1. Department of Biology, Mount Allison University, Sackville, New Brunswick, E4L 1G7, Canada
2. Digital Microscopy Facility, Mount Allison University, Sackville, New Brunswick, E4L 1G7, Canada
3. Faculty of Medicine, University of British Columbia, Victoria, British Columbia, V9C 1A3, Canada
4. Department of Microbiology and FST, GITAM School of Science, GITAM, Rushikonda, Visakhapatnam, 530045, India