Post-translational modifications in mitochondria

protein signaling in the powerhouse

Amanda R. Stram, R. Payne

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

There is an intimate interplay between cellular metabolism and the pathophysiology of disease. Mitochondria are essential to maintaining and regulating metabolic function of cells and organs. Mitochondrial dysfunction is implicated in diverse diseases, such as cardiovascular disease, diabetes and metabolic syndrome, neurodegeneration, cancer, and aging. Multiple reversible post-translational protein modifications are located in the mitochondria that are responsive to nutrient availability and redox conditions, and which can act in protein–protein interactions to modify diverse mitochondrial functions. Included in this are physiologic redox signaling via reactive oxygen and nitrogen species, phosphorylation, O-GlcNAcylation, acetylation, and succinylation, among others. With the advent of mass proteomic screening techniques, there has been a vast increase in the array of known mitochondrial post-translational modifications and their protein targets. The functional significance of these processes in disease etiology, and the pathologic response to their disruption, are still under investigation. However, many of these reversible modifications act as regulatory mechanisms in mitochondria and show promise for mitochondrial-targeted therapeutic strategies. This review addresses the current knowledge of post-translational processing and signaling mechanisms in mitochondria, and their implications in health and disease.

Original languageEnglish (US)
Pages (from-to)1-11
Number of pages11
JournalCellular and Molecular Life Sciences
DOIs
StateAccepted/In press - May 27 2016

Fingerprint

Post Translational Protein Processing
Mitochondria
Oxidation-Reduction
Proteins
Reactive Nitrogen Species
Mass Screening
Acetylation
Proteomics
Reactive Oxygen Species
Cardiovascular Diseases
Phosphorylation
Food
Health
Neoplasms
Therapeutics

Keywords

  • Acetylation
  • Metabolism
  • Mitochondria
  • Post-translational modification

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology
  • Molecular Medicine
  • Pharmacology
  • Cellular and Molecular Neuroscience

Cite this

Post-translational modifications in mitochondria : protein signaling in the powerhouse. / Stram, Amanda R.; Payne, R.

In: Cellular and Molecular Life Sciences, 27.05.2016, p. 1-11.

Research output: Contribution to journalArticle

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