Table 1.
Total Lengths of Simple Sequence Repeats by Repeated Unit Length
| Taxonomic group | Genomic region | Length of repeated motif (bp) | Total | |||||
| 1 | 2 | 3 | 4 | 5 | 6 | |||
| Primates | ||||||||
| all | 3429 | 1643 | 477 | 1368 | 898 | 341 | 8156 | |
| intergenic regions | 3880 | 1709 | 517 | 1464 | 991 | 385 | 8946 | |
| introns | 4137 | 1506 | 424 | 1428 | 988 | 392 | 8875 | |
| exons | 49 | 10 | 1126 | 29 | 57 | 244 | 1515 | |
| Human chromosome 22 | ||||||||
| all | 5141 | 1511 | 604 | 1906 | 1097 | 419 | 10678 | |
| Rodentia | ||||||||
| all | 1839 | 5461 | 1196 | 2942 | 1417 | 1034 | 13889 | |
| intergenic regions | 2192 | 5928 | 1230 | 2823 | 1577 | 740 | 14490 | |
| introns | 2182 | 5837 | 1123 | 3009 | 1399 | 922 | 14472 | |
| exons | 62 | 70 | 1557 | 63 | 116 | 620 | 2488 | |
| Mammalia | ||||||||
| all | 1397 | 2312 | 532 | 915 | 774 | 693 | 6623 | |
| intergenic regions | 1954 | 4666 | 531 | 1529 | 1115 | 1155 | 10950 | |
| introns | 1967 | 2202 | 395 | 792 | 685 | 637 | 6678 | |
| exons | 69 | 88 | 876 | 19 | 18 | 356 | 1426 | |
| Vertebrata | ||||||||
| all | 1418 | 2449 | 1069 | 1279 | 709 | 220 | 7144 | |
| intergenic regions | 2193 | 3363 | 1127 | 1766 | 1201 | 320 | 9970 | |
| introns | 1476 | 3193 | 861 | 1502 | 585 | 142 | 7759 | |
| exons | 49 | 0 | 823 | 0 | 26 | 75 | 973 | |
| Arthropoda | ||||||||
| all | 985 | 1403 | 956 | 439 | 732 | 875 | 5390 | |
| intergenic regions | 1462 | 2259 | 1128 | 621 | 1110 | 1090 | 7670 | |
| introns | 950 | 1627 | 728 | 461 | 735 | 917 | 5418 | |
| exons | 12 | 34 | 1566 | 0 | 21 | 591 | 2224 | |
| C. elegans | ||||||||
| all | 428 | 556 | 337 | 144 | 225 | 449 | 2139 | |
| intergenic regions | 573 | 822 | 414 | 198 | 310 | 574 | 2891 | |
| introns | 512 | 549 | 228 | 169 | 283 | 556 | 2297 | |
| exons | 43 | 54 | 308 | 18 | 38 | 116 | 577 | |
| Embryophyta | ||||||||
| all | 1245 | 1067 | 880 | 184 | 491 | 272 | 4139 | |
| intergenic regions | 2012 | 1715 | 869 | 303 | 781 | 334 | 6014 | |
| introns | 1380 | 1322 | 576 | 260 | 547 | 207 | 4292 | |
| exons | 18 | 50 | 1119 | 2 | 29 | 303 | 1521 | |
| S. cerevisiae | ||||||||
| all | 1075 | 580 | 646 | 93 | 204 | 406 | 3004 | |
| intergenic regions | 3140 | 1875 | 512 | 273 | 494 | 532 | 6826 | |
| introns | 3012 | 1437 | 516 | 162 | 509 | 288 | 5924 | |
| exons | 36 | 19 | 706 | 7 | 52 | 330 | 1150 | |
| Fungi | ||||||||
| all | 905 | 272 | 485 | 194 | 395 | 426 | 2677 | |
| intergenic regions | 2080 | 555 | 550 | 421 | 925 | 548 | 5079 | |
| introns | 2075 | 1013 | 951 | 458 | 659 | 661 | 5817 | |
| exons | 9 | 4 | 381 | 2 | 35 | 219 | 650 | |
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↵Base pairs (bp) per megabase of DNA.
