Vancomycin
Vancomycin is complex tricyclic glycopeptide antibiotic which was discovered in 1956 as a substitute for penicillin. It is obtained from fungus Streptomyces orientalis. It possesses […]
Gram-positive
Tetracyclines
Tetracyclines are broad spectrum antibiotics, discovered in the 1940s. Chlortetracycline is the first tetracycline to be identified. It was isolated from Streptomyces aureofaciens. Tetracyclines are […]