Mutations in hedgehog acyltransferase (hhat) perturb hedgehog signaling, resulting in severe acrania-holoprosencephaly-agnathia craniofacial defects.
Dennis JF, Kurosaka H, Iulianella A, Pace J, Thomas N, Beckham S, Williams T, Trainor PA. PLoS Genet. 2012;8:e1002927.
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