Table 2.
Summary of identified TEs in three conifer genomes
| Class | Order | Superfamily | P. abies members/families | P. glauca members/families | P. taeda members/families |
|---|---|---|---|---|---|
| Retrotransposons | LTR | Caulimovirus | 51/17 | 196/43 | 315/35 |
| Copia | 7304/78 | 35 826/89 | 40 645/92 | ||
| Copia(Xen1) | 26/5 | ||||
| DIRS | 76/51 | 226/113 | 287/143 | ||
| ERV | 7/3 | ||||
| ERV1 | 299/124 | 749/231 | 1392/182 | ||
| ERV4 | 25/21 | 44/39 | 145/46 | ||
| ERVK | 153/88 | 563/187 | 584/169 | ||
| ERVL | 28/22 | 105/71 | 115/75 | ||
| Gypsy | 12 267/129 | 64 831/396 | 58 349/113 | ||
| Ngaro | 29/24 | 63/41 | 126/63 | ||
| Pao | 241/84 | 832/229 | 874/179 | ||
| RUnknown | 9225/941 | 42 750/3435 | 43 951/1147 | ||
| LINE (long interspersed nuclear element) | L1 | 5230/83 | 11 150/40 | 24 553/27 | |
| PTE-X | 4/4 | ||||
| Tad1 | 4/4 | ||||
| Subtotal | 34 936/1670 | 157 335/4914 | 171 369/2279 | ||
| DNA transposons | TIR (terminal inverted repeat) | hAT | 8/8 | 12/12 | 7/7 |
| TcMar | 3/3 | 3/3 | |||
| PIF-Harbinger | 3/3 | 4/4 | |||
| CMC | 3/3 | ||||
| DUnknown | 7/7 | 12/12 | 2/2 | ||
| MITE | MITE | 378/277 | 287/261 | 390/297 | |
| Helitron | Helitron | 6575/609 | 21 869/359 | 20 220/403 | |
| Subtotal | 6971/904 | 22 183/647 | 20 629/719 | ||
| Total | 41 907/2574 | 179 518/5561 | 191 998/2998 |