| AGO1 | ARGONAUTE 1 |
| ct-siRNAs | Coding transcripts-derived small interfering RNAs |
| DCL | DICER-LIKE |
| dsRNAs | Double strand RNAs |
| HESO1 | HEN1 SUPPRESSOR1 |
| nt | Nucleotide |
| NGD | No-go decay |
| NMD | Nonsense-mediated decay |
| NSD | Non-stop decay |
| NTPs | Nucleotidyltransferases |
| RdDM | RNA-directed DNA methylation |
| RDR6 | RNA-directed RNA polymerase 6 |
| RE | Repeat elements |
| RISC | RNA-induced silencing complex |
| RNAi | RNA interference |
| RQC | RNA quality control |
| SGS3 | Suppressor of Gene Silencing 3 |
| sRNAs | Small RNAs |
| TE | Transposon elements |
| URT1 | UTP: RNA uridylyltransferas |