1. Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Beibei, P.R. China.
2. Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Assuit Branch, Assuit, Egypt.