rdf:type |
|
lifeskim:mentions |
|
pubmed:issue |
1-2
|
pubmed:dateCreated |
1986-4-24
|
pubmed:abstractText |
A new technique has been developed to study fusion of biological membrane vesicles. Bovine chromaffin granule ghosts (CGG) were loaded with fluorescein isothiocyanate-dextran (FITC-dextran) at self-quenching concentrations. Loaded ghosts were then made to fuse with empty CGG. Fusion was induced by synexin, a protein previously proposed to be involved in exocytosis. The fusion process was monitored by measuring the dequenching of the fluorescence. Dequenching occurred as FITC-dextran was diluted into the increased volume due to fusion with empty ghosts. Spurious signals from leakage or breakage of vesicles were removed by including a specific anti-fluorescein antibody in the reaction medium. This new technique may prove to be of more general use for studying membrane fusion processes in other systems.
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pubmed:language |
eng
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pubmed:journal |
|
pubmed:citationSubset |
IM
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pubmed:chemical |
|
pubmed:status |
MEDLINE
|
pubmed:month |
Mar
|
pubmed:issn |
0014-5793
|
pubmed:author |
|
pubmed:issnType |
Print
|
pubmed:day |
3
|
pubmed:volume |
197
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
274-80
|
pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:2419164-Adrenal Medulla,
pubmed-meshheading:2419164-Animals,
pubmed-meshheading:2419164-Annexin A7,
pubmed-meshheading:2419164-Cattle,
pubmed-meshheading:2419164-Chromaffin Granules,
pubmed-meshheading:2419164-Dextrans,
pubmed-meshheading:2419164-Fluorescein-5-isothiocyanate,
pubmed-meshheading:2419164-Fluoresceins,
pubmed-meshheading:2419164-Fluorescent Dyes,
pubmed-meshheading:2419164-Immunologic Techniques,
pubmed-meshheading:2419164-Intracellular Membranes,
pubmed-meshheading:2419164-Membrane Fusion,
pubmed-meshheading:2419164-Proteins,
pubmed-meshheading:2419164-Rhodamines,
pubmed-meshheading:2419164-Spectrometry, Fluorescence
|
pubmed:year |
1986
|
pubmed:articleTitle |
A fluorescence assay for monitoring and analyzing fusion biological membrane vesicles in vitro.
|
pubmed:publicationType |
Journal Article,
Comparative Study
|