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. Author manuscript; available in PMC: 2018 Sep 18.
Published in final edited form as: Chem Soc Rev. 2017 Sep 18;46(18):5570–5587. doi: 10.1039/c7cs00030h

Figure 2.

Figure 2

(a) Microtubule assembly proceeds at both ends with unequal rates, giving rise to a length distribution with a peak at intermediate lengths. (b) An equilibrium between tubulin addition and removal is established within minutes. (c) Mixing two microtubule populations of different fluorescent labels (red and green) reveals end-to-end joining of microtubules observed on a timescale of days. Scale bar: 10 μm. (a) & (b) reproduced from10 and (c) reproduced from9 with permission from the Royal Society of Chemistry.