Table 4 Summary of SSRs distributed in all silkworm genomic scaffolds
No. of repeats | ≥ 6 | ≥ 7 | ≥ 8 | ≥ 9 | ≥ 10 |
|---|---|---|---|---|---|
Scaffold | 9,426 | 6,809 | 5,046 | 3,763 | 2,893 |
SSR | 21,122 | 11,788 | 7,679 | 5,238 | 3,782 |
AC (%) | 4,024 (19.1%) | 2,486 (21.1%) | 1,729 (22.5%) | 1,243 (23.7%) | 933 (24.7%) |
AG (%) | 4,707 (22.3%) | 3,268 (27.7%) | 2,426 (31.6%) | 1,800 (34.4%) | 1,349 (35.7%) |
AT (%) | 5,969 (28.3%) | 3,237 (27.5%) | 2,182 (28.4%) | 1,521 (29.0%) | 1,120 (29.6%) |
CG (%) | 56 (0.27%) | 8 (0.07%) | 4 (0.05%) | 3 (0.06%) | 3 (0.08%) |
T/T1 (%) | 6,366 (30.1%) | 2,789 (23.7%) | 1,338 (17.4%) | 671 (12.8%) | 377 (10.0%) |
Details of T/T1 | Â | Â | Â | Â | Â |
AT-rich (%) | 5,979 (93.9%) | 2,627 (94.2%) | 1,230 (91.9%) | 590 (87.9%) | 313 (83.0%) |
Most tri- | AAT (2,589) | AAT (1,047) | AAT (441) | AAT (181) | ATC (79) |
| Â | ACT (976) | ACT (516) | ACT (269) | ATC (133) | AAT (73) |
| Â | ATC (923) | ATC (499) | ATC (262) | ACT (130) | ACT (67) |
Most tetra- | AAAT (545) | AAAT (216) | AAAT (110) | AAAT (70) | AAAT (43) |
| Â | ACAT (74) | AAAG (43) | AAAG (35) | AAAG (24) | AAAG (19) |
| Â | AAAG (65) | ACGC (37) | ACGC (28) | ACGC (23) | ACGC (18) |