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Microtubule Associated Motor Proteins01:32

Microtubule Associated Motor Proteins

Eukaryotic cells have different motor proteins for transporting various cargo within the cell. These motor proteins differ based on the filament they associate with, the direction they move within the cell, and the type of cargo they transport. Motor proteins that associate with microtubules are known as microtubule-associated motor proteins. There are two families of microtubule-associated motor proteins —Kinesins and Dyneins. Both these proteins assist in the transport of cellular cargos...
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Characterizing the Composition of Molecular Motors on Moving Axonal Cargo Using "Cargo Mapping" Analysis
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Characterizing the Composition of Molecular Motors on Moving Axonal Cargo Using "Cargo Mapping" Analysis

Published on: October 30, 2014

Intraflagellar transport complex structure and cargo interactions.

Sagar Bhogaraju1, Benjamin D Engel, Esben Lorentzen

  • 1Department of Structural Cell Biology, Max-Planck-Institute of Biochemistry, Am Klopferspitz 18, Martinsried, D-82152, Germany. lorentze@biochem.mpg.de.

Cilia
|August 16, 2013
PubMed
Summary
This summary is machine-generated.

Intraflagellar transport (IFT) moves protein complexes along cilia using molecular motors. This review details IFT complex structure and how it interacts with motors and cargoes for ciliary function.

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Last Updated: May 8, 2026

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Biophysics

Background:

  • Cilia are crucial for motility and signaling.
  • Intraflagellar transport (IFT) is essential for ciliary assembly, maintenance, and function.
  • IFT relies on molecular motors moving protein complexes along axonemal microtubules.

Purpose of the Study:

  • To provide an updated review of Intraflagellar transport (IFT) complex structure and architecture.
  • To discuss how IFT complexes interact with ciliary cargoes.
  • To explore the mechanisms of IFT motor interactions.

Main Methods:

  • Literature review of IFT research.
  • Analysis of IFT complex structure and protein interactions.
  • Discussion of IFT mechanisms in relation to ciliary function.

Main Results:

  • IFT complexes act as adaptors between motors and cargoes.
  • IFT trains facilitate bidirectional transport within cilia.
  • Detailed understanding of IFT complex architecture is key to ciliary function.

Conclusions:

  • IFT complexes are central to ciliary transport and function.
  • Elucidating IFT structure-function relationships is vital for understanding cilia.
  • This review consolidates current knowledge on IFT complex organization and interactions.