Table 1. Frequency of SSR motifs (1–6 bp) in all genomes investigated in the present study.
| SSR type | Genome |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| N1 | N2 | M1 | M2 | C1 | C2 | Tomato | Potato | Cucumber | Arabidopsis | Rice | |
| Mono- | 377,376 | 375,358 | 22 | 23 | 25 | 27 | 86,922 | 121,911 | 69,085 | 34,751 | 64,831 |
| Di- | 198,033 | 185,688 | 7 | 8 | — | — | 62,486 | 41,875 | 25,117 | 9,375 | 37,370 |
| Tri- | 254,288 | 251,631 | 15 | 15 | 3 | 3 | 71,356 | 65,020 | 27,799 | 17,469 | 82,171 |
| Tetra- | 33,639 | 33,645 | — | 1 | 1 | 1 | 11,291 | 7,595 | 5,176 | 922 | 8,210 |
| Penta- | 6,663 | 6,507 | — | — | — | — | 1,761 | 3,122 | 1,665 | 351 | 2,958 |
| Hexa- | 6,581 | 6,686 | — | — | — | — | 1,582 | 2,047 | 1,105 | 178 | 1,393 |
| Total number | 876,580 | 859,515 | 44 | 47 | 29 | 31 | 235,398 | 241,570 | 129,947 | 63,046 | 196,933 |
| Compounda | 136,857 | 123,281 | 2 | 2 | 1 | 1 | 51,415 | 31,706 | 16,716 | 6,929 | 35,197 |
| Cumulative (%)b | 0.50 | 0.45 | 0.11 | 0.12 | 0.23 | 0.26 | 0.59 | 0.61 | 1.32 | 0.96 | 1.12 |
| Densityc | 260.58 | 243.62 | 86.71 | 91.88 | 184.97 | 197.90 | 285.70 | 312.50 | 654.55 | 529.15 | 527.62 |
aNumber of SSRs present in compound formation.
bThe ratio of cumulative sequence length of all SSR motifs to genome size.
cNumber of SSRs present in one million bases (SSRs/Mbp).