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Motors and membrane traffic

H V Goodson¹, C Valetti, T E Kreis

¹Department of Cell Biology, Sciences III, University of Geneva, 30 quai Ernest Ansermet, 1211 Geneva 4, Switzerland.

Current Opinion in Cell Biology

|February 1, 1997

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The cytoskeleton, including microtubule and actin motors, plays a crucial role in cellular membrane traffic. Research is revealing how these motor proteins coordinate to control membrane dynamics and function.

Area of Science:

Cell Biology
Molecular Motors
Membrane Trafficking

Background:

The cytoskeleton is vital for cellular processes, including secretory and endocytic pathways.
Microtubule motors (kinesins, dyneins) and actin motors (myosins) are increasingly recognized for their roles in membrane traffic.

Purpose of the Study:

To elucidate the specific roles of different motor protein families in membrane trafficking.
To understand the coordination mechanisms of multiple motor proteins in controlling membrane morphology and dynamics.

Main Methods:

Utilized recent experimental findings to identify involved motor protein families.
Analyzed data on motor protein involvement in membrane traffic and cellular pathway functions.

Main Results:

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Confirmed the involvement of specific kinesin, dynein, and myosin members in membrane traffic.
Highlighted that multiple motor proteins likely collaborate to regulate membrane morphology and dynamics.

Conclusions:

The coordinated action of various cytoskeletal motor proteins is essential for efficient membrane trafficking.
Further research is needed to fully understand the intricate coordination of these motors in cellular functions.