Abstract
Syntaxins are thought to function during vesicular transport as receptors on the target membrane and to contribute to the specificity of membrane docking and fusion by interacting with vesicle-associated receptors. Here, syntaxin 5 (Syn5) was shown to be an integral component of endoplasmic reticulum–derived transport vesicles. This pool, but not the target, Golgi-associated Syn5 pool, was essential for the assembly of vesicular-tubular pre-Golgi intermediates and the delivery of cargo to the Golgi. The requirement for vesicle-associated Syn5 in transport suggests a reevaluation of the basis for operation of the early secretory pathway.
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- We thank R. Scheller and J. Hay (Stanford University) for antibodies to mSec22b rBet1 and membrin; J. Saraste (University of Bergen Bergen Norway) for anti-p58; and S. Whiteheart (University of Kentucky Medical Center) for recombinant α-SNAP Myc-tagged NSF and anti-NSF (6E6). Supported by NIH grant GM 42336 (to W.E.B.) and the National Cancer Institute (CA58689). Electron microscopy made extensive use of Core B in CA58689. T.R. is a recipient of a fellowship from the Muscular Dystrophy Association C.D. is a recipient of a fellowship grant from the Deutsche Forschungsgemeinschaft and S.B. is a recipient of a Cystic Fibrosis Foundation Fellowship.
Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 27, 2002, 5:49 a.m.) |
Deposited | 1 year, 7 months ago (Jan. 13, 2024, 12:57 a.m.) |
Indexed | 1 month, 1 week ago (July 19, 2025, 11:36 p.m.) |
Issued | 27 years, 7 months ago (Jan. 30, 1998) |
Published | 27 years, 7 months ago (Jan. 30, 1998) |
Published Print | 27 years, 7 months ago (Jan. 30, 1998) |
@article{Rowe_1998, title={Role of Vesicle-Associated Syntaxin 5 in the Assembly of Pre-Golgi Intermediates}, volume={279}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.279.5351.696}, DOI={10.1126/science.279.5351.696}, number={5351}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Rowe, Tony and Dascher, Christiane and Bannykh, Sergei and Plutner, Helen and Balch, William E.}, year={1998}, month=jan, pages={696–700} }