Table 2.
Best-fit viscoelastic constants of R. leguminsarum bv. viciae 3841 (wt) and 3845 (ctpA) as a function of loading force. k1, k2, η2, and η1 were fit from the four-element Burgers model [47].
| Force (nN) |
k1 (N/m) |
k2 (N/m) |
η2 (N•s/m) |
η1 (N•s/m) |
||||
|---|---|---|---|---|---|---|---|---|
| wt | ctpA | wt | ctpA | wt | ctpA | wt | ctpA | |
| 2 | 0.52 ± 0.37 n = 22 |
0.45 ± 0.22 n = 21 |
0.22 ± 0.12 n = 22 |
0.18 ± 0.06 n = 21 |
0.14 ± 0.12 n = 22 |
0.13 ± 0.06 n = 21 |
5.27 ± 4.38 n = 22 |
5.04 ± 4.24 n = 21 |
| 4 | 0.89 ± 0.48 n = 26 |
0.758 ± 0.46 n = 23 |
0.31 ± 0.13 n = 26 |
0.30 ± 0.13 n = 23 |
0.23 ± 0.15 n = 26 |
0.23 ± 0.10 n = 23 |
8.22 ± 6.26 n = 26 |
7.51 ± 5.58 n = 23 |
| 6 | 0.97 ± 0.56 * n = 18 |
1.39 ± 0.78 * n = 23 |
0.37 ± 0.12 n = 18 |
0.41 ± 0.16 n = 23 |
0.27 ± 0.16 n = 18 |
0.33 ± 0.23 n = 23 |
9.95 ± 5.66 * n = 18 |
7.04 ± 4.50 * n = 23 |
| 10 | 1.56 ± 0.59 n = 21 |
1.71 ± 0.92 n = 27 |
0.57 ± 0.15 * n = 21 |
0.46 ± 0.21 * n = 27 |
0.52 ± 0.36 n = 21 |
0.48 ± 0.21 n = 27 |
12.5 ± 5.97 † n = 21 |
6.78 ± 3.87 † n = 27 |
* Student’s t-test p < 0.05 (one tail); † Student’s t-test p < 0.05 (two tail).