TABLE 1.
Summary for the experiments
All ranges are S.D.
| GFP-M10-FULL | GFP-M10-ΔFERM | |
|---|---|---|
| Length of filopodia in steady state (μm) | 3.6 ± 1.7 | 2.3 ± 1.4 |
| Average number of filopodia per boundary (number/μm) | ||
| Matrigel | 0.23 ± 0.67 | 0.19 ± 0.63 |
| Fibronectin | 0.19 ± 0.64 | 0.22 ± 0.68 |
| Assembling time (s) | 9.8 ± 5.8 | 11.3 ± 8.2 |
| Extension velocity (nm/s) | 69 ± 50 | 124 ± 59 |
| 79.3a | 128.8a | |
| Gaussian peaks (nm/s) | 50 ± 25, 108 ± 54 | 113 ± 56 |
| Retraction velocity (nm/s) | −10 ± 17 | −16 ± 20 |
| −7.8a | −14.1a | |
| Distances of the rapid retraction (nm) | 241 ± 101 | 385 ± 200 |
| 243a | 391a | |
| Maximum velocity of the rapid retraction (nm/s) | 461 ± 277 | 927 ± 390 |
| Length of the filopodial extension during each cycle (μm) | 2.4 ± 1.4 | 2.3 ± 1.4 |
| Probabilities of second extensions (%) | 25 ± 14 | 5.0 ± 1.0 |
| Probabilities of third extensions (%) | 20 ± 20 | 1.7 ± 1.7 |
| Duration time until next extension (s) | 85 ± 64 | 69 ± 45 |
| Velocity of Intra filopodial movements (nm/s) | 578 ± 210 | 583 ± 212 |
a Obtained from the average trace in Fig. 4.