Analysis of peptide PSY1 responding transcripts in the two Arabidopsis plant lines: wild type and psy1r receptor mutant

Table 1 Putative cis-regulatory motives statistically over-represented in the promoters of differentially expressed genes

Motif	PSY1 responsive genes in wild type (77 genes)				Differentially expressed genes in *psy1r*mutant plants (154 genes)				Differentially expressed genes in PSY1 treated wild type plants compared to PSY treated *psy1r*mutant plants (261 genes)
Motif	Hits out of 77 genes	%	Z-score	p-value	Hits out of 154 genes	%	Z-score	p-value	Hits out of 261 genes	%	Z-score	p-value
TATATA	58	75	2.1	0.05	141	92	5.7	0.001	221	85	3.6	0.001
AAAATA	75	97	2.0	0.05	149	97	3.6	0.001	256	98	3.5	0.001
AAAATT	74	96	2.0	0.05	148	96	1.4	ns	254	97	2.6	0.005
AATAAA	76	99	1.7	0.05	148	96	3.1	0.001	253	97	3.8	0.001
TGTATA	53	68	1.7	0.05	114	74	3.0	0.001	199	76	3.2	0.001
TGTATATAT	2	2	ns	ns	14	9	ns	ns	21	8	ns	ns

These sequences have been obtained using the programs Promomer (http://bar.utoronto.ca/ntools/cgi-bin/BAR_Promomer.cgi) and Motif Analysis (TAIR). Z-scores and p-values are those calculated by the corresponding program (Promomer or Motif Analysis).

ISSN: 1471-2164