ISSN: 0973-7510

E-ISSN: 2581-690X

Shalini Nair and B. Valentin Bhimba
1Department of Biotechnology, Sathyabama University, Chennai – 600 19, India.
J Pure Appl Microbiol. 2014;8(2):1115-1118
© The Author(s). 2014
Received: 26/06/2013 | Accepted: 18/08/2013 | Published: 31/04/2014
Abstract

The present study was aimed to collect and identify the cyanobacteria from kovalam beach, Tamilnadu, India. Totally three species of marine cyanobacteria were isolated and cultured in BG11 medium. According to their growth characteristics the three species were confirmed with the comparison of the control obtained from NFMC, Tiruchirapalli. They were Oscillatoria salina, Oscillatoria boryana, Oscillatoria laetrivirans . These cyanobacteria were tested for the production of antimicrobial agents against Bacillus subtilis, Staphylococcus aureus, Streptococcus mutans, E.coli and Klebsiella pneumoniae. The antimicrobial activity of the extract were based on the gram character of the cells i.e., antimicrobial activity of ethanol and acetone on the gram negative bacteria and methanol extracts on gram positive bacteria were done.

Keywords

Marine cyanobacteria, antimicrobial activity

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