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Related Concept Videos

Spindle Assembly02:50

Spindle Assembly

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Spindle assembly occurs through three, often coexisting, pathways – the centrosome-mediated pathway, the chromatin-mediated pathway, and the microtubule-mediated pathway – collectively contributing to form a robust spindle apparatus.
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The spindle assembly checkpoint is a molecular surveillance mechanism ensuring the fidelity of chromosome segregation during anaphase. The checkpoint monitors the completion of all the prerequisite steps before chromosome segregation to determine whether the segregation process should proceed or be delayed.
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Related Experiment Video

Updated: Mar 19, 2026

Simulation of a Scaled Assembly Process with Collaboration of a Robotic Arm and Monitoring through a Vision System for Quality Control
05:47

Simulation of a Scaled Assembly Process with Collaboration of a Robotic Arm and Monitoring through a Vision System for Quality Control

Published on: August 29, 2025

534

Chaperoning SNARE assembly and disassembly.

Richard W Baker1,2, Frederick M Hughson1

  • 1Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544, USA.

Nature Reviews. Molecular Cell Biology
|June 16, 2016
PubMed
Summary
This summary is machine-generated.

Cellular machinery regulates soluble N-ethylmaleimide-sensitive factor attachment protein receptor (SNARE) complex assembly and disassembly. This process is crucial for essential cellular functions like vesicle transport and neurotransmitter release.

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Biophysics

Background:

  • Intracellular membrane fusion relies on SNARE complexes.
  • SNARE complex assembly is inefficient in vitro, and disassembly is extremely slow without catalysis.

Purpose of the Study:

  • To investigate the cellular machinery governing SNARE complex dynamics.
  • To understand the regulation of vesicle trafficking, organelle fusion, and neurotransmitter release.

Main Methods:

  • Cell-free reconstitution systems.
  • Single-molecule biophysics.
  • X-ray and electron microscopy structural analyses.

Main Results:

  • Advances in cell-free systems provide more accurate models.
  • Single-molecule techniques offer insights into SNARE complex behavior.
  • Structural studies visualize SNARE assembly and disassembly machinery.

Conclusions:

  • The cellular machinery is key to regulating SNARE complex function.
  • Ongoing research is rapidly advancing our understanding of these vital processes.