From: Codon usage is associated with the evolutionary age of genes in metazoan genomes
a | Â | Â | Â | Â | Â |
---|---|---|---|---|---|
D. melanogater gene is in Age group: | If the furthest species containing a homologue is among: | Â | Â | Â | Â |
1 | D. melanogaster, D. sechellia, D. simulans, D. erecta, D. yakuba | Â | Â | Â | Â |
2 | D. ananassae | Â | Â | Â | Â |
3 | D. pseudoobscura, D. persimilis | Â | Â | Â | Â |
4 | D. wilistoni | Â | Â | Â | Â |
5 | D. mojavensis, D. grimshawi, D. virilis | Â | Â | Â | Â |
6 | Ades aegypti., Anopheles gambiae. | Â | Â | Â | Â |
7 | Vertebrates, C. elegans | Â | Â | Â | Â |
8 | Saccharomyces cerevisiae | Â | Â | Â | Â |
b | Â | Â | Â | Â | Â |
Age group | # genes | Coding region GC content | Protein length | ||
 |  | Mean | SD | Mean | SD |
1 | 336 | 0.49 | ± 0.06 | 412 | ± 892 |
2 | 130 | 0.49 | ± 0.06 | 401 | ± 406 |
3 | 160 | 0.49 | ± 0.06 | 394 | ± 245 |
4 | 147 | 0.51 | ± 0.06 | 456 | ± 421 |
5 | 2582 | 0.54 | ± 0.06 | 568 | ± 691 |
6 | 1841 | 0.55 | ± 0.05 | 650 | ± 625 |
7 | 3155 | 0.55 | ± 0.04 | 578 | ± 471 |
8 | 2632 | 0.55 | ± 0.04 | 543 | ± 406 |
Total | 10983 | Â | Â | Â | Â |