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. 1997 Nov 17;139(4):985–994. doi: 10.1083/jcb.139.4.985

Figure 5.

Figure 5

Nuclear movement requires cytoplasmic microtubules. Haploid strain 9dΔd (containing pKBY701) cells were treated with nocodazole (NZ) as described in the Materials and Methods. Five fluorescence images (from left to right) at 5-min intervals are shown. The cell on the lower left is small budded, and the poles have separated (note the asymmetry in intensity at the poles). The cell on the upper right has only one fluorescent SPB. No nuclear movements were detected throughout the analysis. Thus, nuclear motility is dependent upon intact cytoplasmic microtubules. Points of fluorescence, indicative of dynein-GFP, could be seen at the SPBs even upon prolonged NZ treatment. Short tufts of microtubules may be resistant to NZ treatment. Bar, 5 μm.