Prediction of transcriptional regulatory elements for plant hormone responses based on microarray data

BMC Plant Biology

Table 3 Extraction of overrepresented octamers in promoters with hormone and drought responses

Microarray	Ref	Selected promoter	REG number¹	Octamer number
ABA	TAIR_ME00333 [17]	98	40	1,370
Ethylene	TAIR_ME00334 [17]	88	1	1,162
BL	TAIR_ME00335 [17]	82	0	943
CK	TAIR_ME00356 [17]	165	4	1,105
Auxin	TAIR_ME00336 [17]	67	3	1,008
JA	TAIR_ME00337 [17]	254	2	577
SA	TAIR_ME00364 [17]	197	0	813
H₂O₂	[39]	260	7	614
Drought	TAIR_ME00338 [16]	362	14	559
DREB1A ox	MEXP-2175 [18]	81	23	1,106
any treatment			53	7,983
all			308	65,536

Data for responses in shoots or seedlings were selected. ABA: 10 uM abscisic acid for 1 h; ethylene: 10 uM ACC for 3 h; BL: 10 nM brassinolide for 3 h; CK: 1 uM zeatin for 3 h; auxin: 1 uM IAA for 3 h; JA: 10 uM methyl jasmonate for 3 h; SA: 10 uM salycilic acid for 3 h; H₂O₂: 3% solution for 3 h; drought: 1 h-treatment; DREB1Aox: constitutive overexpression of DREB1A driven by a 35S promoter. ¹Count of complementary sequence is merged because REG is defined as orientation-insensitive.

ISSN: 1471-2229