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Related Experiment Videos

Wnt signalling: refocusing on Strabismus.

Carl-Philipp Heisenberg1

  • 1Max-Planck-Institute for Molecular Cell Biology and Genetics, Pfotenhauerstr. 108, 01307, Dresden, Germany. heisenberg@mpi-cbg.de

Current Biology : CB
|October 4, 2002
PubMed
Summary
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The Strabismus/van Gogh (stbm/vang) gene is crucial for vertebrate development. In zebrafish gastrulation, stbm/vang is essential for morphogenesis but not for patterning.

Area of Science:

  • Developmental biology
  • Genetics
  • Molecular biology

Background:

  • Vertebrate homologues of the Strabismus/van Gogh (stbm/vang) gene play roles in embryonic development.
  • Previous research suggests stbm/vang involvement in gastrulation patterning and morphogenesis.

Purpose of the Study:

  • To investigate the specific role of stbm/vang during zebrafish gastrulation.
  • To determine whether stbm/vang is required for patterning or morphogenesis.

Main Methods:

  • Analysis of zebrafish trilobite mutants, which harbor mutations in stbm/vang.
  • Observation and analysis of gastrulation processes in wild-type versus mutant zebrafish embryos.

Main Results:

  • The stbm/vang gene is mutated in zebrafish trilobite mutants.

Related Experiment Videos

  • Mutations in stbm/vang disrupt gastrulation morphogenesis.
  • Patterning during zebrafish gastrulation remains unaffected in stbm/vang mutants.

    • Conclusions:

    • The stbm/vang gene is essential for proper morphogenesis during zebrafish gastrulation.
    • stbm/vang's function is specific to morphogenesis, not patterning, in this developmental stage.