TABLE 1.

Characteristics of rifampin-responsive promoters in S. enterica serovar Typhimurium 14028

Promoter	Luminescence (cps) witha:						Fold induction for LB with rif atb:		Putative function
	LB	SD	LB with rif 2.5 μg/ml	SD	LB with rif 5.0 μg/ml	SD	2.5 μg/ml	5.0 μg/ml
STM2899/invF	61,605	15,125	1,139	244	295	72	↓54.1	↓209.2	Virulence, invasion
STM1091/sopB	44,671	10,443	853	309	274	105	↓52.3	↓163.0	Virulence, invasion
STM2066/sopA	16,133	5,246	224	141	140	61	↓72.1	↓115.2	Virulence, invasion
STM4255 to -4258	3,172	596	203	54	240	27	↓15.7	↓13.2	Virulence
STM1956/fliA (σF)	147,748	61,007	22,000	2,265	4,598	562	↓6.7	↓32.1	Flagellum synthesis
STM1914/flhBA	6,553	2,634	1,407	247	251	40	↓4.7	↓26.1	Flagellum synthesis
STM1183/flgK	93,550	8,524	25,533	3,462	5,222	2,221	↓3.7	↓17.9	Flagellum synthesis
STM2199/cirA	2,169	757	673	645	516	374	↓3.2	↓4.2	Iron metabolism
STM1328	2,480	150	113	46	100	38	↓21.9	↓24.9	Unknown
STM1248	2,806	386	150	72	148	54	↓18.7	↓19.0	Unknown
STM1444/slyA	1,029	316	2,558	787	5,223	473	2.5	5.1	Virulence, systemic
STM1154 to -1155/yceE, htrB	10,040	3,041	26,165	7,776	38,305	5,030	2.6	3.8	Virulence, systemic
pSLT041-39/spvRAB	3,688	515	7,017	5,170	13,230	3,942	1.9	3.6	Virulence, systemic
STM4118/yijP	2,633	619	3,941	626	8,688	1,821	1.5	3.3	Virulence
STM4454/treB	4,179	1,430	17,662	3,545	54,241	5,188	4.2	13.0	Carbon metabolism
STM2445/ucpA	12,867	3,627	26,283	6,120	46,325	11,770	2.0	3.6	Carbon metabolism
STM1597/ydcW	1,992	472	2,361	106	6,441	1,651	1.2	3.2	Carbon metabolism
STM2473/talA	3,149	660	4,543	1,054	9,194	1,340	1.4	2.9	Carbon metabolism
STM0425/thiI	1,927	324	5,245	2,685	15,918	2,758	2.7	8.3	RNA modification
STM3595, STM3084	824	29	2,157	165	19,686	775	3.0	24.0	Unknown
STM0389/yaiA	2,590	506	4,721	2,093	10,180	4,030	1.8	3.9	Unknown
STM2287	2,740	1,164	3,557	617	7,697	981	1.3	2.8	Unknown

^acps, counts per second; rif, rifampin; SD, standard deviation.

^bDown arrows indicate RIDR.