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A PLA1-2 punch regulates the Golgi complex. | LitMetric

A PLA1-2 punch regulates the Golgi complex.

Trends Cell Biol

Department of Molecular Biology & Genetics, Cornell University, Ithaca, NY 14853, USA.

Published: February 2012

AI Article Synopsis

Article Abstract

The mammalian Golgi complex, trans Golgi network (TGN) and ER-Golgi intermediate compartment (ERGIC) are comprised of membrane cisternae, coated vesicles and membrane tubules, all of which contribute to membrane trafficking and maintenance of their unique architectures. Recently, a new cast of players was discovered to regulate the Golgi and ERGIC: four unrelated cytoplasmic phospholipase A (PLA) enzymes, cPLA(2)α (GIVA cPLA(2)), PAFAH Ib (GVIII PLA(2)), iPLA(2)-β (GVIA-2 iPLA(2)) and iPLA(1)γ. These ubiquitously expressed enzymes regulate membrane trafficking from specific Golgi subcompartments, although there is evidence for some functional redundancy between PAFAH Ib and cPLA(2)α. Three of these enzymes, PAFAH Ib, cPLA(2)α and iPLA(2)-β, exert effects on Golgi structure and function by inducing the formation of membrane tubules. We review our current understanding of how PLA enzymes regulate Golgi and ERGIC morphology and function.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3273632PMC
http://dx.doi.org/10.1016/j.tcb.2011.10.003DOI Listing

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