Abstract
Microtubules form by the polymerization of heterodimers composed of α- and β-tubulin into long hollow filaments. Both ends are not identical; β subunits are exposed at the dynamic plus end, where two modes of different stability can alternate dramatically. In the polymerizing, growing mode new subunits add on to the plus end whereas subunits are lost in the depolymerizing mode, leading to rapid shrinkage or ‘catastrophe’. The opposite minus end is less dynamic.
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Hagan, I.M. (2004). The Mitotic Spindle and Genome Segregation. In: Egel, R. (eds) The Molecular Biology of Schizosaccharomyces pombe . Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-10360-9_13
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DOI: https://doi.org/10.1007/978-3-662-10360-9_13
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