Actin and microtubule-based cytoskeletal cues direct polarized targeting of proteins in neurons.

Actin and microtubule-based cytoskeletal cues direct polarized targeting of proteins in neurons.
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DOI:
10.1126/scisignal.283pe49
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发表时间:
2009-08-11
期刊:
影响因子:
7.3
通讯作者:
Arnold DB
Arnold DB
中科院分区:
生物学1区
文献类型:
--
作者:
Arnold DB

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Neuronal proteins are transported to either the axon or dendrites through the action of kinesin motors; however understanding of how cytoskeletal elements steer these cargo-motor complexes to one compartment or the other has remained elusive. Three recent developments, the discovery of an actin-based filter within the axon initial segment, the identification of the pivotal role played by myosin motors in dendritic targeting, and the determination of the properties of a kinesin motor that cause it to prefer axonal to dendritic microtubules, have now provided a structural framework for understanding polarized targeting in neurons.
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