Tubulin Dimers
Tubulin Dimers - Related Videos
02:40
Second Harmonic Generation Imaging in a Rat Model to Study Tubulin Defects
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2025
Source: Piazza, V., et al., Label-Free Non-Linear Optics for the Study of Tubulin-Dependent Defects in Central Myelin. J. Vis. Exp. (2023)This video demonstrates the procedure for imaging microtubule abnormalities in a rat brain tissue slice using a two-photon excitation microscope. It employs second harmonic generation (SHG) signals to detect tubulin defects and reduced myelin production.
10:39
Visualization of ATP Synthase Dimers in Mitochondria by Electron Cryo-tomography
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Cited by 43 •
2014
We present a protocol of how to collect and process electron cryo-tomograms of whole mitochondria. The technique provides detailed insights into the structure, function, and organization of large membrane protein complexes in native biological membranes.
10:44
Isolating Free Carbenes, their Mixed Dimers and Organic Radicals
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Cited by 5 •
2019
We present protocols for the isolation of stable heterocyclic carbenes. The synthesis of a cyclic (alkyl)(amino) carbene (CAAC) and an N-heterocyclic carbene (NHC) is demonstrated using filter cannulas and Schlenk technique. We furthermore present the synthesis of the related oxygen-sensitive, electron-rich mixed “Wanzlick dimer” and the reduced stable organic radical.
08:52
Chemical Dimerization-Induced Protein Condensates on Telomeres
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Cited by 10 •
2021
This protocol illustrates a chemically induced protein dimerization system to create condensates on chromatin. The formation of promyelocytic leukemia (PML) nuclear body on telomeres with chemical dimerizers is demonstrated. Droplet growth, dissolution, localization and composition are monitored with live cell imaging, immunofluorescence (IF) and fluorescence in situ hybridization (FISH).
06:30
Optimizing Tubulin Yield from Porcine Brain Tissue
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2024
This protocol describes a technique for the high-yield isolation of tubulin from the porcine brain optimized for small-scale instrumentation. The isolation procedures are complemented by procedures for determining tubulin polymerization activity in vitro using co-sedimentation assays and transmission electron microscopy.
FAQs
GTP binding and hydrolysis regulate whether assembled tubulin dimers support microtubule growth or shrinkage. This chemical cycle underlies dynamic instability, meaning that microtubules can alternate between extension and shortening rather than remain permanently fixed. Studying this regulation reveals how cells adjust cytoskeletal organization and control structures that depend on microtubule behavior.
Head-to-tail arrangement gives a microtubule a polarity that is not present in an unoriented collection of protein subunits. That directional organization helps explain why the polymer can serve as an organized cellular framework rather than merely a structural mass. In biology, this feature is relevant to interpreting how microtubules support transport, cell shape, and chromosome separation.
Individual tubulin dimers connect molecular regulation with larger changes in the cytoskeleton. When their assembly behavior shifts between growth and shrinkage, microtubule organization can be remodeled instead of remaining static. This makes dimers useful for understanding how cells coordinate structural support with changing demands, including intracellular transport and the chromosome-separation events of cell division.
Studies of Tubulin Dimers can address how cells organize their internal architecture, transport materials, and coordinate division. Researchers can relate dimer assembly dynamics to microtubule behavior, then examine how that behavior affects cell shape, intracellular transport, and chromosome separation. This connects a protein-level subject to several major functions of the cytoskeleton.
During cell division, tubulin dimer behavior is relevant because microtubules help separate chromosomes. Examining assembly dynamics therefore provides a molecular perspective on how cytoskeletal polymers participate in mitosis. The outcome is not simply information about a structural protein; it can clarify how changes in microtubule growth and shrinkage relate to the organization of cell division.
Anticancer research uses tubulin as a central model because compounds can influence microtubules by stabilizing them or disrupting them. Connecting these compound effects with dimer assembly dynamics helps researchers interpret how altered microtubule behavior may affect cell division. Tubulin studies therefore provide a framework for investigating drug actions alongside broader cytoskeletal mechanisms.