Microbial natural products.

represent one of the richest sources of chemical diversity and potential drug leads. Despite the availability of alternative sources provided by the technological advances, about 30% of the worldwide sale of drugs is based on natural products. Secondary metabolites of bacterial origin include pigments, antibiotics, immunomodulators, antidiabetic and anti-cancer compounds.3

Others bacterial pigments.

Pyocyanin from Pseudomonas Aeruginosa

Violacein from Chromobacterium Violaceum