Vesicle Budding
Vesicle Budding - Related Videos
00:49
The Tongue and Taste Buds
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2025
The surface of the tongue is covered with various small bumps called papillae, which either distribute what has been ingested (filiform papillae) or contain the sensory taste (or gustatory) receptor cells (fungiform, circumvallate, and foliate papillae). Embedded within each taste-related papilla are the taste buds—clusters of 30 to 100 gustatory receptor cells. Gustatory receptor cells extend finger-like projections called gustatory hairs (or microvilli) into a region known as the taste pore.
02:50
Recombinant Protein Production and Recovery from Bacteria-Derived Vesicles
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2025
Source: Streather, B. R., et al. Optimized Production and Analysis of Recombinant Protein-Filled Vesicles from E. coli. J. Vis. Exp. (2023)This video demonstrates the production and isolation of recombinant proteins tagged with Vesicle Nucleating Peptide (VNp) from bacterial vesicles. An inducer triggers VNp-tagged protein expression, driving vesicle formation and encapsulation, followed by centrifugation and sonication for efficient protein recovery without cell...
08:48
Targeted in Situ Mutagenesis of Histone Genes in Budding Yeast
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Cited by 5 •
2017
A strategy for generating mutations in histone genes at their endogenous location in Saccharomyces cerevisiae is presented.
15:02
Analysis of the Development of a Morphological Phenotype as a Function of Protein Concentration in Budding Yeast
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Cited by 1 •
2010
Gene deletion and protein overexpression are common methods for studying functions of proteins. In this article, we describe a protocol for analysis of phenotype development as a function of protein concentration at population and single-cell levels in Saccharomyces cerevisiae.
08:36
FM Dyes in Vesicle Recycling
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2023
FM dyes are a class of fluorescent molecules that has found important use in studying the vesicle recycling process. By virtue of a chemical structure, these molecules can insert themselves into the outer leaflet of phospholipid bilayer membranes. After membrane insertion, they are internalized into the cell via endocytosed vesicles, and released when these vesicles recycle back to the membrane. Since, these dyes fluoresce strongly in the hydrophobic environment within membranes and weakly in...
FAQs
The process proceeds through coordinated stages. Coat proteins and regulatory factors first assemble on a donor membrane, while selected cargo becomes concentrated. Their combined activity promotes local curvature of the lipid bilayer, creating a bud. Membrane scission then separates the bud, preserving a transport-ready compartment.
COPII, COPI, and clathrin-coated vesicles are best distinguished as separate trafficking systems rather than interchangeable coats. Together, they support transport involving the endoplasmic reticulum, Golgi apparatus, plasma membrane, and endosomes. This comparison helps relate a budding event to its cellular route and to the organelles whose organization depends on that route.
Coat proteins and regulatory factors coordinate cargo concentration with membrane remodeling. Their assembly provides the organizing activity needed to collect selected proteins, lipids, and other cargo while bending the lipid bilayer. This coordination links cargo sorting to physical bud formation, helping produce vesicles capable of continuing through the cell's trafficking network.
Membrane scission completes the separation of a newly formed compartment from its donor membrane, whereas later fusion connects that vesicle with a target compartment. Treating these as distinct events clarifies how budding supports directional transport: cargo first leaves its source membrane and can then be delivered to the appropriate cellular destination.
A basic analysis follows the sequence from donor-membrane selection to coat and regulatory-factor assembly, cargo concentration, bilayer bending, and membrane scission. The resulting vesicle can then be considered in relation to transport and fusion with a target compartment. Organizing observations in this order helps connect molecular events with cellular trafficking outcomes.
Vesicle budding provides a framework for studying organelle organization, secretion, and signaling because it controls how cellular cargo moves between membrane-bound compartments. Research on the process also helps investigate defects associated with disease. Examining the relevant coat systems and trafficking routes can therefore connect membrane dynamics with broader changes in cell function.