Transcriptional Regulatory Elements from Fish and Fly with Conserved Function in Mammals
| Genome | Gene | Functional test | Reference |
| Fugu | Hoxb4 | Rhombomere expression in transgenic mice | Aparicio et al. 1995 |
| Fugu | Oxytocin | Neuron-specific expression in transgenic rat | Venkatesh et al. 1997 |
| Drosophila | Pax6 | Eye-specific expression in transgenic mice | Xu et al. 1999 |
| Danio | Shh | Expression in notochord of transgenic mice | Müller et al. 1999 |