Table 3.

Functional annotations of transcription factors with vernalization-induced H3K27me3 up-regulation.

Functional annotation	Number of genes	Enrichment score	P-value
cell differentiation	59	40.82	1.30E-13
ethylene signaling pathway	30	17.4	1.00E-19
flower development	25	11.12	2.20E-13
carpel development	10	9.4	1.30E-11
ovule development	11	6.85	5.40E-09
regulation of secondary cell wall biogenesis	8	6.82	5.20E-09
vegetative to reproductive phase transition of meristem	14	6.1	3.30E-08
gibberellic acid signaling pathway	11	4.82	6.50E-07
specification of flora organ identity	6	4.57	1.30E-06
trichome differentiation	7	4.32	2.40E-06
transmitting tissue development	4	3.42	2.20E-05
auxin signaling pathway	14	3.21	3.80E-05