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Antibacterial Activity of some Cyanobacteria in Basrah Governorate | ||
| Journal of Basrah Researches (Sciences) | ||
| Article 1, Volume 37, Issue 1, 2011, Pages 22-32 PDF (0 K) | ||
| Authors | ||
| Ali A.Shareef; Amin A.A.AL-Salami | ||
| Abstract | ||
| Six species of cyanobacteria: Chroococcus limneticus , Microcystis aeruginosa , Merismopedia Trolleri , Oscillatoria sp., Anabaena cylinderica and Tolypothrix nodosa. were isolated from different locations in Basrah.Hexane, chloroform, methanol extracts of those species were tested to detect their ability on growth inhibit of some representatives of Gram-negative and Gram-positive bacteria. Methanol extracts of T.nodosa showed higher inhibitory effect, whereas hexane extracts of M. Trolleri , Oscillatoria sp. showed moderate antibacterial activity. Chloroform extracts present the lowest antibacterial activity of A. cylindrical .Methanol extract of T. nodosa was selected for the identification of bioactive compounds depending on the bioactive compounds tests and spectroscopic analyses including: Infrared (IR); Nuclear Magnetic Resonance spectroscopy (NMR); and Gas Chromatography/ Mass spectrum (GC/MS) the. Results indicate that one compound is a nucleoside which is derivative of tubercidin . | ||
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