Role of dynamin in the formation of transport vesicles from the trans- Golgi network

Steven M. Jones, Kathryn E. Howell, John R. Henley, Hong Cao, Mark A. McNiven

Research output: Contribution to journalArticlepeer-review

263 Scopus citations


Dynamin guanosine triphosphatases support the scission of clathrin- coated vesicles from the plasmalemma during endocytosis. By fluorescence microscopy of cultured rat hepatocytes, a green fluorescent protein-dynamin II fusion protein localized with clathrin-coated vesicles at the Golgi complex. A cell-free assay was utilized to demonstrate the role of dynamin in vesicle formation at the trans-Golgi. Addition of peptide-specific anti- dynamin antibodies to the assay mixture inhibited both constitutive exocytic and clathrin-coated vesicle formation. Immunodepletion of dynamin proteins also inhibited vesicle formation, and budding efficiency was restored upon readdition of purified dynamin. These data suggest that dynamin participates in the formation of distinct transport vesicles from the trans-Golgi network.

Original languageEnglish (US)
Pages (from-to)573-577
Number of pages5
Issue number5350
StatePublished - Jan 23 1998

ASJC Scopus subject areas

  • General


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