Table 1.
Summary of Features in Kiwifruit Mitogenomes
| Feature | Actinidia arguta | Actinidia eriantha | Actinidia chinensis |
|---|---|---|---|
| Genome size (bp) | 792,319 | 772,626 | chr1: 724,257; chr2: 200,567 |
| Number of chromosomes | 1 | 1 | 2 |
| GC content (%) | 46.22 | 46.16 | chr1: 45.9%; chr2: 45.80% |
| Length of coding region (%) | 33,192 (4.19%) | 33,192 (4.30%) | 33,192 (3.59%) |
| Length of tRNA genes (%) | 1,800 (0.23%) | 1,657 (0.21%) | 2,261 (0.24%) |
| Length of rRNA genes (%) | 5,718 (0.72%) | 5,713 (0.74%) | 5,702 (0.62%) |
| Length of cis-spliced introns (%) | 27,857 (3.52%) | 27,516 (3.56%) | 27,857 (3.01%) |
| Length of intergenic sequences (%) | 725,720 (91.59%) | 706,516 (91.44%) | 857,780 (92.75%) |
| Length of repeats (%) | 29,833 (3.77%) | 25,247 (3.27%) | 32,855 (3.55%) |
| Longest repeat (bp) | 636 | 483 | 337 |
| Length of plastid-derived sequences (%) | 18,628 (2.35%) | 8,937 (1.16%) | chr1: 29,657; chr2: 7,826 |
| Length of nuclear-shared sequences (%) | 323,621 (40.84%) | 315,920 (40.89%) | 388,517 (42.01%) |
| Number of rRNA genes (native) | 3 | 3 | 3 |
| Number of rRNA genes (plastid derived) | 1 | 0 | 1 |
| Number of tRNA genes (native) | 22 | 21 | 23 |
| Number of tRNA genes (plastid derived) | 2 | 1 | 7 |
| Number of protein genes (native) | 39 | 39 | 39 |
| Number of protein genes (plastid derived) | 5 | 3 | 12 |
| Number of gene acquired by HGT | 1 | 1 | 1 |
| Total genes | 74 | 69 | 89 |
Note.—chr1, large chromosome of A. chinensis mitogenome; chr2, small chromosome of A. chinensis mitogenome.