Table 3.
Number, length, frequency, and density of the most frequent SSR motifs for each SSR type in palm genomes
| Repeat motif type | Parameter | P. dactylifera | C. nucifera | C. simplicifolius | E. oleifera | E. guineensis |
|---|---|---|---|---|---|---|
| A | Number of SSRs | 31368 | 131905 | 188454 | 50637 | 20651 |
| Total length (bp) | 421010 | 2288571 | 2816200 | 697952 | 281897 | |
| Frequency (SSR/Mb) | 56.37 | 71.72 | 96.11 | 36.10 | 41.38 | |
| Density (bp/Mb) | 756.56 | 1244.35 | 1436.24 | 497.57 | 564.89 | |
| C | Number of SSRs | 4574 | 10681 | 29738 | 3302 | 33 |
| Total length (bp) | 64517 | 214386 | 477464 | 45530 | 444 | |
| Frequency (SSR/Mb) | 8.22 | 5.81 | 15.17 | 2.35 | 0.07 | |
| Density (bp/Mb) | 115.94 | 116.57 | 243.50 | 32.46 | 0.89 | |
| AT | Number of SSRs | 16405 | 49505 | 73131 | 36840 | 15913 |
| Total length (bp) | 384960 | 1194804 | 2064214 | 801040 | 321888 | |
| Frequency (SSR/Mb) | 29.48 | 26.92 | 37.30 | 26.26 | 31.89 | |
| Density (bp/Mb) | 691.78 | 649.64 | 1052.74 | 571.06 | 645.03 | |
| AG | Number of SSRs | 24498 | 37493 | 56621 | 27114 | 6043 |
| Total length (bp) | 548096 | 854432 | 1214612 | 549626 | 115996 | |
| Frequency (SSR/Mb) | 44.02 | 20.39 | 28.88 | 19.33 | 12.11 | |
| Density (bp/Mb) | 984.93 | 464.57 | 619.44 | 391.83 | 232.44 | |
| AC | Number of SSRs | 5716 | 9393 | 9444 | 10139 | 6583 |
| Total length (bp) | 121652 | 191274 | 207532 | 202016 | 128190 | |
| Frequency (SSR/Mb) | 10.27 | 5.11 | 4.82 | 7.23 | 13.19 | |
| Density (bp/Mb) | 218.609 | 104.00 | 105.84 | 144.02 | 256.88 | |
| AAT | Number of SSRs | 4702 | 14147 | 15355 | 6666 | 3073 |
| Total length (bp) | 100233 | 287169 | 324243 | 137616 | 66840 | |
| Frequency (SSR/Mb) | 8.45 | 7.69 | 7.83 | 4.75 | 6.16 | |
| Density (bp/Mb) | 180.12 | 156.14 | 165.36 | 98.11 | 133.94 | |
| AAG | Number of SSRs | 5349 | 10634 | 14152 | 7636 | 2179 |
| Total length (bp) | 97662 | 187221 | 245298 | 135789 | 37794 | |
| Frequency (SSR/Mb) | 9.61 | 5.78 | 7.22 | 5.44 | 4.37 | |
| Density (bp/Mb) | 175.50 | 101.80 | 125.10 | 96.80 | 75.74 | |
| AGG | Number of SSRs | 2977 | 2357 | 3512 | 2774 | 204 |
| Total length (bp) | 54216 | 41088 | 63447 | 48822 | 3342 | |
| Frequency (SSR/Mb) | 5.35 | 1.28 | 1.79 | 1.98 | 0.41 | |
| Density (bp/Mb) | 97.43 | 22.34 | 32.36 | 34.81 | 6.70 | |
| ATC | Number of SSRs | 1501 | 1846 | 7215 | 1301 | 623 |
| Total length (bp) | 25269 | 31590 | 130437 | 22332 | 10743 | |
| Frequency (SSR/Mb) | 2.70 | 1.00 | 3.68 | 0.93 | 1.25 | |
| Density (bp/Mb) | 45.41 | 17.18 | 66.52 | 15.92 | 21.53 | |
| ACAT | Number of SSRs | 2598 | 11404 | 4124 | 6140 | 6786 |
| Total length (bp) | 54624 | 260300 | 85240 | 123208 | 141664 | |
| Frequency (SSR/Mb) | 4.67 | 6.20 | 2.10 | 4.38 | 13.60 | |
| Density (bp/Mb) | 98.16 | 141.53 | 43.47 | 87.84 | 283.88 | |
| AAAT | Number of SSRs | 4217 | 11376 | 10768 | 5458 | 2406 |
| Total length (bp) | 79320 | 205164 | 192744 | 97060 | 43100 | |
| Frequency (SSR/Mb) | 7.58 | 6.19 | 5.49 | 3.89 | 1.72 | |
| Density (bp/Mb) | 142.54 | 111.55 | 98.30 | 69.19 | 30.73 | |
| AAAG | Number of SSRs | 2115 | 3419 | 7449 | 3011 | 695 |
| Total length (bp) | 39336 | 60516 | 134672 | 52956 | 12220 | |
| Frequency (SSR/Mb) | 3.80 | 1.86 | 3.80 | 2.15 | 1.39 | |
| Density (bp/Mb) | 70.69 | 32.90 | 68.68 | 37.75 | 24.49 | |
| AATT | Number of SSRs | 167 | 2166 | 1764 | 1007 | 279 |
| Total length (bp) | 2844 | 38332 | 32752 | 17628 | 4864 | |
| Frequency (SSR/Mb) | 0.30 | 1.18 | 0.90 | 0.72 | 0.56 | |
| Density (bp/Mb) | 5.11 | 20.84 | 16.70 | 12.57 | 9.75 | |
| AAAAT | Number of SSRs | 652 | 6646 | 3360 | 887 | 508 |
| Total length (bp) | 14160 | 143850 | 70780 | 18960 | 10740 | |
| Frequency (SSR/Mb) | 1.17 | 3.61 | 1.71 | 0.63 | 1.02 | |
| Density (bp/Mb) | 25.45 | 78.22 | 36.10 | 13.52 | 21.52 | |
| AAAAG | Number of SSRs | 846 | 1761 | 1228 | 1101 | 432 |
| Total length (bp) | 18895 | 37900 | 26140 | 23915 | 9365 | |
| Frequency (SSR/Mb) | 1.52 | 0.96 | 0.63 | 0.79 | 0.87 | |
| Density (bp/Mb) | 33.95 | 20.61 | 13.33 | 17.05 | 18.77 | |
| AATAT | Number of SSRs | 612 | 2662 | 946 | 889 | 761 |
| Total length (bp) | 13630 | 61295 | 20375 | 19400 | 17180 | |
| Frequency (SSR/Mb) | 1.10 | 1.45 | 0.48 | 0.63 | 1.53 | |
| Density (bp/Mb) | 24.49 | 33.33 | 10.39 | 13.83 | 34.43 | |
| AAATT | Number of SSRs | 35 | 6313 | 309 | 502 | 385 |
| Total length (bp) | 725 | 138175 | 6600 | 11295 | 8790 | |
| Frequency (SSR/Mb) | 0.06 | 3.43 | 0.16 | 0.36 | 0.77 | |
| Density (bp/Mb) | 1.30 | 75.13 | 3.37 | 8.05 | 17.61 | |
| AGAGGG | Number of SSRs | 189 | 78 | 107 | 198 | 7 |
| Total length (bp) | 4836 | 1920 | 2736 | 5184 | 174 | |
| Frequency (SSR/Mb) | 0.34 | 0.04 | 0.06 | 0.14 | 0.01 | |
| Density (bp/Mb) | 8.69 | 1.04 | 1.40 | 3.70 | 0.35 | |
| AAAAAT | Number of SSRs | 146 | 938 | 457 | 83 | 96 |
| Total length (bp) | 3738 | 23424 | 11382 | 2064 | 2382 | |
| Frequency (SSR/Mb) | 0.26 | 0.51 | 0.23 | 0.06 | 0.19 | |
| Density (bp/Mb) | 6.72 | 12.74 | 5.81 | 1.47 | 4.77 | |
| ACATAT | Number of SSRs | 87 | 360 | 421 | 303 | 426 |
| Total length (bp) | 2490 | 9678 | 11988 | 8736 | 12360 | |
| Frequency (SSR/Mb) | 0.16 | 0.20 | 0.22 | 0.22 | 0.85 | |
| Density (bp/Mb) | 4.48 | 5.26 | 6.11 | 6.23 | 24.77 | |
| AAAAAG | Number of SSRs | 109 | 239 | 209 | 120 | 67 |
| Total length (bp) | 2790 | 5976 | 5232 | 3096 | 1704 | |
| Frequency (SSR/Mb) | 0.20 | 0.13 | 0.11 | 0.09 | 0.13 | |
| Density (bp/Mb) | 5.01 | 3.25 | 2.67 | 2.21 | 3.42 |