1. Department of Botany and Microbiology, Addiriyah Chair for Environmental Studies, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
2. Division of Microbiology, Entomology Research Institute, Loyola College, Chennai 600034, India
3. Visiting Professor Programme, Deanship of Scientific Research, College of Science, King Saud University, Saudi Arabia