Hyperosmotic priming of Arabidopsis seedlings establishes a long-term somatic memory accompanied by specific changes of the epigenome

Table 2 Enrichment^a of genes functionally classified as 'transcriptional regulation'^b among genes that show priming-induced differences in H3K4me3 or H3K27me3

Modification	Sequence^c	Background^d	Count^e	%^f	Fold enrichment^g	Pvalue^h
H3K4me3	Gene + 1,000 bp	Islands Primed	129	8.86	1.98	4.97E-14
		Islands Control	127	8.72	2	4.32E-14
		Arabidopsis	129	8.86	2.02	2.85E-14
	Gene + 100 bp	Islands Primed	127	8.78	1.97	1.15E-13
		Islands Control	123	8.51	1.96	3.63E-13
		Arabidopsis	129	8.92	2.04	1.73E-14
H3K27me3	Gene + 1,000 bp	Islands Primed	130	4.33	2.4	4.60E-21
		Islands Control	139	4.63	1.4	5.05E-06
		Arabidopsis	238	7.94	1.83	3.88E-21
	Gene + 100 bp	Islands Primed	124	4.65	1.42	4.25E-06
		Islands Control	76	2.85	1.43	4.74E-04
		Arabidopsis	258	9.68	2.25	7.03E-37

^aAs determined by DAVID [40]. For full dataset see Additional file 2.
^bTerm from SP PIR KEYWORDS.
^cLength of up- and downstream sequences included in the mapping of islands and differences to genes.
^dBackground list used for identification of enriched functional terms in submitted gene list.
^eNumber of genes matching the annotation term in submitted gene list.
^fPercentage of all genes in the submitted gene list.
^gRelative enrichment compared to percentage in background.
^hStatistical significance of enrichment.

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