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4. TRIM46 Controls Neuronal Polarity and Axon Specification by Driving the Formation of Parallel Microtubule Arrays

Author

van Beuningen, Sam F.B., Will, Lena, Harterink, Martin, Chazeau, Anaël, van Battum, Eljo Y., Frias, Cátia P., Franker, Mariella A.M., Katrukha, Eugene A., Stucchi, Riccardo, Vocking, Karin, Antunes, Ana T., Slenders, Lotte, Doulkeridou, Sofia, Sillevis Smitt, Peter, Altelaar, A.F. Maarten, Post, Jan A., Akhmanova, Anna, Pasterkamp, R. Jeroen, Kapitein, Lukas C., de Graaff, Esther, and Hoogenraad, Casper C.

Published
2015
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5. TRIM46 Controls Neuronal Polarity and Axon Specification by Driving the Formation of Parallel Microtubule Arrays

Author

van Beuningen, Sam F B, Will, Lena, Harterink, Martin, Chazeau, Anaël, van Battum, Eljo Y, Frias, Cátia P, Franker, Mariella A M, Katrukha, Eugene A, Stucchi, Riccardo, Vocking, Karin, Antunes, Ana T, Slenders, Lotte, Doulkeridou, Sofia, Sillevis Smitt, Peter, Altelaar, A F Maarten, Post, Jan A, Akhmanova, Anna, Pasterkamp, R Jeroen, Kapitein, Lukas C, de Graaff, Esther, Hoogenraad, Casper C, van Beuningen, Sam F B, Will, Lena, Harterink, Martin, Chazeau, Anaël, van Battum, Eljo Y, Frias, Cátia P, Franker, Mariella A M, Katrukha, Eugene A, Stucchi, Riccardo, Vocking, Karin, Antunes, Ana T, Slenders, Lotte, Doulkeridou, Sofia, Sillevis Smitt, Peter, Altelaar, A F Maarten, Post, Jan A, Akhmanova, Anna, Pasterkamp, R Jeroen, Kapitein, Lukas C, de Graaff, Esther, and Hoogenraad, Casper C

Abstract

Axon formation, the initial step in establishing neuronal polarity, critically depends on local microtubule reorganization and is characterized by the formation of parallel microtubule bundles. How uniform microtubule polarity is achieved during axonal development remains an outstanding question. Here, we show that the tripartite motif containing (TRIM) protein TRIM46 plays an instructive role in the initial polarization of neuronal cells. TRIM46 is specifically localized to the newly specified axon and, at later stages, partly overlaps with the axon initial segment (AIS). TRIM46 specifically forms closely spaced parallel microtubule bundles oriented with their plus-end out. Without TRIM46, all neurites have a dendrite-like mixed microtubule organization resulting in Tau missorting and altered cargo trafficking. By forming uniform microtubule bundles in the axon, TRIM46 is required for neuronal polarity and axon specification in vitro and in vivo. Thus, TRIM46 defines a unique axonal cytoskeletal compartment for regulating microtubule organization during neuronal development.

Published
2015

7. TRIM46 Controls Neuronal Polarity and Axon Specification by Driving the Formation of Parallel Microtubule Arrays

Author

Dep Biologie, Biomolecular Mass Spectrometry and Proteomics, Sub Cell Biology, Sub Biomol.Mass Spect. and Proteomics, Celbiologie, van Beuningen, Sam F B, Will, Lena, Harterink, Martin, Chazeau, Anaël, van Battum, Eljo Y, Frias, Cátia P, Franker, Mariella A M, Katrukha, Eugene A, Stucchi, Riccardo, Vocking, Karin, Antunes, Ana T, Slenders, Lotte, Doulkeridou, Sofia, Sillevis Smitt, Peter, Altelaar, A F Maarten, Post, Jan A, Akhmanova, Anna, Pasterkamp, R Jeroen, Kapitein, Lukas C, de Graaff, Esther, Hoogenraad, Casper C, Dep Biologie, Biomolecular Mass Spectrometry and Proteomics, Sub Cell Biology, Sub Biomol.Mass Spect. and Proteomics, Celbiologie, van Beuningen, Sam F B, Will, Lena, Harterink, Martin, Chazeau, Anaël, van Battum, Eljo Y, Frias, Cátia P, Franker, Mariella A M, Katrukha, Eugene A, Stucchi, Riccardo, Vocking, Karin, Antunes, Ana T, Slenders, Lotte, Doulkeridou, Sofia, Sillevis Smitt, Peter, Altelaar, A F Maarten, Post, Jan A, Akhmanova, Anna, Pasterkamp, R Jeroen, Kapitein, Lukas C, de Graaff, Esther, and Hoogenraad, Casper C

Published
2015

8. TRIM46 Controls Neuronal Polarity and Axon Specification by Driving the Formation of Parallel Microtubule Arrays

Author

TN groep Pasterkamp, TN groep Joëls, Brain, van Beuningen, Sam F B, Will, Lena, Harterink, Martin, Chazeau, Anaël, van Battum, Eljo Y, Frias, Cátia P, Franker, Mariella A M, Katrukha, Eugene A, Stucchi, Riccardo, Vocking, Karin, Antunes, Ana T, Slenders, Lotte, Doulkeridou, Sofia, Sillevis Smitt, Peter, Altelaar, A F Maarten, Post, Jan A, Akhmanova, Anna, Pasterkamp, R Jeroen, Kapitein, Lukas C, de Graaff, Esther, Hoogenraad, Casper C, TN groep Pasterkamp, TN groep Joëls, Brain, van Beuningen, Sam F B, Will, Lena, Harterink, Martin, Chazeau, Anaël, van Battum, Eljo Y, Frias, Cátia P, Franker, Mariella A M, Katrukha, Eugene A, Stucchi, Riccardo, Vocking, Karin, Antunes, Ana T, Slenders, Lotte, Doulkeridou, Sofia, Sillevis Smitt, Peter, Altelaar, A F Maarten, Post, Jan A, Akhmanova, Anna, Pasterkamp, R Jeroen, Kapitein, Lukas C, de Graaff, Esther, and Hoogenraad, Casper C

Published
2015

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