Journal
BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH
Volume 1763, Issue 5-6, Pages 490-499Publisher
ELSEVIER
DOI: 10.1016/j.bbamcr.2006.02.004
Keywords
mitochondria; CMT2A; fission; apoptosis; bioenergetics; neurodegeneration
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Mitochondria are highly dynamic organelles exhibiting an elaborate morphology and fine structure. Fusion and fission processes contribute to the maintenance and dynamics of mitochondrial morphology. The Mitofusins, a class of evolutionary conserved GTPases of the mitochondrial outer membrane, are essential for the controlled fusion of mitochondrial membranes. Genetic and biochemical data propose a model in which functional domains, such as the GTPase domain and the C-terminally located coiled coil structure, act in an orchestrated manner to coordinate the tethering and mitochondrial outer membrane fusion. In addition, recent reports shed new light on the physiological importance of Mitofusin function suggesting a role in mitochondrial metabolism, apoptosis as well as cellular signalling. Mutations identified in the human Mfn2 gene from patients with the peripheral neuropathy Charcot-Marie-Tooth Type 2A invoke a direct correlation between mitochondrial morphology and function. (c) 2006 Elsevier B.V All rights reserved.
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