Early iron-deficiency-induced transcriptional changes in Arabidopsis roots as revealed by microarray analyses

BMC Genomics

Table 1 A summary of over-represented GO categories of genes responding to Fe deficiency^a

Treatment (h, -Fe)	DEG	Gene Category	p value, corrected
0	22	none
0.5	80	response to light stimulus	1.7e-02
		carbon utilization	3.6e-02
1	36	sugar binding	3.1e-02
6	60	transporter activity	7.1e-02
		iron ion binding	2.4e-04
		response to metal ion	1.3e-03
		cation transport	2.6e-02
24	79	iron ion binding	3.83e-03
		ion transporter activity	6.83e-03
		C-C lyase activity	3.43e-02

^a Transcript intensity was determined and differentially e xpressed g enes (DEG) with an uncorrected p < 0.05 and a change in intensity between Fe-sufficient and Fe-deficient treatments of 50% were selected for each of the five time points analyzed. Biological processes and molecular functions were determined as being over-expressed when a corrected p < 0.05 was determined. The correction for false discovery rates was determined with Bingo software using the method of Benjamini and Hochberg [51].

ISSN: 1471-2164