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. 2005 May 6;89(1):703–723. doi: 10.1529/biophysj.104.051219

FIGURE 13.

FIGURE 13

Actin density near the surface of the bacterium is a better predictor of bacterial speed than density in the tail region. (A) Maps of normalized χ2 error from a linear estimator are plotted for representative bacteria, with numbers as in previous figures. White represents χ2 = 1, and black represents χ2 = 0.93. In this calculation 10 s of previous history were included (nr = 5). Bacteria are centered and oriented as in previous figures. (B) Population average map of χ2 values for 7902 bacteria. Longitudinal cross-section is indicated by black lines. (C) χ2 values along longitudinal cross-section, for nr = 1 to nr = 5 indicated by the darkness of the traces. (D) Corresponding normalized actin (dotted line) and tracking channel (solid line) profile.