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Related Experiment Video

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Deciphering and modulating G protein signalling in C. elegans using the DREADD technology.

Simone Prömel1, Franziska Fiedler1, Claudia Binder1

  • 1Institute of Biochemistry, Molecular Biochemistry, Medical Faculty, University of Leipzig, 04103 Leipzig, Germany.

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|July 28, 2016
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Summary

Researchers developed designer receptors (DREADDs) for C. elegans to control G-protein signalling. This breakthrough allows pharmacological modulation of physiological functions, like mating behaviour, in the organism.

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Area of Science:

  • Molecular Biology
  • Neuroscience
  • Developmental Biology

Background:

  • G-protein signalling is crucial for fundamental biological processes across species.
  • Caenorhabditis elegans is a key model organism for studying G-protein signalling in tissues and whole organisms.
  • Pharmacological control of G-protein pathways in C. elegans is currently limited.

Purpose of the Study:

  • To develop and validate novel designer receptors exclusively for C. elegans.
  • To enable precise pharmacological modulation of specific G-protein signalling pathways.
  • To investigate the potential of these designer receptors in controlling physiological functions.

Main Methods:

  • Engineered G protein-coupled receptor-based designer receptors (DREADDs) specific to C. elegans.
  • Validated functional expression and specific activation of Gq-protein signalling in vitro and in vivo.
  • Utilized the DREADD system to modulate mating behaviour in C. elegans.

Main Results:

  • Successfully created a novel C. elegans-specific DREADD.
  • Demonstrated in vitro and in vivo activation of Gq-protein signalling.
  • Showcased the ability to pharmacologically control mating behaviour.

Conclusions:

  • The developed C. elegans-specific DREADD provides a powerful tool for researchers.
  • This system allows for precise pharmacological control over physiological processes.
  • Enables new avenues for studying G-protein signalling and its impact on behaviour.