Table I.

Gene ontology categories of up-regulated (Up) and down-regulated (Down) genes found by Affymetrix microarray analysis of OsSRT1 RNAi plants compared to the wild type

Gene Ontology Nos.	Gene Ontology Annotation	Down	Up
GO:0003700	Transcription factor activity	16	30
GO:0006281	DNA repair	0	2
GO:0006313	DNA transposition	4	22
GO:0032197	Transposition, RNA mediated	0	18
GO:0012501	PCD	2	7
GO:0045454	Cell homeostasis	0	5
GO:0007165	Signal transduction	23	27
GO:0006629	Lipid metabolism	21	23
GO:0006810	Transport	28	53
GO:0009698	Phenylpropanoid metabolism	5	18
GO:0015979	Photosynthesis	2	1
GO:0019538	Protein metabolism	35	62
GO:0007049	Cell cycle	0	7
GO:0005975	Carbohydrate metabolism	7	13
GO:0006952	Defense response	24	41
GO:0016043	Cell organization and biogenesis	25	50
GO:0006139	Nucleobase, nucleoside, nucleotide, and nucleic acid metabolism	21	60
GO:0007275	Development	24	60
GO:0006519	Amino acid and derivative metabolism	10	35
GO:0006950	Response to stress	44	84
GO:0040007	Growth	11	14
GO:0007568	Aging	5	2
Unknown	Unknown	143	275
Total		313	521