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Related Experiment Video

Updated: Jul 10, 2026

Visualization of Caenorhabditis elegans Cuticular Structures Using the Lipophilic Vital Dye DiI
08:22

Visualization of Caenorhabditis elegans Cuticular Structures Using the Lipophilic Vital Dye DiI

Published on: January 30, 2012

Muscle-epidermis interactions affect exoskeleton patterning in Caenorhabditis elegans.

Limor Broday1, Craig A Hauser, Irina Kolotuev

  • 1Department of Cell and Developmental Biology, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel. broday@post.tau.ac.il

Developmental Dynamics : an Official Publication of the American Association of Anatomists
|October 17, 2007
PubMed
Summary

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Muscle defects in unc-95 mutant worms disrupt cuticle structure and trigger signaling pathways. This intercellular communication regulates cuticle synthesis and patterning, revealing a novel mechanism for maintaining epidermal integrity.

Area of Science:

  • Cell Biology
  • Developmental Biology
  • Biochemistry

Background:

  • The C. elegans hypodermis is a single epithelial layer that secretes the cuticle.
  • Cuticle synthesis and secretion regulation are poorly understood.
  • UNC-95 is crucial for muscle adhesion and force transduction.

Purpose of the Study:

  • To investigate the role of UNC-95 in cuticle formation and regulation.
  • To understand the signaling pathways involved in cuticle synthesis.
  • To elucidate the connection between muscle integrity and hypodermal function.

Main Methods:

  • Gene expression profiling in unc-95 mutant worms.
  • In vivo assays to assess cuticle structure and molting.
  • Analysis of muscle-dense body and M-line complexes.

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Methods for Skin Wounding and Assays for Wound Responses in C. elegans
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Methods for Skin Wounding and Assays for Wound Responses in C. elegans

Published on: December 3, 2014

Methods to Assess Subcellular Compartments of Muscle in C. elegans
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Methods to Assess Subcellular Compartments of Muscle in C. elegans

Published on: November 13, 2014

Related Experiment Videos

Last Updated: Jul 10, 2026

Visualization of Caenorhabditis elegans Cuticular Structures Using the Lipophilic Vital Dye DiI
08:22

Visualization of Caenorhabditis elegans Cuticular Structures Using the Lipophilic Vital Dye DiI

Published on: January 30, 2012

Methods for Skin Wounding and Assays for Wound Responses in C. elegans
09:06

Methods for Skin Wounding and Assays for Wound Responses in C. elegans

Published on: December 3, 2014

Methods to Assess Subcellular Compartments of Muscle in C. elegans
10:13

Methods to Assess Subcellular Compartments of Muscle in C. elegans

Published on: November 13, 2014

Main Results:

  • unc-95 mutants exhibit increased expression of hypodermal and pharyngeal genes related to cuticle structure and molting.
  • Cuticle structure is impaired in unc-95 mutant adults.
  • Aberrant force transduction from muscle to hypodermis elicits intercellular signaling.

Conclusions:

  • UNC-95 plays a role in maintaining muscle-cuticle adhesion and force transduction.
  • Impaired muscle attachments trigger signaling pathways that regulate cuticle synthesis and patterning.
  • Intercellular signaling between muscle and hypodermis is vital for epidermal homeostasis.