High throughput RNA sequencing of a hybrid maize and its parents shows different mechanisms responsive to nitrogen limitation

Table 3 Expression in the hybrid under different N conditions and GO terms enriched

N condition	Tissue	d/a < −1	0 > d/a > −1	1 > d/a > 0	d/a > 1
Number of genes
Sufficient	Leaf	3990	3595	5773	5818
Limiting	Leaf	4489	4281	5784	5919
Sufficient	Root	5765	2897	3454	9979
Limiting	Root	5372	6093	6182	5672
GO terms enriched (with BP, MF, CC)
Sufficient	Leaf	56	28	62	63
Limiting	Leaf	15	26	67	86
Sufficient	Root	42	10	52	147
Limiting	Root	24	51	38	30
d/a < −1		expression level outside range of SRG100
0 > d/a > −1		expression level skewed towards SRG100
1 > d/a > 0		expression level skewed towards SRG200
d/a > 1		expression level outside range of SRG200

ISSN: 1471-2164