1. Microbiology and Microbial Biotechnology Graduate Program, Department of Biology, Wollega University, Nekemte, Ethiopia
2. Industrial Biotechnology Unit, Department of Biotechnology, Wolkite University, Wolkite, Ethiopia
3. Environmental Biotechnology Unit, Biotechnology Institute, Addis Ababa University, Addis Ababa, Ethiopia
4. Environmental Biotechnology Directorate, Ethiopian Biotechnology Institute, Addis Ababa, Ethiopia