TABLE 3.

Genes with decreased expression in ΔrseA strain, as compared with ΔrpoE

ID	Gene	Ratioa	Description of gene product	Characteristic
Transporter activity
XCC2867	btuBb	−1.97	TonB-dependent transporter	Transport; membrane
XCC3316	-b	−1.73	TonB-dependent transporter	Transport; membrane
XCC2497	-b	−1.61	Pseudo-TonB-dependent transporter/Oar like	Transport; membrane
XCC3271	-b	−1.54	Pseudo-TonB-Dependent Transporter/Oar like	Transport; membrane
XCC1892	cirAb	−1.39	TonB-dependent transporter	Transport; membrane
Regulatory function
XCC3677		−9.64	Putative two-component system sensor kinase	Two-component signal transduction system (phosphorelay)
XCC1935	rpoN2	−1.54	RNA polymerase σ54 factor	Transcription initiation
XCC1276		−1.50	Putative sensor/response regulator hybrid	Two-component signal transduction system (phosphorelay)
Metabolism
XCC2410		−23.07	Ketoglutarate semialdehyde dehydrogenase	Metabolic process
XCC2295		−1.68	Putative polyhydroxyalkanoate synthesis repressor
XCC3324	ilvB	−1.57	Acetolactate synthase	Branched-chain family amino acid biosynthetic process
XCC0550	atpF	−1.55	F0F1 ATP synthase subunit B	ATP synthesis-coupled proton transport
Nucleic acid metabolic process
XCC2904	hsdS	−7.86	Type I restriction enzyme (specificity chain) homologue	DNA modification
XCC0377	mnmG	−1.38	Pyridine nucleotide-disulfide oxidoreductase, class II	tRNA processing
Catalytic activity
XCC0700	-b	−1.39	Putative peptidase S15	Proteolysis
Motility and attachment
XCC3232	pilM	−1.35	Type IV pilus assembly protein PilM	Pilus assembly
Cell envelope
XCC3017	ompP6b	−.53	Outer membrane protein P6 precursor (OmpA family)	Cell outer membrane
Oxidative stress function
XCC1109	katE	−5.64	Catalase	Response to oxidative stress
Unknown function
XCC1080		−5.74	Hypothetical protein
XCC2823		−1.37	Hypothetical protein

^aRatio, averaged expression ratio of σ^E induced (ΔrseA)/no σ^E (ΔrpoE).

^bA predicted cleavable signal sequence.