| Abbreviation | Definition |
| mel-32 | Serine hydroxymethyltransferase |
| mthf-1 | Methylenetetrahydrofolate reductase (NADPH) |
| mtrr-1 | Methionine synthase reductase |
| sams-1 | S-adenosylmethionine synthase |
| metr-1 | 5-methyltetrahydrofolate-homocysteine methyltransferase |
| ahcy-1 | Adenosylhomocysteinase |
| cep-1 | C. elegans p-53-like protein |
| p53 | Tumor protein |
| lin-35 | Retinoblastoma-like protein homolog |
| RB | Retinoblastoma-associated protein |
| ced-9 | Apoptosis regulator |
| Bcl-2 | BCL2 apoptosis regulator |
| ced-4 | Cell death protein 4 |
| Apaf-1 | Apoptotic peptidase activating factor 1 |
| ced-3 | Cell death protein 3 subunit p17 |
| Caspase | Caspase-3 |
| dpl-1 | Vertebrate transcription factor DP-like |
| DP | DP transcription factor |
| vit-2 | Vitellogenin structural genes (yolk protein genes) |
| ced-1 | Cell death abnormality protein 1 |