Table 1 Summary of gene duplications in four teleost model species
Zebrafish | Medaka | Stickleback | Tetraodon | |
|---|---|---|---|---|
Genes | 26,842 | 18,027 | 19,178 | 14,038 |
Duplication sets | 3,991 | 2,584 | 2,669 | 2,020 |
Average duplication set size (gene number) | 4.3 | 5.4 | 5.4 | 5.4 |
Inter-chromosomal duplication sets | 3,109 (77.9%) | 2,249 (87.0%) | 2,262 (84.8%) | 1,645 (81.4%) |
Intra-chromosomal duplication sets | 1,264 (31.7%) | 614 (23.8%) | 573 (21.5%) | 477 (23.6%) |
Tandem duplication sets | 612 (15.3%) | 260 (10.1%) | 373 (14.0%) | 303 (15.0%) |
Mixed duplication sets | 994 | 539 | 539 | 405 |