Isolation and study of azobenzene-transforming soil bacteria

Heterotrophic bacteria were isolated from soil and glass slides and classified as Bacillus cereus SNK12, Paenibacillus polymyxa SNK2, Azotobacter chroococcum ANKII, and Ochrobactrum intermedium ANKI. Their cultures could degrade azobenzene under the conditions of co-metabolism. A rapid test for the ability of bacteria to transform azobenzenes is proposed.