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Exploring mitochondrial dynamics and localization under cellular stress: A comprehensive insight
Saloni Agarwal1, Kavikumar Angamuthu Karuppusamy, Abhishek K Gupta
1Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, India.
Journal of Biosciences
|April 9, 2025
Summary
Cellular stressors impact mitochondrial dynamics, affecting processes like fission, fusion, and transport. Understanding these changes is crucial for cell survival under stress.
Area of Science:
- Cell Biology
- Mitochondrial Biology
- Stress Response
Background:
- Mitochondria are vital organelles involved in ATP synthesis, homeostasis, and apoptosis.
- Mitochondrial dynamics (fission, fusion, mitophagy, biogenesis, transport) and distribution are critical for cellular function.
- Cellular stress significantly impacts mitochondrial health and function.
Purpose of the Study:
- To review the effects of cellular stressors on mitochondrial dynamics and distribution.
- To elucidate the role of stress-induced alterations in mitochondrial dynamics in cell survival.
Main Methods:
- Literature review of recent studies on mitochondrial dynamics and cellular stress.
- Analysis of the impact of various cellular stressors on mitochondrial processes.
- Examination of the relationship between altered mitochondrial dynamics and cell fate.
Main Results:
- Cellular stressors induce significant changes in mitochondrial fission, fusion, mitophagy, biogenesis, and transport.
- Altered mitochondrial dynamics under stress are closely linked to cell survival or death pathways.
- Mitochondrial spatial distribution is dynamically regulated in response to stress.
Conclusions:
- Stress-induced alterations in mitochondrial dynamics and distribution are key determinants of cell survival.
- Targeting mitochondrial dynamics may offer therapeutic strategies for stress-related diseases.
- Further research into mitochondrial stress responses is essential for understanding cellular resilience.
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