…any of a group of polypeptide antibiotics that are active chiefly against Gram-negative bacteria…
…a bacterium that causes diphtheria in humans and similar diseases in other animals…
…a fatal bacterial disease of larval honeybees…
…an antibiotic with a wide range of activity, used in many medicinal preparations…
…an antibiotic typically used topically for skin and eye infections…
…a bacterial disease of beetle larvae, including the Japanese beetle; the bacterium has been isolated and used in a commercial pesticide sold under the same name…
