Table 1.
General features of five gymnosperm mitogenomes
| Cycas | Ginkgo | Pinus | Welwitschia | Taxus | |
|---|---|---|---|---|---|
| Accession | AP009381 | KM672373 | MF991879.1 | KT313400 | MN593023 |
| Size (bp) | 414,903 | 346,544 | 1,191,054 | 978,846 | 468,924 |
| GC% | 46.9 | 50.4 | 47 | 53 | 50.39 |
| Genes | 71 | 67 | 59 | 40 | 46 |
| tRNAs | 27 | 23 | 12 | 8 | 10 |
| rRNAs | 3 | 3 | 6 | 3 | 4 |
| Protein coding | 41 | 41 | 41 | 29 | 32 |
| ORF | 3945 (414,858 bp) | 3944 (323,967 bp) | 10,587 (1,191,015 bp) | 11,171 (978,799 bp) | 3923 (468,857 bp) |
| Introns | 26 | 25 | 26 | 10 | 15 |
| Predicted edit sites | 1206 | 1306 | 1179 | 225 | 1102 |
| Repeats (kb) | 80 (19.2%) | 32 (9.3%) | 170 (14.2%) | 50 (5.0%) | 62 (13.2%) |
| Tandem repeats (kb) | 22 (5.3%) | 3.6 (1.1%) | 71 (6.0%) | 24 (2.5%) | 48 (10.2%) |
| Plastid-derived (kb) | 19 (4.6%) | 0.3 (0.1%) | 5.6 (0.5%) | 7.9 (0.8%) | 0 (0%) |
| Nuclear-derived repetitive (kb) | 3.4(0.8%) | 1.9(0.6%) | 5.3(0.5%) | 2.5(0.3%) | 3.5(0.8%) |