Microtubule motors, phosphorylation and axonal transport of neurofilaments

The recent demonstration that the axonal transport motors kinesin and dynein participate in axonal transport of neurofilaments (NFs), and that the association of NFs with these motors is regulated by phosphorylation provides new insight into several aspects of axonal transport and NF biology. This review juxtaposes older and more recent findings on NF dynamics, and speculates on the organization of axonal NFs as suggested by real-time analyses of NF transport.

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