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Related Concept Videos

Autophagy01:27

Autophagy

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Autophagy is a self-digesting process by which a cell protects itself from threats both within and outside the cell, ranging from abnormal proteins to invading bacteria. In this process, obsolete components of the cell and invading microbes are degraded by hydrolytic enzymes active in an acidic environment of the lysosomal lumen.
An autophagic pathway consists of a series of signaling events activated in response to diverse stress and physiological conditions such as food deprivation,...
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Eukaryotic cells use different mechanisms to eliminate toxic waste obsolete and worn-out substances. Lysosomes play a pivotal role in this, and hence, these substances are carried to the lysosome from other parts of the cell and extracellular space through different pathways. The most elaborately studied pathways to the lysosome are the endocytic pathways.
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Related Experiment Video

Updated: Dec 20, 2025

Measurements of Physiological Stress Responses in C. Elegans
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Mitophagy during development and stress in C. elegans.

Romane Leboutet1, Yanfang Chen2, Renaud Legouis1

  • 1Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), 91198, Gif-sur-Yvette, France; INSERM U1280, 91198, Gif-sur-Yvette, France.

Mechanisms of Ageing and Development
|May 27, 2020
PubMed
Summary
This summary is machine-generated.

Mitochondria quality control is vital. This study explores mitophagy, the selective removal of mitochondria, in the model organism C. elegans, focusing on development, aging, and stress responses.

Keywords:
Caenorhabditis elegansagingheteroplasmymitochondriamitochondria homeostasismitophagypaternal mitochondria eliminationstress

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Area of Science:

  • Cellular Biology
  • Molecular Biology
  • Genetics

Background:

  • Mitochondria are crucial for cellular function and energy production.
  • Mitochondria homeostasis is maintained by complex cellular surveillance mechanisms.
  • Mitophagy, a selective form of autophagy, is key to eliminating damaged mitochondria.

Purpose of the Study:

  • To review current knowledge on mitophagy in C. elegans.
  • To elucidate the cellular and molecular mechanisms of mitochondrial elimination via autophagy.
  • To understand mitophagy's role in development, aging, and stress adaptation.

Main Methods:

  • Literature review of mitophagy research in C. elegans.
  • Analysis of genetic and molecular pathways involved in selective mitochondrial autophagy.
  • Examination of mitophagy's involvement in C. elegans life processes.

Main Results:

  • C. elegans is a valuable model for studying mitophagy.
  • Identified key molecular players and pathways regulating mitophagy in this nematode.
  • Demonstrated the significance of mitophagy in development, aging, and stress resilience.

Conclusions:

  • Mitophagy is a conserved and essential process for mitochondrial quality control.
  • Understanding mitophagy in C. elegans provides insights into fundamental biology.
  • Further research in C. elegans can reveal novel therapeutic targets for mitochondrial dysfunction.