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Semin Cell Dev Biol. 2009 Sep;20(7):793-800. doi: 10.1016/j.semcdb.2009.03.016.

Regulation of Golgi function via phosphoinositide lipids.

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Division of Nephrology & Hypertension and Department of Cell & Developmental Biology, Oregon Health & Science University, 3181 Sam Jackson Park Rd., Portland, OR 97239, USA.


Phosphoinositides play important roles in Golgi traffic and structural integrity. Specific lipid kinases and phosphatases associate with the Golgi complex and regulate the multiplicity of trafficking routes from this organelle. Work in different model systems showed that the basic elements that regulate lipid signaling at the Golgi are conserved from yeast to humans. Many of the enzymes involved in Golgi phosphoinositide metabolism are essential for viability or cause severe human disease when malfunctioning. Phosphoinositide effectors at the Golgi control both non-vesicular transfer of lipids and sorting of secretory and membrane proteins. In addition, Golgi phosphoinositides were recently implicated in the metabolic and cell growth-dependent regulation of the secretory pathway.

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