TABLE 3.

Flagellar and chemotaxis genes

Gene	Function	Log2 pH ratioa			Classb
		5/7	8.7/7	8.7/5
cheA	Chemotaxis sensor kinase	−1.125	−3.199	−2.0474	BL
cheB	Protein methylesterase	−1.050	−1.578	−0.528	BL
cheR	Chemotaxis MCPc methyltransferase	−0.564	−1.013	−0.448	BL
cheW	Chemotaxis signal transducer	−1.336	−2.785	−1.449	BL
cheY	Response regulator for chemotactic signal	−1.089	−1.310	−0.221	BL
cheZ	CheY-P phosphatase	−1.505	−3.199	−1.694	BL
flgA	Flagellar synthesis	−0.261	−1.056	−0.795	BL
flgB	Basal body rod subunit	−0.192	−1.120	−0.928	BL
flgC	Basal body rod subunit	−0.257	−1.241	−0.984	BL
flgD	Basal body rod modification	0.133	−1.241	−1.107	BL
flgE	Hook subunit	0.272	−0.856	−1.128	BL
flgF	Basal body rod subunit	0.109	−1.239	−1.348	BL
flgG	Basal body rod major subunit	0.220	−1.116	−1.335	BL
flgI	Basal body P-ring	−0.011	−1.218	−1.207	BL
flgJ	Flagellum-specific muramidase	0.030	−0.857	−0.886	BL
flgK	Flagellar synthesis	−0.211	−1.875	−1.664	BL
flgL	Flagellar synthesis	0.111	−1.165	−1.276	BL
flgM	Anti-sigma 28 (FliA); regulates FlhD	−0.292	−1.424	−1.132	BL
flgN	Flagellar synthesis	−0.295	−1.567	−1.272	BL
flhA	Flagellar export pore protein	0.333	−0.528	−0.861	AH
flhE	Function unknown	0.492	−0.454	−0.946	AH
fliA	Sigma 28; regulates class III flagellar genes	−0.150	−1.127	−0.976	BL
fliC	Flagellin subunit, H-antigen	−1.165	−4.561	−3.396	BL
fliD	Hook-associated protein	−0.311	−1.953	−1.641	BL
fliE	Flagellar synthesis; basal body component	−0.478	−1.861	−1.203	BL
fliF	Flagellar basal body M-ring	−0.159	−1.216	−1.057	BL
fliG	Motor switching and energizing	0.182	−1.313	−1.495	BL
fliH	Negative regulator of FliI; flagellar assembly and export	0.389	−1.245	−1.634	BL
fliI	Membrane ATPase, flagellar, axial subunit export	0.270	−1.238	1.508	BL
fliJ	Flagellar biosynthesis	−0.068	−1.404	−1.336	BL
fliK	Hook filament junction	0.278	−1.186	−1.464	BL
fliL	Rotational direction of flagella	−0.102	−1.083	−0.981	BL
fliM	Flagellar synthesis, motor switching and energizing	0.029	−1.053	−1.082	BL
fliN	Flagellar switch	0.273	−0.875	−1.148	BL
fliO	Flagellar synthesis	0.191	−0.921	−1.112	BL
fliP	Flagellar synthesis	0.419	−0.669	−1.087	AH
fliQ	Flagellar synthesis	0.463	−0.980	−1.444	AH
fliR	Flagellar synthesis	0.924	−0.899	−1.822	AH
fliS	Cytosolic chaperone inhibits premature FliC assembly	−0.174	−1.947	−1.772	BL
fliT	Flagellar synthesis	−0.323	−1.021	−0.698	BL
fliY	Cystine-binding protein, periplasmic; may regulate FliA (sigma 28)	0.233	−0.252	−0.484	AH
fliZ	Not required for motility; may regulate FliA (sigma 28)	0.144	−1.165	−1.309	BL
motA	Flagellar rotation	−0.682	−1.847	−1.166	BL
motB	Flagellar rotation	−1.241	−3.238	−1.997	BL
tap	Dipeptide chemoreceptor	−0.622	−1.089	−0.466	BL
tar	Aspartate, maltose chemoreceptor	−0.519	−2.213	−1.694	BL
tsr	Serine chemoreceptor	−1.061	−1.826	−0.765	BL
ycgR	Suppresses hns motility defect	−0.531	−0.783	−0.252	BL
yhjH	Suppresses hns motility defect	−0.972	−2.522	−1.550	BL

^aBoldface for ratios indicates significance (α = 0.001).

^bBL, Base Low; AH, Acid High.

^cMCP, methyl-accepting chemotaxis protein.