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Pax genes, mutants and molecular function.

G Chalepakis1, P Tremblay, P Gruss

  • 1Max-Planck Institute for Biophysical Chemistry, Department of Molecular Cell Biology, Göttingen, FRG.

Journal of Cell Science. Supplement
|January 1, 1992
PubMed
Summary
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The paired domain, a DNA-binding motif found in Drosophila, is encoded by conserved paired box sequences. Mouse Pax genes, containing this domain, are crucial developmental control genes active during embryogenesis.

Area of Science:

  • Developmental Biology
  • Genetics
  • Molecular Biology

Background:

  • The paired domain is a conserved DNA-binding motif initially identified in Drosophila segmentation gene products.
  • This motif is encoded by a conserved paired box DNA sequence found across various species.
  • Mouse paired box (Pax) genes are homologous to these sequences and exhibit specific expression patterns during embryogenesis.

Purpose of the Study:

  • To investigate the role of paired box (Pax) genes in embryonic development.
  • To understand the DNA-binding and transcriptional regulatory functions of Pax proteins.

Main Methods:

  • Analysis of conserved paired box DNA sequences in genomes.
  • Studying the spatiotemporal expression patterns of mouse Pax genes during embryogenesis.

Related Experiment Videos

  • Investigating the DNA-binding capabilities and transcriptional modulation by Pax proteins.

    • Main Results:

    • Pax genes are expressed in distinct spatiotemporal patterns during mouse embryogenesis.
    • Pax proteins demonstrate the ability to bind specific DNA sequences.
    • Pax proteins can modulate transcriptional activity.

    Conclusions:

    • Pax genes are essential developmental control genes, as evidenced by their conserved nature and roles in embryogenesis.
    • The DNA-binding and transcriptional regulatory functions of Pax proteins underscore their importance in development.
    • The correspondence of three Pax genes to mouse and human mutants highlights their critical function.