ACRs	ATP-dependent chromatin remodelers
AGO	Argonaute
ATM/ATR	Ataxia telangiectasia mutated /ATM and rad3-related
BER or NER	Base or nucleotide excision repair
CHD	Chromodomain helicase DNA
DDR	DNA damage response
diRNAs or DDRNAs	DSB-induced RNAs or DNA damage response RNAs
DME/DML2/DML3	Demeter/Demeter-like2/Demeter-like3
DSBs	DNA double-strand breaks
HDACs	Histone deacetylases
HR	Homologous recombination
INO80	Inositol-requiring mutant80
ISWI	Imitation switch
MET1/CMT2/3/DRM2	Methyltransferase1/Chromomethylase2/3/Domains rearranged methyltransferase2
miRNAs	MicroRNAs
MMR	Mismatch repair
NHEJ	Non-homologous end-joining
PTMs	Post-translational modifications
RAD54	Radiation-sensitive54
RBR1	Retinoblastoma related1
RdDM	RNA-directed DNA methylation
ROS1	Repressor of silencing1
siRNAs	Small interfering RNAs
sncRNAs or lncRNA	Small or long noncoding RNAs
SOG1	Suppressor of gamma response1
SWI/SNF	Switch/Sucrose nonfermentable
TGS	Transcriptional gene silencing