Slow Diffusion Underlies Alternation of Fast and Slow Growth Periods of Microtubule Assembly

Table 1

Average durations (in second) of fast growth periods (𝑡_𝑓) and slow growth periods (𝑡_𝑠) in in vitro microtubule assembly and tubulin diffusion times (𝑡_𝑑=𝑡_𝑓+𝑡_𝑠).

Mean 𝑡𝑓 ± standard error	Mean 𝑡𝑠 ± standard error	Mean 𝑡𝑑	Seed for microtubule assembly	Reference
0.55 ± 0.09; (𝑛=5)	3.85 ± 0.57; (𝑛=17)	4.4	Axoneme − XMAP215	[10]
0.63 ± 0.11; (𝑛=6)	2.33 ± 0.37; (𝑛=11)	2.96	Axoneme + XMAP215	[10]
0.44 ± 0.04; (𝑛=8)	0.54 ± 0.08; (𝑛=6)	0.98	Microtubule fragments	[11]

𝑛: number of samples measured.