1. Department of Applied Biology, Faculty of Science, University of Sharjah, PO Box 27272, Sharjah, UAE.
2. Departmento de Biología Vegetal, Universidad de Málaga, P.O. Box 59, 29080, Málaga, Spain.
3. Department of Botany and Microbiology, Faculty of Science, Alexandria University, Egypt.
4. Department of Biotechnology, Faculty of Agriculture, Al-Azhar University, Cairo, Egypt.