Institution: | (1) Sector 39-A, Insitute of Microbial Technology, 160 036 Chandigarh, India;(2) Present address: Department of Physiology and Biophysics, University of Iowa, Iowa, USA;(3) Present address: Deptartment of Molecular Biology and Genetics, Johns Hopkins School of Medicine, 725 North Wolfe Street, PCTB 504, Baltimore, MD, USA |