Figure 3. Periodicity of α-actinin within SFs. Swiss 3T3 cells stably expressing GFP–α-actinin (Edlund et al., 2001) were fixed and labeled with Texas red–phalloidin to label F-actin. Note the variable dimensions and spacing of the periodic fluorescence of GFP-tagged α-actinin along the length of SFs (red). Bar, 25 µm. (inset) Enlarged view of the boxed area. Bar, 10 µm.
Figure 3.

Periodicity of α-actinin within SFs. Swiss 3T3 cells stably expressing GFP–α-actinin (Edlund et al., 2001) were fixed and labeled with Texas red–phalloidin to label F-actin. Note the variable dimensions and spacing of the periodic fluorescence of GFP-tagged α-actinin along the length of SFs (red). Bar, 25 µm. (inset) Enlarged view of the boxed area. Bar, 10 µm.

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