Cited by 17Mitochondrial Function and PathologyATP Synthase and ATPases ResearchMetabolism, Diabetes, and Cancer

Adenylate kinase derived ATP shapes respiration and calcium storage of isolated mitochondria

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Deline, Marshall L., Grashei, Martin, van Heijster, Frits H.A., Schilling, Franz, Straub, Joshua, Fromme, Tobias·2021·Biochimica et Biophysica Acta (BBA) - Bioenergetics

Abstract

The ratio of ADP and ATP is a natural indicator of cellular bioenergetic state and thus a prominent analyte in metabolism research. Beyond adenylate interconversion via oxidative phosphorylation and ATPase activities, ADP and ATP act as steric regulators of enzymes, e.g. cytochrome C oxidase, and are major factors in mitochondrial calcium storage potential. Consideration of all routes of adenylate conversion is critical to successfully predict their abundance in an experimental system and to correctly interpret many aspects of mitochondrial function. We showcase here how adenylate kinases elicit considerable impact on the outcome of a variety of mitochondrial assays through their drastic manipulation of the adenylate profile. Parameters affected include cytochrome c oxidase activity, P/O ratio, and mitochondrial calcium dynamics. Study of the latter revealed that the presence of ATP is required for mitochondrial calcium to be shaped into a particularly dense form of mitochondrial amorphous calcium phosphate.

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Crossref · 10.1016/j.bbabio.2021.148409

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  • Experiments on Posner clusters have been conducted, but their coherence has not yet been studied experimentally.

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Authors
Deline, M. L., Grashei, M., van Heijster, F. H. A., Schilling, F., Straub, J., & Fromme, T.
Affiliations
  • Else Kröner Fresenius Zentrum für Ernährungsmedizin (DE)
  • Technical University of Munich (DE)
  • University of California, Santa Barbara (US)
Corresponding author
Fromme, Tobias
Venue
Biochimica et Biophysica Acta (BBA) - Bioenergetics
Publisher
Elsevier BV
Published
2021-07
Volume
1862
Issue
7
Pages
148409
ISSN
0005-2728 (ISSN-L)
OpenAlex
W3138149565
Cited by
17
References
80
Citations by year
2026: 1 · 2025: 5 · 2024: 4 · 2023: 3 · 2022: 3 · 2021: 1
FWCI
0.86
Type
journal article
Language
en
Open access
Locations
  • Biochimica et Biophysica Acta (BBA) - Bioenergetics (publishedVersion)
  • PubMed (publishedVersion)
  • mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich) (submittedVersion)
Funders
  • Heising-Simons Foundation (2017–0496)
  • Deutsche Forschungsgemeinschaft (SFB 824)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › ATP Synthase and ATPases Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
adenylate kinase, ATP, ADP, mitochondrial respiration, cytochrome c oxidase, P/O ratio, mitochondrial calcium dynamics, amorphous calcium phosphate, mitochondrial bioenergetics
MeSH terms
Adenosine Triphosphate, Adenylate Kinase, Animals, Calcium, Energy Metabolism, Mice, Inbred C57BL, Mitochondria, Liver, Oxidative Phosphorylation, Oxygen Consumption, Cell Respiration, Mice

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