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Axonal microtubules stay put

Abstract

Direct visualization of individual axonal microtubules in Xenopus neurons indicates that they are primarily stationary, while another study shows that tubulin, the protein from which microtubules are made, can be transported in a non-microtubule form. Both results run contrary to a widely accepted model of slow axonal tubulin transport.

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Figure 1: Fluorescence speckle microscopy (FSM).
Figure 2: Chang et al.’s experimental procedure4.
Figure 3: The expected results of following the behaviour of individual microtubules in live axons by fluorescence speckle microscopy.

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Hollenbeck, P., Bamburg, J. Axonal microtubules stay put. Nat Cell Biol 1, E171–E173 (1999). https://doi.org/10.1038/15604

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