Related Experiment Video
Updated: Apr 5, 2026
07:43
In vivo Assessment of Microtubule Dynamics and Orientation in Caenorhabditis elegans Neurons
Published on: November 20, 2021
3.6K
Building the Neuronal Microtubule Cytoskeleton
Lukas C Kapitein1, Casper C Hoogenraad1
1Cell Biology, Faculty of Science, Utrecht University, Padualaan 8, 3584 Utrecht, the Netherlands.
Neuron
|August 7, 2015
Summary
Neuronal microtubules are vital for cell structure and function. Their organization, controlled by specific proteins, is crucial for preventing neurodevelopmental and neurodegenerative diseases.
Area of Science:
- Neuroscience
- Cell Biology
Background:
- Microtubules are key neuronal cytoskeletal components, crucial for migration, polarity, and differentiation.
- They provide tracks for transport, mechanical support, and regulate signaling, maintaining neuronal morphology.
- Proper microtubule architecture involves precise control over number, length, distribution, orientation, and bundling.
Purpose of the Study:
- To review the functions of the neuronal microtubule cytoskeleton.
- To discuss the architecture of neuronal microtubules.
- To highlight the role of microtubule-related proteins in shaping microtubule organization and dynamics.
Main Methods:
- Literature review of genetic studies.
- Analysis of research on microtubule-related proteins.
- Synthesis of findings on microtubule dynamics and disease relevance.
Main Results:
- Mutations in tubulin isotypes and microtubule-related proteins are linked to neurodevelopmental and neurodegenerative diseases.
- Microtubule-related proteins critically influence microtubule organization and dynamics within neurons.
- Dysregulation of microtubule architecture is implicated in various neurological disorders.
Conclusions:
- The neuronal microtubule cytoskeleton is essential for neuronal health and function.
- Understanding microtubule dynamics and the proteins that regulate them is vital for addressing neurological diseases.
- Targeting microtubule-related proteins may offer therapeutic strategies for neurodegenerative conditions.
Related Concept Videos
01:32Assembly of Complex Microtubule Structures
2.8K
Complex microtubule structures are present in resting cells and in dividing cells. In resting cells, they are responsible for maintaining the cellular architecture, tracks for intracellular transport, positioning of organelles, assembly of cilia and flagella. They mediate the bipolar spindle assembly for chromosomal segregation and positioning of the cell division plate in dividing cells. The formation of microtubule complex structures depends on the cell type, cell stage, and cell function.
2.8K
01:35Microtubules
103.4K
There are three types of cytoskeletal structures in eukaryotic cells—microfilaments, intermediate filaments, and microtubules. With a diameter of about 25 nm, microtubules are the thickest of these fibers. Microtubules carry out a variety of functions that include cell structure and support, transport of organelles, cell motility (movement), and the separation of chromosomes during cell division.
103.4K
01:18Microtubules
11.5K
Microtubules are the thickest cytoskeletal filaments with a diameter of 25 nm. In prokaryotic organisms, microtubules are commonly found in locomotory appendages like cilia and flagella. In eukaryotic cells, microtubules form specialized extensions for moving fluid over the surface, like those found in cells lining the intestine.
Microtubules have two structurally similar globular protein subunits: α and β tubulins. In the cytosol, the α and β tubulins form a heterodimer....
Microtubules have two structurally similar globular protein subunits: α and β tubulins. In the cytosol, the α and β tubulins form a heterodimer....
11.5K
01:23Microtubule Formation
8.2K
Microtubules are dynamic structures that undergo continuous assembly and disassembly. They originate from specialized multi-protein complexes known as microtubule organizing centers or MTOCs. Within the MTOC, the point of origin of the microtubule is known as the minus end, while the end radiating outward is the plus end. Microtubules serve two primary functions — the organization of spindle complexes to separate sister chromatids during mitotic or meiotic cell division and the formation...
8.2K
01:24Microtubules in Cell Motility
5.1K
Microtubules are thick hollow cylindrical proteins that help form the cytoskeleton. Microtubules have varied roles in the cell. These filaments help form cellular appendages like cilia and flagella, which are responsible for locomotion. The cilia arise from basal bodies, separated from the main body by a membrane-like structure forming the transition zone. This zone is the gate for the entry of lipids and proteins, creating a unique composition of lipids and proteins in the ciliary membrane and...
5.1K
01:24Microtubules in Cell Motility
1.7K
1.7K