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Related Experiment Videos

Goosecoid and cerberus-like do not interact during mouse embryogenesis.

Ana C Borges1, Sara Marques, José A Belo

  • 1Instituto Gulbenkian de Ciência, Oeiras, Portugal.

The International Journal of Developmental Biology
|April 6, 2002
PubMed
Summary

Mouse Cerberus-like (Cer-l) is a neural inducer. Researchers investigated if goosecoid (gsc) compensates for Cer-l loss-of-function in head development but found no genetic interaction.

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Area of Science:

  • Developmental Biology
  • Molecular Biology
  • Genetics

Background:

  • Mouse Cerberus-like (Cer-l) is a neural inducer that inhibits Nodal and BMP-4 signaling.
  • Cer-l expression in the Anterior Visceral Endoderm (AVE) and prechordal plate suggests a role in head formation.
  • Loss-of-function of Cer-l alone does not cause abnormalities, implying compensatory mechanisms.

Purpose of the Study:

  • To investigate the potential genetic interaction between Cer-l and goosecoid (gsc) in mouse head development.
  • To determine if gsc can compensate for the loss of Cer-l function.
  • To analyze the role of these genes in head morphogenesis.

Main Methods:

  • Generation of cer-l;gsc double mutant mice.
  • Analysis of skeletal defects at birth in single and double mutants.

Related Experiment Videos

  • In situ hybridization to examine expression patterns of HNF-3beta, Six-3, and BF-1.

    • Main Results:

    • cer-l;gsc double mutants exhibited the same phenotype as gsc-/- single mutants.
    • Expression domains of HNF-3beta, Six-3, and BF-1 remained unchanged in the double mutants.
    • No evidence of genetic interaction or compensation between Cer-l and gsc was observed.

    Conclusions:

    • Goosecoid (gsc) does not compensate for Cer-l loss-of-function.
    • Cer-l and gsc do not appear to interact genetically in the context of head development.
    • Further research is needed to identify factors compensating for Cer-l loss.