Table 1. List of genes commonly and conversely regulated in microarray experiments (1 : PAO1attB::cupE-lacZ/pMMBpprB strain vs PAO1attB::cupE-lacZ/pMMB67HE strain, 2 : PAO1attB::cupE-lacZ strain vs PAO1ΔpprBattB::cupE-lacZ strain).

PA number (Locus tag)	SwissProt	Function	Fold change in experiment 1a	Fold change in experiment 2a
PA0998	Q9I4X1	Homologous to beta-keto-acyl-acyl-carrier protein synthase PqsC	+3.45	−3.27
PA0999	P20582	3-oxoacyl-[acyl-carrier-protein] synthase III PqsD	+4.02	−3.6
PA1000	P20581	Quinolone signal response protein PqsE	+3.66	−3.43
PA1001	P09785	Anthranilate synthase component I PhnA	+3.74	−3.45
PA1002	P09786	Anthranilate synthase component II PhnB	+3.59	−3.4
PA1213	Q9I4C5	putative clavaminic acid synthetase	+2	−2.2
PA1214	Q9I4C4	Putative sparagine synthase	+2.16	−2.59
PA1216	Q9I4C2	Hypothetical protein	+2.39	−2.15
PA1217	Q9I4C1	Probable 2-isopropylmalate synthase	+2.39	−2.53
PA1218	Q9I4C0	Hypothetical protein	+2.21	−2.6
PA1874	Q9I2M3	Large uncharacterized protein BapA	+25.72	−12.64
PA1875	Q9I2M2	Probable outer membrane protein of T1SS transporter BapB	+28.81	−9.17
PA1876	Q9I2M1	probable ATP-binding protein of T1SS transporter BapC	+19.53	−6.41
PA1877	Q9I2M0	probable fusion protein of T1SS transporter BapD	+16.94	−7.11
PA1914	Q9I2J0	HvnA	+31.86	−3.87
PA3662	Q9HXX7	Hypothetical protein	−9.5	+3.73
PA4293	Q9HWA7	Histidine kinase PprA	+11.5	−4.45
PA4294	Q9HWA6	Pseudopilin TadF	+15.68	−4.04
PA4296	Q9HWA4	Response regulator PprB	+32.23	−38.5
PA4297	Q9HWA3	TadG	+3.86	−20.24
PA4298	Q9HWA2	Hypothetical protein	+4.35	−10.76
PA4299	Q9HWA1	TadD	+5.13	−16.84
PA4300	Q9HWA0	PilC-like protein TadC	+5.51	−15.8
PA4301	Q9HW99	PilC-like protein TadB	+4.46	−11.05
PA4302	Q9HW98	ATPase TadA	+5.49	−19.17
PA4303	Q9HW97	TadZ	+4.36	−9.95
PA4304	Q9HW96	Secretin RcpA	+5.33	−13.45
PA4305	Q9HW95	RcpC	+5.33	−17
PA4306	Q9HW94	Pilin subunit Flp	+5.6	−39
PA4648	Q9HVE4	Fimbrial subunit CupE1	+5.67	−7.03
PA4649	Q9HVE3	Fimbrial subunit CupE2	+7.98	−11.85
PA4650	Q9HVE2	Fimbrial subunit CupE3	+6.75	−7.45
PA4651	Q9HVE1	Chaperone CupE4	+7.74	−11.7
PA4652	Q9HVE0	Usher CupE5	+2.12	−3.53
PA5287	Q9HTR7	Ammonium transporter AmtB	+2.28	−2.21

^afold changes correspond to mean values of the four replicates performed for each condition.