Table 2.

Expression of dtpT-lacZ fusions

Strain	Fusion promoter	Relevanta genotype	β-Galactosidase activity	Fold regulation
				codY/codY+	scoC/scoC+
BB3928	dtpT279p+	wild type	4.30	0.15	6.9
BB3929		scoC	29.8	1.0
BB3930		codY	0.64		47.3
BB3931		codY scoC	30.3
BB4057		scoCp1	1.01	0.89
BB4059		codY scoCp1	0.90
BB3954	dtpT279p1	wild type	7.63	0.14	4.7
BB3958		scoC	36.2	0.93
BB3957		codY	1.08		31.3
BB3959		codY scoC	33.8
BB3970	dtpT279p2	wild type	0.41		1.2
BB3973		scoC	0.48
BB3971	dtpT279p3	wild type	17.6	0.74	1.1
BB3975		scoC	20.2	0.96
BB3976		codY	13.0		1.5
BB3982		codY scoC	19.3
BB3978	dtpT279p4	wild type	10.5	0.94	1.1
BB3983		scoC	11.4	0.86
BB3984		codY	9.91		1.0
BB3987		codY scoC	9.93
BB4047	dtpT84p+	wild type	47.8	0.71	1.2
BB4049		scoC	56.0	1.1
BB4048		codY	33.8		1.9
BB4050		codY scoC	62.9

Cells were grown and β-galactosidase activity was assayed as described in Table 1.

^ascoCp1 is a promoter mutation; other mutations are null.