TABLE 4.

Genes repressed by the autoclaved E. coli stationary-phase supernatant^a

Gene	b no.	Expression ratio	Description
Known functions
phoB	b0399	−35.7	Phosphate regulon regulatory protein PhoB
nupC	b2393	−8.8	Nucleoside permease (nucleoside-transport system protein)
phoU	b3724	−6.5	Phosphate transport system regulatory protein
phoR	b0400	−5.6	Phosphate regulon sensor protein PhoR
argT	b2310	−5	Lysine-arginine-ornithine-binding periplasmic protein precursor
nlpC	b1708	−4.5	Probable lipoprotein N1pC precursor
dsdX	b2365	−4.4	DsdX permease
gltB	b3212	−3.4	Glutamate synthetase, large subunit
ompF	b0929	−3.3	Outer membrane protein f precursor
guaC	b0104	−3.2	GMP reductase
phoE	b0241	−3.2	Outer membrane pore protein E
bcr	b2182	−3.1	Bicyclomycin resistance protein (sulfonamide resistance)
nupG	b2964	−3	Nucleoside-transporting protein NupG
carA	b0032	−2.7	Carbamoyl-phosphate synthetase glutamine chain
gltD	b3213	−2.6	Glutamate synthetase beta subunit
carB	b0033	−2.5	Glutamine-hydrolyzing
ldcC	b0186	−2.4	Lysine decarboxylase, constitutive
rfbX	b2037	−2.3	O-antigen transporter
sdiA	b1916	−2.3	SdiA regulatory protein
grxA	b0849	−2.1	Glutaredoxin 1
phoH	b1020	−2.1	PhoH protein (phosphate starvation-inducible protein PsiH)
aroP	b0112	−2	Aromatic amino acid transport protein AroP
flgJ	b1081	−2	Flagellar basal body protein FlgJ
pyrE	b3642	−2	Orotate phosphoribosyltransferase
Unknown functions
yciH	b1282	−5.1	Hypothetical protein
b2063	b2063	−4.9	Putative transport, not classified
b2639	b2639	−3.9	Unknown
b1017	b1017	−3.5	Unknown
b1018	b1018	−3.1	Unknown
b1520	b1520	−3	Open reading frame, unknown
ycdB	b1019	−2.9	Hypothetical protein
yffG	b2468	−2.6	Putative enzyme, not classified
yafL	b0227	−2.5	Hypothetical protein
ybgC	b0736	−2.2	Hypothetical protein

^aBoldfaced designations indicate genes repressed by both FCM and ACM.