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Abstract:
Limb Expression1 (Lix1), a founding member of a novel gene family, was identified in a screen for genes transiently and locally expressed during early chicken limb development. Most prominently, Lix1 is transiently expressed in the nascent hindlimb bud between Hamburger–Hamilton stages 15 and 19. Chicken Lix1 transcripts are also found in the basal plate of rhombomeres 3 and 5, in pharyngeal and in foregut mesenchyme and in all facial primordia except for the mandibular arches. Homologs of chick Lix1 exist in human, mouse and Drosophila.
