Article
Subfunctionalization of duplicated zebrafish pax6 genes by cis-regulatory divergence.
PLoS genetics - 1 Feb 2008
Kleinjan Dirk A, Bancewicz Ruth M, Gautier Philippe, Dahm Ralf, Schonthaler Helia B, Damante Giuseppe, Seawright Anne, Hever Ann M, Yeyati Patricia L, van Heyningen Veronica, Coutinho Pedro
Abstract excerpt
Gene duplication is a major driver of evolutionary divergence. In most vertebrates a single PAX6 gene encodes a transcription factor required for eye, brain, olfactory system, and pancreas development. In zebrafish, following a postulated whole-genome duplication event in an ancestral teleost, duplicates pax6a and pax6b jointly fulfill these roles. Mapping of the homozygously viable eye mutant sunrise identified...
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