Table 2.
Average GC content calculated in the first 5,000 nt flanking regions of the Helena copies, and of the intergenic and gene (exon plus introns) regions from Drosophila genomes
| 5,000 bp1 | Intergenic regions1 | Gene regions1 | ||
|---|---|---|---|---|
| Species | upstream | downstream | ||
| D. melanogaster2 | 43.08 ± 0.99 | 41.76 ± 0.91 | 38.08 ± 0.06 | 46.78 ± 0.06 |
| D. simulans2 | 40.60 ± 0.54 | 40.39 ± 0.52 | 39.92 ± 0.06 | 50.04 ± 0.05 |
| D. sechellia | 40.97 ± 0.41 | 41.02 ± 0.50 | 39.35 ± 0.05 | 50.03 ± 0.04 |
| D. yakuba | 40.43 ± 1.08 | 41.48 ± 0.83 | 38.78 ± 0.05 | 49.99 ± 0.05 |
| D. erecta | 36.80 ± 1.80 | 40.75 ± 1.25 | 39.08 ± 0.05 | 50.44 ± 0.05 |
| D. ananassae | 39.83 ± 0.56 | 39.62 ± 0.59 | 37.48 ± 0.05 | 49.44 ± 0.05 |
| D. mojavensis | 39.44 ± 0.95 | 37.17 ± 1.11 | 35.34 ± 0.05 | 47.81 ± 0.06 |
| D. virilis | 39.66 ± 0.90 | 40.00 ± 0. 89 | 36.52 ± 0.05 | 48.24 ± 0.05 |
1Mean ± SE;
2Helena copies [18].