Generating energy with mitochondrial fission
نویسندگان
چکیده
منابع مشابه
Mitochondrial fission and fusion.
Mitochondria are highly dynamic cellular organelles, with the ability to change size, shape and position over the course of a few seconds. Many of these changes are related to the ability of mitochondria to undergo the highly co-ordinated processes of fission (division of a single organelle into two or more independent structures) or fusion (the opposing reaction). These actions occur simultane...
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Eukaryotic cells are densely packed with macromolecular complexes and intertwining organelles, continually transported and reshaped. Intriguingly, organelles avoid clashing and entangling with each other in such limited space. Mitochondria form extensive networks constantly remodeled by fission and fusion. Here, we show that mitochondrial fission is triggered by mechanical forces. Mechano-stimu...
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Mitochondria are dynamic organelles that undergo constant remodeling through the regulation of two opposing processes, mitochondrial fission and fusion. Although several key regulators and physiological stimuli have been identified to control mitochondrial fission and fusion, the role of mitochondrial morphology in the two processes remains to be determined. To address this knowledge gap, we in...
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We utilize a recently developed optical imaging method based on Fourier processing with Gabor-like filters to detect changes in light scattering resulting from alterations in mitochondrial structure in endothelial cells undergoing apoptosis. Imaging based on Gabor filters shows a significant decrease in the orientation of subcellular organelles at 60 to 100 minutes following apoptosis induction...
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Mitochondrial fission requires the evolutionarily conserved dynamin related protein (DRP1), which is recruited from the cytosol to the mitochondrial outer membrane to coordinate membrane scission. Currently, the mechanism of recruitment and assembly of DRP1 on the mitochondria is unclear. Here, we identify Ubc9 and Sumo1 as specific DRP1-interacting proteins and demonstrate that DRP1 is a Sumo1...
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ژورنال
عنوان ژورنال: Nature Cell Biology
سال: 2014
ISSN: 1465-7392,1476-4679
DOI: 10.1038/ncb2950