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Related Experiment Videos

Spatial and temporal patterns of lin-12 expression during C. elegans hermaphrodite development

H A Wilkinson1, I Greenwald

  • 1Department of Biochemistry and Molecular Biophysics, Columbia University, College of Physicians and Surgeons, New York, New York 10032, USA.

Genetics
|October 1, 1995
PubMed
Summary

The lin-12 gene, crucial for cell communication in Caenorhabditis elegans development, shows specific expression patterns. This reporter gene aids research into cell fate determination, particularly in reproductive and external structures.

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Area of Science:

  • Developmental Biology
  • Genetics
  • Cell Biology

Background:

  • The lin-12 gene encodes a receptor vital for cell-cell interactions.
  • These interactions are critical during Caenorhabditis elegans development.

Purpose of the Study:

  • To examine the expression pattern of a lin-12::lacZ reporter gene.
  • To understand the role of lin-12 expression in cell fate decisions during development.

Main Methods:

  • Utilized a lin-12::lacZ reporter gene in Caenorhabditis elegans.
  • Monitored reporter gene expression in individual cells during hermaphrodite development.

Main Results:

  • lin-12::lacZ exhibits a distinct spatial and temporal expression pattern.

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  • Expression generally correlates with cells affected in lin-12 mutants, suggesting regulatory roles.
  • Exceptions in expression may explain previously unexplained aspects of lin-12 mutant phenotypes.

    • Conclusions:

    • The lin-12::lacZ reporter is a valuable marker for somatic gonadal and vulval development studies.
    • Restricted lin-12 expression appears to be a key regulatory mechanism in cell fate determination.
    • For non-variable cell fate decisions, posttranscriptional regulation of lin-12 may control specification.