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. 2006 May 8;173(3):383–394. doi: 10.1083/jcb.200511093

Figure 2.

Figure 2.

Ventral stress fiber assembly. Time-lapse images of U2OS cell expressing YFP-actin (green) and zyxin-CFP (red). The same time-lapse images in grayscale are shown in the bottom panel to highlight the assembly of a single ventral stress fiber. Dorsal stress fibers, transverse arc, and ventral stress fiber are indicated with red, yellow, and green, respectively. The focal adhesions are marked with arrows in both panels. The two arrows at the upper part of the cell (9–18-min frames) indicate two focal adhesions, which both appear to anchor the stress fiber to substrate. The more distal focal adhesion disappears during the maturation of the stress fiber. See Video 3 (available at http://www.jcb.org/cgi/content/full/jcb.200511093/DC1). Bar, 10 μm.