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Microbiol Mol Biol Rev. 1998 Mar;62(1):230-47.

Vacuole biogenesis in Saccharomyces cerevisiae: protein transport pathways to the yeast vacuole.

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Institute of Molecular Biology, University of Oregon, Eugene 97403-1229, USA.


Delivery of proteins to the vacuole of the yeast Saccharomyces cerevisiae provides an excellent model system in which to study vacuole and lysosome biogenesis and membrane traffic. This organelle receives proteins from a number of different routes, including proteins sorted away from the secretory pathway at the Golgi apparatus and endocytic traffic arising from the plasma membrane. Genetic analysis has revealed at least 60 genes involved in vacuolar protein sorting, numerous components of a novel cytoplasm-to-vacuole transport pathway, and a large number of proteins required for autophagy. Cell biological and biochemical studies have provided important molecular insights into the various protein delivery pathways to the yeast vacuole. This review describes the various pathways to the vacuole and illustrates how they are related to one another in the vacuolar network of S. cerevisiae.

[Indexed for MEDLINE]
Free PMC Article

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