Retrograde vesicle transport in the Golgi

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Publication details

JournalProtoplasma
DateE-pub ahead of print - 12 Dec 2011
DatePublished (current) - Oct 2012
Issue number4
Volume249
Number of pages13
Pages (from-to)943-955
Early online date12/12/11
Original languageEnglish

Abstract

The Golgi apparatus is the central sorting and biosynthesis hub of the secretory pathway, and uses vesicle transport for the recycling of its resident enzymes. This system must operate with high fidelity and efficiency for the correct modification of secretory glycoconjugates. In this review, we discuss recent advances on how coats, tethers, Rabs and SNAREs cooperate at the Golgi to achieve vesicle transport. We cover the well understood vesicle formation process orchestrated by the COPI coat, and the comprehensively documented fusion process governed by a set of Golgi localised SNAREs. Much less clear are the steps in-between formation and fusion of vesicles, and we therefore provide a much needed update of the latest findings about vesicle tethering. The interplay between Rab GTPases, golgin family coiled-coil tethers and the conserved oligomeric Golgi (COG) complex at the Golgi are thoroughly evaluated.

    Research areas

  • Vesicle tethering, Golgi, rab GTP-Binding Proteins, Coat, SNARE Proteins, MEMBRANE TRAFFICKING

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