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Int J Biochem Cell Biol. 2009 Oct;41(10):1805-16. doi: 10.1016/j.biocel.2009.02.017. Epub 2009 Mar 5.

Interactions between the endoplasmic reticulum, mitochondria, plasma membrane and other subcellular organelles.

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1
Nencki Institute of Experimental Biology, Department of Biochemistry, Warsaw, Poland.

Abstract

Several recent works show structurally and functionally dynamic contacts between mitochondria, the plasma membrane, the endoplasmic reticulum, and other subcellular organelles. Many cellular processes require proper cooperation between the plasma membrane, the nucleus and subcellular vesicular/tubular networks such as mitochondria and the endoplasmic reticulum. It has been suggested that such contacts are crucial for the synthesis and intracellular transport of phospholipids as well as for intracellular Ca(2+) homeostasis, controlling fundamental processes like motility and contraction, secretion, cell growth, proliferation and apoptosis. Close contacts between smooth sub-domains of the endoplasmic reticulum and mitochondria have been shown to be required also for maintaining mitochondrial structure. The overall distance between the associating organelle membranes as quantified by electron microscopy is small enough to allow contact formation by proteins present on their surfaces, allowing and regulating their interactions. In this review we give a historical overview of studies on organelle interactions, and summarize the present knowledge and hypotheses concerning their regulation and (patho)physiological consequences.

PMID:
19703651
DOI:
10.1016/j.biocel.2009.02.017
[Indexed for MEDLINE]

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