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Trends Cell Biol. 2015 Mar;25(3):125-36. doi: 10.1016/j.tcb.2014.10.004. Epub 2014 Nov 25.

Post-translational modifications of tubulin: pathways to functional diversity of microtubules.

Author information

1
Yale School of Medicine, Department of Genetics and Howard Hughes Medical Institute, Boyer Center, 295 Congress Avenue, New Haven, CT 065105, USA.
2
Department of Anatomy and Cell Biology, 808 S. Wood St., Rm 578 (M/C 512), University of Illinois at Chicago, Chicago, IL 60612, USA. Electronic address: stbrady@uic.edu.

Abstract

Tubulin and microtubules are subject to a remarkable number of post-translational modifications. Understanding the roles these modifications play in determining the functions and properties of microtubules has presented a major challenge that is only now being met. Many of these modifications are found concurrently, leading to considerable diversity in cellular microtubules, which varies with development, differentiation, cell compartment, and cell cycle. We now know that post-translational modifications of tubulin affect, not only the dynamics of the microtubules, but also their organization and interaction with other cellular components. Many early suggestions of how post-translational modifications affect microtubules have been replaced with new ideas and even new modifications as our understanding of cellular microtubule diversity comes into focus.

KEYWORDS:

acetylation; detyrosination; microtubule; polyamination; polyglutamylation; tubulin

PMID:
25468068
PMCID:
PMC4344850
DOI:
10.1016/j.tcb.2014.10.004
[Indexed for MEDLINE]
Free PMC Article

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