Extract of pyocyanin from marine Pseudomonas aeruginosa and its antibacterial effect against some pathogenic bacteria

Pyocyanin was extracted from cultures of Pseudomonas aeruginosa, which was isolated from sea water by chloroform. Results study the effect of pyocyanin against human pathogenic bacteria, which were isolated from Al-Assad hospital laboratory in Lattakia, with disk diffusion method showed that pyocyanin has antibacterial activity against Gram- positive bacteria.