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MTOC Organization and Competition During Neuron Differentiation

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The Golgi Apparatus and Centriole

Part of the book series: Results and Problems in Cell Differentiation ((RESULTS,volume 67))

Abstract

Neurons are polarized cells with long branched axons and dendrites. Microtubule generation and organization machineries are crucial to grow and pattern these complex cellular extensions. Microtubule organizing centers (MTOCs) concentrate the molecular machinery for templating microtubules, stabilizing the nascent polymer, and organizing the resultant microtubules into higher-order structures. MTOC formation and function are well described at the centrosome, in the spindle, and at interphase Golgi; we review these studies and then describe recent results about how the machineries acting at these classic MTOCs are repurposed in the postmitotic neuron for axon and dendrite differentiation. We further discuss a constant tug-of-war interplay between different MTOC activities in the cell and how this process can be used as a substrate for transcription factor-mediated diversification of neuron types.

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Correspondence to Adrian W. Moore .

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Tann, J.Y., Moore, A.W. (2019). MTOC Organization and Competition During Neuron Differentiation. In: Kloc, M. (eds) The Golgi Apparatus and Centriole. Results and Problems in Cell Differentiation, vol 67. Springer, Cham. https://doi.org/10.1007/978-3-030-23173-6_14

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