""'Streptomyces lusitanus " "'is a bacterium species from the genus of " Streptomyces " which has been isolated from soil . " Streptomyces lusitanus " produces 7-chlortetracycline, naphthyridinomycin, cyanocycline B, N-desmethylnaphthyridinomycin and tetracycline.
12.
Chloromycetin or Chloramphenicol in 1947, which was used against typhoid and is effective against a wide range of bacteria, although it has some adverse side effects and many typhi are presently resistant to it; Aureomycin ( or Chlortetracycline, the first tetracycline to be discovered ) in 1948; Adrenocorticotropic hormone ( ACTH ) and Neomycin in 1949; Terramycin or Tetracycline in 1950 which was used against cholera; as well as two of the antibiotics in the category Macrolide : Carbomycin and Erythromycin in 1952.
