Analysis of Conserved Noncoding DNA in Drosophila Reveals Similar Constraints in Intergenic and Intronic Sequences

Table 2.

Number of Nucleotides Surveyed, Conserved, and Percent Sequence Conservation of Intergenic and Intronic Regions Analyzed in This Study

Intergenic region Drosophila melanogaster bp surveyed Drosophila virilisbp surveyed Bp conserved Drosophila melanogaster % conserved Drosophila virilis % conserved
achaete-scute 2151 5434 559 26 10
Antennapedia 3894 3624 799 21 22
bride of sevenless 1458 1730 194 13 11
brown 269 286 113 42 40
decapentaplegic 12271 15,562 4173 34 27
dopadecarboxylase 590 523 178 30 34
D-mef2 10117 14,083 1407 14 10
e74 294 331 120 41 36
engrailed 2222 2716 738 33 27
frmf-amide 2072 2623 438 21 17
fused 347 275 179 52 65
fushi tarazu 385 464 135 35 29
glass 1779 1281 488 27 38
hairy 11,942 12,673 3549 30 28
hunchback 3423 3624 808 24 22
knirps 1631 1559 327 20 21
paramyosin 1444 1803 295 20 16
prospero 5525 7714 2053 37 27
runt 5995 6170 498 8 8
tailless 3646 3906 1095 30 28
teashirt 787 846 416 53 49
tinman 1531 1213 445 29 37
troponin T 427 389 64 15 16
twist 1322 1153 301 23 26
wingless 3979 5213 973 24 19
zerknullt 373 397 156 42 39
Intergenic total 79,874 95,592 20,501 26 21
Intronic region Drosophila melanogaster bp surveyed Drosophila virilis bp surveyed Bp conserved Drosophila melanogaster % conserved Drosophila virilis % conserved
Antennapedia 2648 2861 881 33 31
bride of sevenless 1308 1951 399 31 20
corkscrew 521 1102 153 29 14
decapentaplegic 832 929 435 52 47
engrailed 1026 1271 416 41 33
glass 68 111 36 53 32
Gpdh 1448 2346 222 15 9
hunchback 2630 3574 892 34 25
knirps 614 705 273 44 39
miniparamyosin 1002 1563 251 25 16
myosin light chain 1223 1187 400 33 34
paralytic 173 171 80 46 47
pdm-2 708 642 215 30 33
prospero 4603 5511 1327 29 24
rough 2659 4239 627 24 15
sevenless 2266 2606 262 12 10
single minded 3119 4777 851 27 18
Staufen 1170 1628 349 30 21
tinman 309 381 158 51 41
trithorax 5162 4988 871 17 17
vestigial 652 696 316 48 45
Intronic total 34141 43239 9414 28 22
Grand total 114015 138831 29915 26 22

  • The amount of DNA conserved is by definition the same in each species, thus the size differences are due to length changes in unalignable sequences. The species with the larger regional size is shown in bold.

This Article

  1. Genome Res. 11: 1335-1345

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