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Media type:
E-Article
Title:
Making heads or tails of phospholipids in mitochondria
Contributor:
Osman, Christof;
Voelker, Dennis R.;
Langer, Thomas
Published:
Rockefeller University Press, 2011
Published in:
Journal of Cell Biology, 192 (2011) 1, Seite 7-16
Language:
English
DOI:
10.1083/jcb.201006159
ISSN:
0021-9525;
1540-8140
Origination:
Footnote:
Description:
Mitochondria are dynamic organelles whose functional integrity requires a coordinated supply of proteins and phospholipids. Defined functions of specific phospholipids, like the mitochondrial signature lipid cardiolipin, are emerging in diverse processes, ranging from protein biogenesis and energy production to membrane fusion and apoptosis. The accumulation of phospholipids within mitochondria depends on interorganellar lipid transport between the endoplasmic reticulum (ER) and mitochondria as well as intramitochondrial lipid trafficking. The discovery of proteins that regulate mitochondrial membrane lipid composition and of a multiprotein complex tethering ER to mitochondrial membranes has unveiled novel mechanisms of mitochondrial membrane biogenesis.