Table 1. Trans-encoded intergenic sRNAs, cis-encoded antisense sRNAs (asRNAs), and tRNA-derived fragments (tRFs) experimentally identified in various archaea using RNA-Seq approaches.
| Number of genes for | ||||
|---|---|---|---|---|
| Intergenic sRNAs | asRNAs | tRFs | Reference | |
| Euryarchaeota | ||||
| M. mazei | 199 | 43 | n.d. | 41 |
| H. volcanii | 145 | 45 | 11 | 42 |
| P. abyssei | 107 | 215 | n.d.*1 | 46 |
| Crenarchaeota | ||||
| S. solfataricus | 43 | 185 | n.d. | 48 |
| Pyrobaculum (4 species) | present*2 | present*2 | present*2 | 44 |
| Nanoarchaeota | ||||
| N. equitans | present*2 | present*2 | present*2 | 53 |
*1Not detectable due to the method of library construction. *2Number of genes not included in the publication