Invitro antimicrobial potentials of marine Oscillatoria species

The in vitro antimicrobial efficacy of the marine cyanobacteria was examined against grampositive and gram-negative bacteria. The pyridine and n- butanol extract of Oscillatoria subrevis and O. amphibia exhibited broad spectrum of antibacterial activity. The study revealed that O. subbrevis (18, 15, 14 and 10 mm) showed the better results against Vibrio pathogens tested. The organic solvents of cyanobacterial extracts of pyridine, n-butanol showed the activity against selected five Vibrio pathogens. The different activity in different extracts suggests different compounds with different polarities.

Author(s): M. Prabakaran

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