Mitochondrial respiratory quiescence: A new model for examining the role of mitochondrial metabolism in development

Helin Hocaoglu, Matthew Sieber

Research output: Contribution to journalReview articlepeer-review

Abstract

Mitochondria are vital organelles with a central role in all aspects of cellular metabolism. As a means to support the ever-changing demands of the cell, mitochondria produce energy, drive biosynthetic processes, maintain redox homeostasis, and function as a hub for cell signaling. While mitochondria have been widely studied for their role in disease and metabolic dysfunction, this organelle has a continually evolving role in the regulation of development, wound repair, and regeneration. Mitochondrial metabolism dynamically changes as tissues transition through distinct phases of development. These organelles support the energetic and biosynthetic demands of developing cells and function as key structures that coordinate the nutrient status of the organism with developmental progression. This review will examine the mechanisms that link mitochondria to developmental processes. We will also examine the process of mitochondrial respiratory quiescence (MRQ), a novel mechanism for regulating cellular metabolism through the biochemical and physiological remodeling of mitochondria. Lastly, we will examine MRQ as a system to discover the mechanisms that drive mitochondrial remodeling during development.

Original languageEnglish (US)
JournalSeminars in Cell and Developmental Biology
DOIs
StateAccepted/In press - 2022

Keywords

  • Cancer
  • Drosophila
  • Metabolism
  • Mitochondria
  • Oocytes
  • Quiescence
  • Reprogramming
  • Stem cells

ASJC Scopus subject areas

  • Developmental Biology
  • Cell Biology

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