MicroRNA (miRNA) |
20–24 |
|
Piwi-interacting RNA (piRNA) |
24–31 |
|
Small interfering RNA (siRNA) |
20–24 |
● Double-stranded RNA (dsRNA) processed by endoribonuclease Dicer into mature siRNA
● post-transcriptional silencing/RNA interference (RNAi)
● protection against viral infection
|
Promoter-associated RNA (PAR) |
16–200 |
|
Enhancer RNA (eRNA) |
100–9000 |
|
Long non-coding RNA (lncRNA) |
>200 |
● Non-protein coding transcripts
● Subject to post-transcriptional modifications
● Transcriptional/post-transcriptional regulation and precursor for siRNA
|