Here is a list of top fifteen antibacterials. 1. Ionophores: These polyether antibiotics are fermentation products of Streptomyces species. Monensin, salinomycin, narasin and lasalocid are the commonly used substances in this group. Maduramycin and semduracin are the newer ionophore antibiotics. Monensin: This antibiotic alters the cell permeability. It is obtained from Streptomyces cinnamonensis. By complexing […]