Article
Lipid-regulated sterol transfer between closely apposed membranes by oxysterol-binding protein homologues.
The Journal of cell biology - 14 Dec 2009
Schulz Timothy A, Choi Mal-Gi, Raychaudhuri Sumana, Mears Jason A, Ghirlando Rodolfo, Hinshaw Jenny E, Prinz William A
Abstract excerpt
Sterols are transferred between cellular membranes by vesicular and poorly understood nonvesicular pathways. Oxysterol-binding protein-related proteins (ORPs) have been implicated in sterol sensing and nonvesicular transport. In this study, we show that yeast ORPs use a novel mechanism that allows regulated sterol transfer between closely apposed membranes, such as organelle contact sites. We find that the core...
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