Table 1 Comparative analysis of chloroplast genomes of four Platanthera species
Characteristics | Platanthera ussuriensis | Platanthera japonica | Platanthera chlorantha | Platanthera mandarinorum | |
|---|---|---|---|---|---|
GenBank accession No. | MN686021 | MN631092 | MK937914 | MN200370 | |
Size (base pair, bp) | 155,016 | 155,409 | 154,260 | 154,162 | |
LSC length (bp) | 83,984 | 84,049 | 83,279 | 83,325 | |
SSC length (bp) | 17,936 | 17,494 | 17,759 | 17,757 | |
IR length (bp) | 26,548 | 26,933 | 26,611 | 26,540 | |
Number of genes | 132 | 133 | 134 | 132 | |
Protein-coding genes | 86 | 87 | 88 | 86 | |
tRNA genes | 38 | 38 | 38 | 38 | |
rRNA genes | 8 | 8 | 8 | 8 | |
GC content | Total (%) | 36.7 | 36.9 | 36.7 | 36.9 |
| Â | LSC (%) | 34.2 | 34.4 | 34.3 | 34.3 |
| Â | SSC (%) | 29.3 | 29.7 | 29.4 | 29.5 |
| Â | IR (%) | 43.1 | 43.2 | 43.1 | 43.1 |