Table 1.

Identified epigenetic regulation-related genes that are involved in pollen development.

Gene	Gene Product	Function	Species	References
AtASHR3(AtSDG4)	SET-domain protein histone methyltransferase	Histone modification	Arabidopsis thaliana	[72,73]
AtSDG2	Histone methyltransferases SET DOMAIN GROUP2	Histone modification	Arabidopsis thaliana	[74]
AtSWI3B/3C/3D	Component of SWITCH/SUCROSE NONFERMENTING (SWI/SNF) chromatin-remodeling complexes	Chromatin remodeling	Arabidopsis thaliana	[76]
AtADA2b	Histone acetyltransferase	Chromatin remodeling	Arabidopsis thaliana	[78]
AtGCN5	Histone acetyltransferase	Chromatin remodeling	Arabidopsis thaliana	[78]
PpHAG1	Histone acetyltransferase of the GNAT family 1	Histone modification	Physcomitrella patens	[79]
PpSWI3A/B	Component of SWITCH/SUCROSE NONFERMENTING (SWI/SNF) chromatin-remodeling complexes	Chromatin remodeling	Physcomitrella patens	[79]
OsHUB1/2	Histone monoubiquitination 1/2	Histone modification	Rice	[80]
AtCENH3	Histone variant	Chromatin remodeling	Arabidopsis thaliana	[81]
OsASI1	Antisilencing 1, intragenic heterochromatin reader	Alternative polyadenylation regulation	Rice	[82]
OsPEM1	methyl-CpG-binding domain containing protein	DNA methylation reader	Rice	[83]
CrNRPD1	The largest subunit of Polymerase IV	RdDM	Capsella rubella	[84]
OsRDR2	RNA-dependent RNA polymerase 2	RdDM	Rice	[85]
AtDCL1	Dicer-like protein	miRNA generation	Arabidopsis thaliana	[86]
AtAGO1/5	Argonaute	Associate with miRNA	Arabidopsis thaliana	[86]
ZmAGO5c	Argonaute	Associate with siRNA	Maize	[87]
OsMEL1	Argonaute	Associate with siRNA	Rice	[64]
OsAGO2	Argonaute	Associate with siRNA	Rice	[88]
OsmiR528	microRNA	Gene silencing	Rice	[89]
AtmiR159	microRNA	Gene silencing	Arabidopsis thaliana	[90]
TamiR2275	microRNA	Gene silencing	Wheat	[91]