Research Article

The specificity of vesicle traffic to the Golgi is encoded in the golgin coiled-coil proteins

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Science  31 Oct 2014:
Vol. 346, Issue 6209, 1256898
DOI: 10.1126/science.1256898

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You've got to pick a Golgi tether or two

The inside of the cell contains a large variety of different membrane transport vesicles, each of which needs to find and fuse with its correct target destination. The detailed mechanism specifying which vesicle can fuse with which target membrane has been the subject of an enormous amount of research. An additional layer of specificity in intracellular membrane trafficking across the Golgi complex is thought to involve particular membrane “tethers.” However, the importance of these tethers has been unclear. Wong and Munro used a clever trick to reveal how specific tethers can indeed ensure correct vesicle destination. Tether proteins experimentally expressed on mitochondria hijacked different transport vesicles and diverted them from their normal destination to the mitochondria.

Science, this issue 10.1126/science.1256898