TABLE 2.

Selected differentially regulated pH-independent genes in Synechocystis sp. strain PCC 6803 after transfer from pH 7.5 to pH 10 and after transfer from pH 10 to pH 7.5^a

Gene	Designation or function	Change (fold) after transfer to:
		pH 10			pH 7.5 (t2)
		t1	t2	t6
Photosynthesis and respiration
ATP synthase
sll1321	Hypothetical	1.7	1.4	1.4	3.0
sll1322	atpI	1.3	1.2	1.2	2.9
ssl2615	atpH	2.1	1.8	1.8	3.7
sll1323	atpG	2.1	1.7	1.7	4.7
sll1324	atpF	2.5	2.1	2.0	5.5
sll1325	atpD	3.1	2.8	2.6	4.5
sll1326	atpA	2.0	1.8	1.7	3.1
sll1327	atpC	1.9	1.6	1.6	3.6
slr1329	atpB	2.1	1.7	1.8	2.6
slr1330	atpE	3.0	2.5	2.4	3.1
CO2 fixation: carboxysome
sll1028	ccmK2	2.0	2.0	2.1	2.4
sll1029	ccmK1	2.4	2.4	2.6	2.2
sll1030	ccmL	1.8	1.8	2.3	2.4
sll1031	ccmM	2.3	1.9	2.2	2.1
sll1032	ccmN	1.7	1.4	1.9	1.9
slr1838	ccmK3	1.3	1.8	1.8	1.3
slr1839	ccmK4	1.3	1.7	1.4	1.6
NADH dehydrogenase: bicarbonate transport
sll1732	ndhF3	2.1	1.4	3.7	1.3
sll1733	ndhD3	2.8	2.1	4.6	1.8
sll1734	cupA	3.3	2.7	5.3	2.9
sll1735	Hypothetical	2.0	1.6	3.8	3.2
Regulatory functions
slr0473	cph1	−2.4	−1.9	−1.9	−1.8
slr0474	rcp1	−4.6	−3.6	−3.4	−2.3
Transport proteins: bicarbonate
slr0040	cmpA	1.4	1.1	5.3	2.9
slr0041	cmpB	1.4	1.2	9.4	2.8
slr0043	cmpC	1.5	1.4	2.4	1.6
slr0044	cmpD	1.3	1.5	3.3	2.0
slr1512	sbtA	2.9	2.1	5.5	3.7
slr1513	sbtB	2.5	2.1	6.5	2.9
Gene clusters
slr1667	Hypothetical	−1.8	−2.5	−1.7	−5.8
slr1668	Hypothetical	−1.5	−1.7	−1.3	−1.5
sll1077	speB2	1.7	2.2	−1.1	2.2
sll1078	hypA2	2.2	3.5	−1.1	1.6
sll1079	hypB2	2.5	3.9	−1.4	1.6
sll1080	Transport	2.3	2.7	−1.1	−1.4
sll1081	Transport	1.8	2.4	−1.3	NDb
sll1082	Transport	1.4	1.9	−1.2	−1.1

^aGenes were considered differentially regulated when the FDR was 0.05 (change, >1.5 fold) (indicated by bold type).

^bND, not determined.