Table 2.
The comparison of chromosome distributions of each repeat sequence among four subspecies. Chromosome distributions of each repeat sequence in Medicago sativa ssp. sativa were summarized from Yu et al. [33]
| Probes | ssp. caerulea (PI 464715) | ssp. sativa (Zhongmu No. 1) | Diploid ssp. falcata (PI 631808) | Tetraploid ssp. falcata (XiaNH-072X-824) |
|---|---|---|---|---|
| 18S–26S | 1 (secondary constriction) | 2 (secondary constriction) | 1 (secondary constriction) | 2 (secondary constriction) |
| 5S | 2 (near centromeric) | 4 (near centromeric) | 2 (near centromeric and interstitial region) | 4 (near centromeric and interstitial region) |
| MsCR-1 | 14 (pericentromeric) | 30–32 (pericentromeric) | 16 (pericentromeric) | 30–32 (pericentromeric) |
| MsCR-2 | 8 (pericentromeric) | 15 (pericentromeric) | 10 (pericentromeric) | 16–17 (pericentromeric) |
| MsCR-3 | 6 (pericentromeric) | 16 (pericentromeric) | 0–1 (pericentromeric) | 7–8 (pericentromeric) |
| MsCR-4 | 10 (pericentromeric) | 17 (pericentromeric) | 9 (pericentromeric) | 18 (pericentromeric) |
| MsCR-5 | 9 (pericentromeric) | 19 (pericentromeric) | 8 (pericentromeric) | 16–17 (pericentromeric) |
| MsTR-1 | 12–13 (subtelomeric) | 24–26 (subtelomeric) | 1 (subtelomeric) | 17 (subtelomeric) |
| clone 65 | 12–13 (subtelomeric) | 26 (subtelomeric) | 1 (subtelomeric) | 13 (subtelomeric) |
| clone 74 | 12–13 (subtelomeric) | 26 (subtelomeric) | 1 (subtelomeric) | 17 (subtelomeric) |
| E180 | 16 (multiple distribution) | 30–32 (multiple distribution) | 10–11 (mainly on pericentromeric) | 23–24 (multiple distribution) |
| clone 68 | 15 (multiple distribution) | 28 (multiple distribution) | 16 (mainly on pericentromeric) | 29 (multiple distribution) |
| clone 87 | 14 (multiple distribution) | 32 (multiple distribution) | 16 (mainly on pericentromeric) | 32 (multiple distribution) |