1Department of Genetic Engineering and Biotechnology, School of Life Science, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh, E-mail: anwar.s@gmail.com
2Resource Conservation (INRES), University of Bonn, Karlobert-Kreiten-Str. 13, D-53115 Bonn, Germany, E-mail: anwar.s@gmail.com