Table 2.

Genes down-regulated under dark anoxic conditions^a.

ID	Gene	Fold changeb			Description
		3 h	6 h	24 h
sll0851	psbC	−8.66	−11.93	−13.62	photosystem II CP43 protein
slr0906	psbB	−6.06	−6.88	−12.70	photosystem II CP47 protein
sml0008	psaJ	−6.05	−7.10	−5.85	photosystem I reaction center subunit IX
slr1643	petH	−5.83	−7.03	−8.46	ferredoxin-NADP oxidoreductase
slr0012	rbcS	−5.71	−7.59	−6.85	ribulose bisphosphate carboxylase small subunit
sll0819	psaF	−5.62	−6.72	−4.78	photosystem I subunit III
sll1566	ggpS	−4.57	−5.09	−3.32	glucosylglycerolphosphate synthase
sll0018	cbbA	−4.47	−4.43	−6.46	fructose 1,6-bisphosphate aldolase
sll1535	rfbP	−4.25	−3.62	−2.93	galactosyl-1-phosphate transferase
sll1577	cpcB	−3.93	−4.00	−7.66	phycocyanin β subunit
sll1085	glpD	−3.84	−4.03	−3.18	glycerol 3-phosphate dehydrogenase
slr0288	glnN	−3.79	−4.11	−3.75	glutamate-ammonia ligase
slr0927	psbD2	−3.58	−4.24	−5.83	photosystem II D2 protein
ssr2831	psaE	−3.51	−3.60	−4.51	photosystem I reaction center subunit IV
slr0054	dgkA	−3.30	−4.01	−5.11	diacylglycerol kinase
slr1756	glnA	−3.10	−3.16	−3.18	glutamate-ammonia ligase
slr1834	psaA	−3.04	−5.36	−9.34	photosystem I P700 chlorophyll a apoprotein A1
slr2067	apcA	−2.99	−3.07	−5.93	allophycocyanin α chain
slr1655	psaL	−2.85	−2.57	−3.20	photosystem I reaction center protein subunit XI
sll1899	ctaB	−2.83	−2.78	−2.04	protoheme IX farnesyltransferase
slr0884	gap1	−2.81	−3.16	−2.89	glyceraldehyde 3-phosphate dehydrogenase
slr1835	psaB	−2.73	−4.92	−3.25	photosystem I P700 chlorophyll a apoprotein A2
sll1641	gad	−2.71	−2.46	−2.93	glutamate decarboxylase
ssl0563	psaC	−2.64	−2.85	−2.89	photosystem I subunit VII
sll1194	psbU	−2.61	−2.78	−3.88	photosystem II complex extrinsic protein precursor U
sll1184	ho1	−2.52	−2.28	−2.18	heme oxygenase
slr0261	ndhH	−2.48	−2.52	−2.28	NAD(P)H-quinone oxidoreductase subunit H
sll0080	argC	−2.47	−2.48	−2.61	N-acetyl-gamma-glutamyl-phosphate reductase
slr1022	argD	−2.45	−2.78	−3.44	acetylornithine aminotransferase
ssr3383	apcC	−2.44	−2.45	−1.66	phycobilisome LC linker polypeptide
sll0920	ppc	−2.38	−2.87	−2.47	phosphoenolpyruvate carboxylase
slr0665	acnB	−2.33	−2.77	−2.16	bifunctional aconitate hydratase 2/2-methylisocitrate dehydratase
slr0011	rbcX	−2.28	−2.62	−3.95	possible RubisCO chaperonin
sll1502	gltB	−2.08	−2.41	−2.69	ferredoxin-dependent glutamate synthase
slr0343	petD	−1.85	−1.83	−2.77	cytochrome B6-f complex subunit IV
slr0585	argG	−1.78	−1.93	−2.64	argininosuccinate synthase
sll0166	hemD	−1.76	−2.23	−1.26	uroporphyrin-III synthase
sll1893	hisF	−1.74	−2.15	1.30	imidazole glycerol phosphate synthase subunit HisF
slr1830	phbC	−1.49	−1.75	−1.45	poly(3-hydroxyalkanoate) synthase
slr1842	cysK	−1.35	−1.12	−1.44	cysteine synthase
slr1239	pntA	−1.29	−1.81	−4.34	NAD(P) transhydrogenase subunit alpha
slr1072	yefA	−1.19	−1.08	−2.43	GDP-d-mannose dehydratase
sll0550	flv3	1.04	−1.08	−2.05	flavoprotein
slr1064	rfbU	1.16	1.14	−2.86	mannosyltransferase B

^aGenes annotated in cyanobase (http://genome.microbedb. jp/cyanobase/Synechocystis) were selected.

^bFold change is the ratio of expression at 0 h to 3, 6 and 24 h. According to t-test, values were significantly different (P<0.05).