Document Type : Research Paper
1 Department of Biology, Hamedan Branch, Islamic Azad University, Hamedan, Iran.
2 Biotechnology dept- Iranian Research Organization for Science and Technology
3 Research Center for Molecular Medicine, Hamedan University of Medical Science, 65178 Hamedan Iran.
4 Department of Biotechnology Iranian Reasearch Organization for Science and Technology, Tehran, P. O. Box 3353-5111, Iran.