Cited by 166Mitochondrial Function and PathologyAutophagy in Disease and TherapyATP Synthase and ATPases Research

Trans-mitochondrial coordination of cristae at regulated membrane junctions

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Picard, Martin, McManus, Meagan J., Csordás, György, Várnai, Péter, Dorn II, Gerald W., Williams, Dewight, Hajnóczky, György, Wallace, Douglas C.·2015·Nature Communications

Abstract

Reminiscent of bacterial quorum sensing, mammalian mitochondria participate in inter-organelle communication. However, physical structures that enhance or enable interactions between mitochondria have not been defined. Here we report that adjacent mitochondria exhibit coordination of inner mitochondrial membrane cristae at inter-mitochondrial junctions (IMJs). These electron-dense structures are conserved across species, resistant to genetic disruption of cristae organization, dynamically modulated by mitochondrial bioenergetics, independent of known inter-mitochondrial tethering proteins mitofusins and rapidly induced by the stable rapprochement of organelles via inducible synthetic linker technology. At the associated junctions, the cristae of adjacent mitochondria form parallel arrays perpendicular to the IMJ, consistent with a role in electrochemical coupling. These IMJs and associated cristae arrays may provide the structural basis to enhance the propagation of intracellular bioenergetic and apoptotic waves through mitochondrial networks within cells.

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Authors
Picard, M., McManus, M. J., Csordás, G., Várnai, P., Dorn II, G. W., Williams, D., Hajnóczky, G., & Wallace, D. C.
Affiliations
  • Children's Hospital of Philadelphia (US)
  • Thomas Jefferson University (US)
  • Semmelweis University (HU)
Corresponding author
Wallace, Douglas C.
Venue
Nature Communications
Published
2015-02-17
Volume
6
Issue
1
Pages
6259-6259
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2133232243
Cited by
166
References
45
Citations by year
2026: 6 · 2025: 7 · 2024: 17 · 2023: 18 · 2022: 13 · 2021: 17 · 2020: 17 · 2019: 17 · 2018: 16 · 2017: 15 · 2016: 18 · 2015: 5
FWCI
7.81
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Digital Commons@Becker (Washington University School of Medicine) (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Semmelweis University Repository (Semmelweis University) (submittedVersion)
Funders
  • Hungarian Scientific Research Fund (K105006)
  • National Institutes of Health (DK051526)
  • U.S. Public Health Service (R01-K105006)
  • Canadian Institutes of Health Research
  • National Heart, Lung, and Blood Institute (R01 HL 59888, R01HL059888)
  • National Cancer Institute (R01-CA143351)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01-DK73691, R01DK051526, R01DK073691)
  • National Institute of Neurological Disorders and Stroke (R01 NS21328, R01NS021328)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › ATP Synthase and ATPases Research
Keywords
mitochondrial cristae, inner mitochondrial membrane, mitochondrial bioenergetics, electrochemical coupling, mitochondrial network, mitofusins
MeSH terms
Animals, Diptera, DNA, Mitochondrial, Electrons, Energy Metabolism, Female, Heart, Humans, Mice, Inbred C57BL, Mitochondria, Myocardium, Tissue Distribution, Apoptosis, Mice, Knockout, Muscle, Skeletal, Mitochondrial Proteins, Microscopy, Electron, Transmission, Pectinidae, Mitochondrial Membranes, Mice

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