TABLE 4.

Genes whose expression was most affected by constitutively phosphorylated CpxR as measured by DNA microarray analysis^a

ORF	Gene	Description of gene product	Median log2ratio of expression levelsb	SD
HD1435	ompP2B	Outer membrane protein P2 homolog	2.30	0.15
HD1590	deaD	Cold shock DEAD box protein A	2.13	0.15
HD0386	apbE	Thiamine biosynthesis lipoprotein	1.88	0.05
HD1162	ribE	Riboflavin synthase, alpha chain	1.78	0.13
HD0312	dppB	Dipeptide transport system permease protein	1.74	0.17
HD1629	lolB	Outer membrane lipoprotein LolB	1.67	0.15
HD0792	ccmF	Cytochrome c-type biogenesis protein	1.57	0.17
HD1179	ksgA	Dimethyladenosine transferase	1.56	0.57
HD0634	accB	Biotin carboxyl carrier protein of acetyl coenzyme A (acetyl-CoA) carboxylase	1.48	0.17
HD0635	accC	Biotin carboxylase	1.46	0.11
HD0068	ftpA	Fine tangled pilus major subunit	−1.19	0.08
HD1077	ogt	Methylated-DNA-protein-cysteine S methyltransferase	−1.25	0.07
HD1326	hhdB	Hemolysin activation/secretion protein	−1.37	0.44
HD1525	gam	Putative mu phage host nuclease inhibitor protein	−1.38	0.10
HD0740	hflX	GTP binding protein HflX	−1.46	0.12
HD1391	moaC	Molybdenum cofactor biosynthesis protein C	−1.57	0.55
HD1392	moaA	Molybdenum cofactor biosynthesis protein A	−1.80	0.52
HD0232	arcB1	Ornithine carbamoyltransferase	−3.10	0.13

^aThe table does not include ORFs described as encoding hypothetical or conserved hypothetical proteins.

^bMedian log₂ ratio of expression levels from comparisons of 35000HPΔcpxA to 35000HP in three independent experiments (P < 0.05).