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. 2005 Mar;16(3):1178–1188. doi: 10.1091/mbc.E04-09-0765

Figure 6.

Figure 6.

Putative kinetochore microtubules seem to be the shortest microtubules and to have the least amount of pairing between microtubules in the spindle models. Histograms of the number of microtubules per spindle sorted by the ratio of microtubule length to spindle length for MI spindles (A) and MII (B) spindles normalizes microtubule lengths across all of the spindle models and reveals two classes of microtubules, where the relatively short microtubules (≤0.5 of spindle length) are thought to be kinetochore microtubules (see text). Histograms of the number of microtubules per spindle sorted by microtubule lengths for MI spindles (C) and MII spindles (D). The shaded areas indicate microtubules with significant pairing (lengths of ≥0.2 μm in MI spindles and of >0.3 μm in MII spindles) with microtubules from the opposing SPB. Here again, the shorter microtubules without significant pairing (unshaded) seem to be kinetochore microtubules and number very near 32 per spindle (1 per kinetochore; see text).