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Brachyury and the T-box genes

J Smith1

  • 1Division of Developmental Biology, National Institute for Medical Research, London, UK. jim@nimr.mrc.ac.uk

Current Opinion in Genetics & Development
|August 1, 1997
PubMed
Summary

Brachyury (T) is a key transcription factor. Its gene family, T-box, is crucial for embryonic development, with mutations linked to human diseases like Holt-Oram syndrome.

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Area of Science:

  • Developmental Biology
  • Genetics
  • Molecular Biology

Background:

  • Brachyury (T) is the founding member of the T-box family of transcription factors.
  • These factors possess a conserved 200 amino acid DNA-binding domain.
  • Recent research focuses on Brachyury expression regulation and embryonic function.

Purpose of the Study:

  • To review the regulation and function of Brachyury in embryonic development.
  • To highlight the discovery of new T-box family members in various species.
  • To underscore the significance of the T-box gene family through disease association.

Main Methods:

  • Literature review of recent studies on Brachyury and T-box genes.
  • Analysis of findings related to gene expression and function.
  • Examination of genetic mutation data and associated human syndromes.

Main Results:

  • Brachyury's role in embryonic development is increasingly understood.
  • New T-box genes have been identified across vertebrate and invertebrate embryos.
  • Mutations in human TBX5 are confirmed causes of Holt-Oram syndrome.

Conclusions:

  • The T-box gene family plays a vital role in embryonic development.
  • Understanding Brachyury and its family is crucial for developmental biology.
  • Genetic defects in T-box genes have significant implications for human health, exemplified by Holt-Oram syndrome.

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