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The rax homeobox gene is mutated in the eyeless axolotl, Ambystoma mexicanum

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Vertebrate eye formation requires coordinated inductive interactions between different embryonic tissue layers, first described in amphibians. A network of transcription factors and signaling molecules controls these steps, with mutations causing… Click to show full abstract

Vertebrate eye formation requires coordinated inductive interactions between different embryonic tissue layers, first described in amphibians. A network of transcription factors and signaling molecules controls these steps, with mutations causing severe ocular, neuronal, and craniofacial defects. In eyeless mutant axolotls, eye morphogenesis arrests at the optic vesicle stage, before lens induction, and development of ventral forebrain structures is disrupted.

Keywords: eyeless axolotl; mutated eyeless; gene mutated; rax homeobox; homeobox gene; axolotl ambystoma

Journal Title: Developmental Dynamics
Year Published: 2020

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