| BS-Seq | Single-base-resolution bisulfite sequencing |
| DMRs | Differentially methylated genomic regions |
| qRT-PCR | Quantitative reverse-transcription polymerase chain reaction |
| MET1 | Methyltransferase 1 |
| CMT3 | Chromomethylase 3 |
| DDM1 | Decrease in DNA methylation 1 |
| DME | DNA demethylases DEMETER |
| ROS1 | Repressor of silencing 1 |
| TEs | Transposable elements |
| PMC | Pollen mother cell |
| EGMS | Environmentally sensitive genic male sterile |
| LDMAR | Long-day-specific male-fertility-associated RNA |
| MSAP | Methylation-sensitive amplified polymorphism |
| MeDIP-seq | DNA immunoprecipitation sequencing |
| CMS | Cytoplasmic male sterility |
| DGMS | Dominant male sterility |
| BRAD | Brassica Database |
| PMEI | Pectin methylesterase inhibitor family protein |
| NIL | Near-isogenic line |
| GDSL | Consensus amino acid sequence of Gly, Asp, Ser, and Leu around the active site Ser |
| IVFCAAS | Flowers and Vegetables of the Chinese Academy of Agriculture Sciences |