Fig. 1
From: Identification of Enterococcus faecalis enzymes with azoreductases and/or nitroreductase activity

Nitroreductase activity of E. faecalis strains. Kinetics of reduction of 7NCCA by 8 different E. faecalis strains (EF) and one E. coli strain (EC) followed as variation of fluorescence intensity at 365/440 nm in relative fluorescence unit (RFU) over 24 h. E. coli strain is used as positive control for nitroreductase activity