Compartmental specificity of cellular membrane fusion encoded in SNARE proteins
摘要:
Membrane-enveloped vesicles travel among the compartments of the cytoplasm of eukaryotic cells, delivering their specific cargo to programmed locations by membrane fusion. The pairing of vesicle v-SNAREs (soluble N-ethylmaleimide-sensitive factor attachment protein receptors) with target membrane t-SNAREs has a central role in intracellular membrane fusion. We have tested all of the potential v-SNAREs encoded in the yeast genome for their capacity to trigger fusion by partnering with t-SNAREs that mark the Golgi, the vacuole and the plasma membrane. Here we find that, to a marked degree, the pattern of membrane flow in the cell is encoded and recapitulated by its isolated SNARE proteins, as predicted by the SNARE hypothesis.
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关键词:
Intracellular Membranes Endoplasmic Reticulum Golgi Apparatus Escherichia coli Saccharomyces cerevisiae Fungal Proteins Saccharomyces cerevisiae Proteins Membrane Proteins Vesicular Transport Proteins Recombinant Proteins
DOI:
10.1038/35025000
被引量:
年份:
2000






























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