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Endoplasmic reticulum–mitochondria contacts: function of the junction

2012; Nature Portfolio; Volume: 13; Issue: 10 Linguagem: Inglês

10.1038/nrm3440

1471-0080

Ashley A. Rowland, Gia K. Voeltz,

ATP Synthase and ATPases Research

The characterization of dynamic contacts that form between the endoplasmic reticulum and mitochondria have highlighted the different ways in which the functions of these organelles can be coordinated. These structures may also allow co-regulation of distinct processes. The most well-characterized organelle contact sites are those between the endoplasmic reticulum (ER) and mitochondria. Increased understanding is being gained of how ER–mitochondria contact sites are organized and which factors converge at this interface, some of which may provide a tethering function. The role of the ER–mitochondria junction in coordinating the functions of these two organelles is also becoming clearer, and it has been shown to be involved in the regulation of lipid synthesis, Ca2+ signalling and the control of mitochondrial biogenesis and intracellular trafficking.