Table 4. Overrepresented GO terms of target genes of miRNAs involved in pollen-silk interactions.

GO term	Categorya	Description	Number in input listb	Number in BG/Refc	P-valued	FDRe
GO:0009719	P	Response to hormone stimulus	7	38	5e–12	4.5e–10
GO:0010468	P	Regulation of gene expression	17	2216	5.4e–05	0.0023
GO:0034645	P	Macromolecule biosynthetic process	21	3777	0.00063	0.0072
GO:0003677	F	DNA binding	35	3439	9.1e–11	2e–09
GO:0005634	C	Nucleus	28	2294	7.4e–11	2.5e–09
GO:0043227	C	Membrane-bounded organelle	28	2791	4.3e–09	4.8e–08

^aGO categories: P, Biological Process; F, Molecular Function; C, Cellular Component.

^bQuery item number in target genes.

^cQuery item number in maize genome version 5a.

^dDetermined by Fisher's exact test.

^eFalse discovery rate, determined by the Yekutieli procedure.