Table 3.
Small nucleolar RNAs in Trichoplax
| Name | Class | Target | Conservation | Note |
|---|---|---|---|---|
| U3 | C/D | 18S 5-22b | Eukaryotes | Verified |
| 18S 1129-1140b | ||||
| U18 | C/D | 28S A740b | Eukaryotes | – |
| U36 | C/D | 18S A615b | Eukaryotes | – |
| U76 | C/D | 28S A1549b | Vertebrates | – |
| U106 | C/D | 28S A2227 | Vertebrates | – |
| U17 | H/ACA | a | Eukaryotes | |
| U71? | H/ACA | – | Vertebrates | Uncertain |
| sc.3857:103-213(-) | H/ACA | 28S U1370 U1884 | Novel |
aThe U17 snoRNA probably targets the 5′ETS, the exact target is still unknown, however (55,53).
bTarget sites homologous to the ones in human rRNAs.