Yeast endocytosis.
The presence of an endocytic pathway in cells from a wide range of species and the conservation of the proteins involved in this process throughout evolution suggest that endocytosis is of fundamental importance for the eukaryotic cell. However, some surprising recent results have shown that both Dictyostelium discoideum and Saccharomyces cerevisiae can live under laboratory conditions with substantially reduced levels of endocytosis. In this review, I concentrate on endocytosis in S. cerevisiae. Recent progress in the study of intermediates of the endocytic pathway and of mutants affecting the endocytic pathway make this organism an interesting model with which to study the mechanism and functions of endocytosis.
Riezman
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Biocenter of the University of Basel, Klingelbergstrasse 70, CH-4056 Basel, Switzerland.