TABLE 2.
Adherence to ECM proteins
| Strain | Mean no. of cells bound (106) (SD)a
|
Source or reference | |||
|---|---|---|---|---|---|
| Human fibronectin (n = 3) | Rat collagen I (n = 3) | Human collagen I (n = 2) | Human collagen IV (n = 2) | ||
| S. mutans | |||||
| LT11 | 37 (9.0) | 21 (12.0) | NS | NS | This study |
| IB03987 | 30 (10.8)* | 7 (14.4)* | NS | NS | This study |
| S. intermedius | |||||
| NCTC 11324 | 1.6 (0.5) | NS | NS | NS | 39 |
| IB08981 | 0.4 (0.2)* | NS | NS | NS | 39 |
| Control (S. mutans OMZ 175) | - | 26 (3.0)b | 22 (4.3) | 16 (1.2) | 39 |
a
*, Significantly different from the wild type (P < 0.05) as calculated by paired t test. NS, counts not significantly different from background values. -, Not tested.
b
n = 2.