Table 8 Analysis of density, average size and GC content of genes, exons and introns in putative heterochromatin and euchromatin of T. castaneum
From: Analysis of repetitive DNA distribution patterns in the Tribolium castaneum genome
| Â | Heterochromatin | Euchromatin | Average in anchored genome |
|---|---|---|---|
Length (Mb) | 54.7 | 83.0 | - |
Percentage in anchored scaffolds | 40 | 60 | 100 |
GC content (%) | 32.4 | 35.1 | 34.0 |
Average gene size (kb) | 6.5 | 5.0 | 5.5 |
Gene* size/MB (kb) | 546 | 602 | 579 |
Number of genes/Mb | 83 | 120 | 105 |
Gene GC content (%) | 33.6 | 36.5 | 35.4 |
Average exon size (bp) | 312 | 329 | 314 |
Exon* size/gene (bp) | 1,272 | 1,501 | 1,429 |
Number of exons/gene | 4.1 | 4.6 | 4.4 |
Number of exons/Mb | 340 | 547 | 465 |
Exon GC content (%) | 44.8 | 46.3 | 45.9 |
Average intron size (bp) | 2,711 | 1,705 | 1,999 |
Intron* size/gene (bp) | 5,238 | 3,694 | 4,180 |
Number of introns/gene | 3.1 | 3.6 | 3.4 |
Number of introns/Mb | 339 | 543 | 462 |
Intron GC content (%) | 30.8 | 32.8 | 32.0 |