Evolution: convergent eye losses in fishy circumstances.
Eye loss has occurred independently several times in Mexican cavefish. A new study shows that some aspects of vision can be restored by crossing cavefish from different populations, suggesting that changes at multiple loci contribute to eye loss.
Niven
Jeremy E
JE
Department of Zoology, Downing Street, University of Cambridge, Cambridge, CB2 3EJ, UK. jen22@hermes.cam.ac.uk
D000818:Animals; D005075:Biological Evolution; D001766:Blindness / Q000235:genetics / Q000662:veterinary; D005123:Eye / Q000254:growth & development*; D005393:Fish Diseases / Q000235:genetics; D005399:Fishes / Q000145:classification / Q000235:genetics* / Q000254:growth & development; D006824:Hybridization, Genetic; D008800:Mexico; D009154:Mutation; D010802:Phylogeny; D014785:Vision, Ocular / Q000235:genetics* / Q000502:physiology; D014796:Visual Perception / Q000235:genetics / Q000502:physiology