Genome-wide analysis of root hair-preferential genes in rice

Rice

Table 1 Analysis of significantly enriched Gene Ontology terms for root hair-preferential genes from rice

GO Category	No. of GO repeats^a	No. of GO repeats in queried genes^b	No. of expected GO repeats^c	Fold-enrichment value^d
Oxygen transport	9	3	0.10	31.25
Cell wall biogenesis	21	3	0.22	13.39
Cellulose metabolic process	55	3	0.57	5.10
Cellular cell wall organization	132	4	1.41	2.84
Exocytosis	51	3	0.54	5.52
Response to auxin stimulus	46	4	0.49	8.15
Response to oxidative stress	186	13	1.98	6.55
Chloride transport	30	2	0.32	6.25
Potassium ion transport	203	5	2.16	2.31
Lipid catabolic process	48	3	0.51	5.86
Lipid transport	106	4	1.13	3.54
Signal transduction	200	8	2.13	3.75
Protein amino acid phosphorylation	1593	42	16.99	2.47

The rice genome contains 39,571 GO terms in all. A total of 409 genes preferentially expressed in root hairs were queried for GO term analysis. Similar GO categories are boxed
^anumber of selected GO Slim terms annotated in genome
^bnumber of selected GO Slim terms observed in queried genes preferentially expressed in root hairs
^cexpected number of selected GO Slim terms in queried genes preferentially expressed in root hairs
^drelative ratio of observed number to expected number for a selected GO Slim term