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Keywords:

  • Brachyury;
  • cell fate;
  • morphogenesis;
  • target genes;
  • T-box

Members of the T-box gene family have been identified in both vertebrates and invertebrates, where they play key roles in the regulation of embryonic development, and particularly in morphogenesis and the assignment of cell fate. T-box proteins act as transcription factors which regulate the expression of downstream effector genes. This review focuses on the identification of T-box target genes and the basis of T-box functional specificity.