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. 2001 Sep 17;154(6):1102–1104. doi: 10.1083/jcb.200108139

Figure 1.

Figure 1.

New evidence for a possible spindle matrix. Speckles of polymerized tubulin (top) move over time (top to bottom), whereas speckles of the kinesin motor Eg5 (bottom) stay stationary relative to the spindle. Thus, the Eg5 may be tethered by a spindle matrix.