Research Article
The Roles and Evolutionary Patterns of Intronless Genes in Deuterostomes
Table 2
Number of intronless genes with homologous genes in other taxonomic groups.
| Taxonomic group | Sea urchin | Sea squirt | Zebrafish | Chicken | Platypus | Human |
| Archaea | 764 | 625 | 524 | 385 | 143 | 1184 | Bacteria | 1303 | 873 | 1161 | 920 | 345 | 2524 | Fungi | 1492 | 1149 | 1067 | 817 | 413 | 2513 | Plants | 1480 | 1209 | 1070 | 809 | 441 | 2617 | Metazoans | 2447 | 1403 | 2027 | 1575 | 918 | 4807 | Other eukaryotes | 2337 | 1343 | 1897 | 1388 | 867 | 4055 | ORFans | 35 | 39 | 136 | 80 | 7 | 1416 |
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ORFans [23]: homologues not found in other species.
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