Table 2.

Over-representation analysis (Mefisto) of significant differentially expressed genes in roots subjected to sub-optimal root temperature in the two graft combinations LA 1777/’Kommeet’ (LA/KO) and ‘Moneymaker’/‘Kommeet’ (MM/KO) visualized in MapMan functional categories (to sub-category 3).

Bin code	Bin name	Up-regulated		Down-regulated
		LA/KO	MM/KO	LA/KO	MM/KO
10	Cell wall	0.005	<0.001	ns	ns
10.2	Cell wall.cellulose synthesis.	<0.001	ns	ns	ns
10.2.1	Cell wall.cellulose synthesis.cellulose synthase	0.009	ns	ns	ns
11.2	Lipid metabolism.FA desaturation	ns	0.003	ns	ns
16	Secondary metabolism	ns	ns	<0.001	0.011
16.1.5	Secondary metabolism.isoprenoids.terpenoids	ns	ns	0.009	0.009
16.2	Secondary metabolism.phenylpropanoids	ns	ns	<0.001	<0.001
17	Hormone metabolism	ns	0.018	<0.001	0.004
17.4	Hormone metabolism.cytokinin	ns	ns	<0.001	<0.001
17.4.2	Hormone metabolism.cytokinin.signal transduction	ns	ns	0.005	0.002
17.5	Hormone metabolism.ethylene	ns	ns	0.002	<0.001
17.5.1	Hormone metabolism.ethylene.synthesis-degradation	ns	ns	<0.001	0.021
20	Stress	ns	0.044	<0.001	0.002
20.1	Stress biotic	ns	<0.001	ns	<0.001
20.2	Stress.abiotic	ns	ns	<0.001	<0.001
20.2.1	Stress.abiotic.heat	ns	ns	<0.001	<0.001
26	Misc	ns	<0.001	ns	ns
26.1	Misc.cytochrome P450	ns	0.011	ns	ns
27	RNA	ns	ns	0.001	<0.001
27.3	RNA.regulation of transcription	ns	ns	<0.001	0.004
27.3.26	RNA.regulation of transcription. MYB-related transcription factor family	ns	ns	0.018	ns
29	protein	ns	ns	<0.001	<0.001
29.2	Protein.synthesis	ns	ns	0.002	<0.001
29.5.9	Protein.degradation.AAA type	ns	0.001	ns	ns
35	Not assigned	ns	<0.001	ns	ns
35.2	Not assigned.unknown	0.01	<0.001	0.049	0.034

Significantly over-represented functional bins are given with their adjusted p-values (Bonferroni correction). ns, not significant.