| BRAD | Brassica database |
| HMM | hidden Markov model |
| Ka | nonsynonymous substitution rate |
| Ks | synonymous substitution rate |
| LF | least fractionated subgenome |
| MEME | multiple Em for Motif Elicitation |
| MF1 | medium fractionated subgenome |
| MF2 | most fractionated subgenome |
| MYA | million years ago |
| PMEIs | pectin methylesterase inhibitors |
| PMEs | pectin methylesterases |
| qRT-PCR | quantitative real-time PCR |
| TAIR | The Arabidopsis Information Resource |
| TD | tandem duplication |
| WGT | whole genome triplication |