Table 2. defined as the ratio of mean fluorescence (μ) and defined as the ratio of the standard deviation (σ) of the fluorescence distribution of empty vector (EV) control and autofluorescence (AF) that were obtained for common B. subtilis and E. coli promoter reporter fusion vectors.

		D	S
pGFPamy	( B. subtilis ) *	2.13±0.20	2.15±0.39
pYFPamy	( B. subtilis ) *	1.87±0.12	2.69±0.18
pCFPamy	( B. subtilis ) *	1.16±0.08	1.21±0.09
pGFPbglS	( B. subtilis ) *	1.47±0.07	1.46±0.13
pUA139	( E. coli ) #	1.22	1.25

* OD_600nm = 5;

^#OD_600nm = 4.