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Priming for destruction: septins at the crossroads of mitochondrial fission and bacterial autophagy
Journal article   Open access   Peer reviewed

Priming for destruction: septins at the crossroads of mitochondrial fission and bacterial autophagy

Elias T Spiliotis and Lee Dolat
EMBO reports, v 17(7), pp 935-937
Jul 2016
PMID: 27279260
url
https://doi.org/10.15252/embr.201642606View
Published, Version of Record (VoR) Open

Abstract

Membrane & Intracellular Transport Views Autophagy & Cell Death Microbiology, Virology & Host Pathogen Interaction
Mitochondria are essential organelles for cell survival, programmed cell death, and autophagy. They undergo cycles of fission and fusion, which are subverted by infectious pathogens and altered in many human diseases. Mitochondrial fission is mediated by the dynamin‐related protein Drp1, but the precise mechanism of its action is not well understood. In the last and current issues of EMBO Reports , two new studies 1 , 2 reveal that the filamentous septin GTP ases interact directly with Drp1, promoting mitochondrial fission. Moreover, mitochondria were found to promote the assembly of septin filaments into cages around cytosolic Shigella flexneri bacteria 2 , which are targeted for autophagy. Thus, septins emerge as integral components of the machinery of mitochondrial fission and may pose a novel link between mitochondria and autophagy.

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Web of Science research areas
Biochemistry & Molecular Biology
Cell Biology
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