Table 1.

Genome-wide identification of genes regulated by AbrB

Gene	Ratio*	Function	AbrB-repressed?
lip	11.3	Extracellular lipase	Yes†
pnbA	3.6	Intracellular esterase	Yes†
pspA	4.9	Cold and alkaline shock protein	Yes‡
sdpA	3.6	Cannibalism	Yes
sipW	3.8	Sporulation/biofilm formation	Yes
skfD	10.2	Cannibalism	Yes
tasA	3.9	Sporulation/biofilm formation	Yes
tlpA	6.6	Chemotaxis	Unknown
ybdN	6.7	Unknown	Yes†
ybdO	7.3	Unknown	Yes†
ybfO	4.4	Similar to erythromycin esterase	Yes†
ycbJ	3.4	Similar to macrolide 2′-phosphotransferase	Yes†
ydaF	3.2	Similar to acetyltransferase	Unknown
ydjG	3.6	Unknown	Yes‡
ydjH	5.2	Unknown	Yes‡
yfhS	2.9	Unknown	Unknown
yhaP	3.2	Unknown	Yes†
yknW	2.6	Unknown	Yes
yknX	5.2	Unknown	Yes
yknY	7.4	Unknown	Yes
ylqB	5.2	Unknown	Yes†
ywoF	4.3	Unknown	Yes†
yxaL	3.6	Unknown	Yes†

*Ratio of RNA levels in thrC::P_hyperspank-abbA erm to ΔabbA::tet strains. The cutoff was a ratio of at least 2.5 in at least three of the five arrays.

^†M. A. Strauch, personal communication.

^‡Indirectly via σ^W.