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. 2016 Jun 15;27(12):1875–1884. doi: 10.1091/mbc.E16-01-0069

FIGURE 2:

FIGURE 2:

Telomere hyperclusters colocalize with the nuclear membrane. (A) Telomere hyperclusters (Sir2-GFP) display slower MSDs in WT quiescent cells (7 d, red line) than in proliferating G1 cells (green line). Error bars are SEM. (B) Telomere hyperclusters colocalize with the nuclear membrane. WT quiescent cells (7 d) expressing Nup2-RFP (red) and Sir2-GFP (green, left panel) or Sir3-GFP (green, right panel). (C and D) Telomere hyperclusters are distributed nonhomogenously around the quiescent cell nucleus periphery. (C) WT quiescent cells (7 d) expressing Sir2-GFP (green) and Bim1-RFP (red), a protein localized along the nuclear microtubule bundle, were used to analyze telomere hypercluster localization. The mean number of detected Sir2-GFP foci per cell and the percentage of cells displaying nuclear microtubule bundle in the population are indicated. (D) Left, schematics showing edge-based detection of telomere hyperclusters and nuclear microtubule bundle position. Right, Sir2-GFP localization (top, blue dots) and the corresponding heat map (bottom) are shown. In the two panels, a sum of nuclear volume 3D projections using the nuclear microtubule bundle (green) as an oriented symmetry axis reference (the SPB been the origin, yellow arrow) is shown. Scale bars: 2 μm.