Isolation and identification of a new antibacterial entity from the Antarctic cyanobacterium Nostoc CCC 537
1 Department of Biology, Faculty of Science, Tarbiat Moallem University, Tehran, Iran. 2 Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran. 3 Department of Applied Chemistry and Microbiology, University of Helsinki, P. O. Box 56, Viikki Biocenter, Viikinkaari 9, FIN-00014 Helsinki, Finland. 4 Department of Biotechnology, Shahid Beheshti University of Medical Sciences, Tehran, Iran. 5 Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.