis Institutes for Biomedical Research, 250 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States