Table 3.
SSRs in the CP genomes of four Iris species.
| SSR types | Repeat units | Number | Proportion (%) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ① | ② | ③ | ④ | ① | ② | ③ | ④ | ||
| Mono | A/T | 38 | 22 | 34 | 32 | 100.0 | 100.0 | 97.1 | 97.0 |
| C/G | — | — | 1 | 1 | — | — | 2.9 | 3.0 | |
| Di | AT/AT | 9 | 8 | 11 | 10 | 81.8 | 80.0 | 84.6 | 83.3 |
| AG/CT | 2 | 2 | 2 | 2 | 18.2 | 20.0 | 15.4 | 16.7 | |
| Tri | AAG/CTT | 2 | 2 | 2 | 2 | 50.0 | 50.0 | 66.7 | 66.7 |
| AAT/ATT | 2 | 2 | 1 | 1 | 50.0 | 50.0 | 33.3 | 33.3 | |
| Tetra | AAAT/ATTT | 2 | 3 | 3 | 3 | 66.7 | 75.0 | 75.0 | 75.0 |
| AATG/ATTC | 1 | 1 | 1 | 1 | 33.3 | 25.0 | 25.0 | 25.0 | |
| Penta | AACTT/AAGTT | 1 | 1 | 1 | 1 | 33.3 | 100.0 | 50.0 | 33.3 |
| AAAAT/ATTTT | 1 | — | — | 1 | 33.3 | — | — | 33.3 | |
| AAAAC/GTTTT | 1 | — | — | — | 33.3 | — | — | — | |
| AATAT/ATATT | — | — | — | 1 | — | — | — | 33.3 | |
| ACTAT/AGTAT | — | — | 1 | — | — | — | 50.0 | — | |
| Hexa | AACAAG/CTTGTT | — | 1 | 1 | 1 | — | 100.0 | 100.0 | 100.0 |
①: I. tectorum; ②: I. japonica; ③: I. dichotoma; ④ I. domestica; —: the absence of a particular type.