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We report the cDNA sequence and expression of a mouse homeobox gene, Dmbx1, from the PRD class and comparison to its human orthologue. The gene defines a new homeobox gene family, Dmbx, phylogenetically distinct from the Ptx, Alx, Prx Otx, Gsc, Otp and Pax gene families. The Dmbx1 gene is expressed in the developing mouse diencephalon, midbrain and hindbrain, and has dynamic expression during forelimb and hindlimb development. Unusually for homeobox genes, there is no orthologue in the Drosophila or Caenorhabditis genomes; we argue this reflects secondary loss.

Original publication

DOI

10.1007/s00427-002-0244-1

Type

Journal article

Journal

Dev Genes Evol

Publication Date

07/2002

Volume

212

Pages

293 - 297

Keywords

Amino Acid Sequence, Animals, Brain, Extremities, Gene Expression Regulation, Developmental, Homeodomain Proteins, Humans, In Situ Hybridization, Mice, Molecular Sequence Data, Nerve Tissue Proteins, Otx Transcription Factors, Phylogeny, RNA, Messenger, Sequence Homology, Amino Acid