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Mech Dev. 1998 Jun;74(1-2):121-31.

Mammalian and Drosophila dachshund genes are related to the Ski proto-oncogene and are expressed in eye and limb.

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MRC-Human Genetics Unit, Western General Hospital, Crewe Rd, Edinburgh EH4 2XU, UK.


We have isolated mammalian homologues of the Drosophila dachshund gene. Two domains of high conservation, one of which contains an alpha-helical, coiled-coil motif, show similarity to the Ski family of genes. We therefore propose that Dachshund belongs to a superfamily including these genes. Mouse Dachshund (Dach) is expressed in the eye and limb, structures affected by the Drosophila loss-of-function mutant, and rib primordia, CNS and genital eminence. Pax6 and Dach show overlapping but non-identical expression patterns. Dach expression is unaffected in smalleye mouse brain, indicating that Pax6 is not directly activating Dach. In Drosophila eye development dachshund is a component of an interacting network of proteins. Genes homologous to many of these exist in mammals; Dach joins this expanding group.

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