Wnt signalling underlies the evolution of new phenotypes and craniofacial variability in Lake Malawi cichlids.

Abstract excerpt

Progress towards understanding adaptive radiations at the mechanistic level is still limited with regard to the proximate molecular factors that both promote and constrain evolution. Here we focus on the craniofacial skeleton and show that expanded Wnt/β-catenin signalling early in ontogeny is associated with the evolution of phenotypic novelty and ecological opportunity in Lake Malawi cichlids. We demonstrate...

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