Table 2.
Results of molecular serotyping and detection of virulence genes of S. agalactiae.
| Serotype | The Presence of Genes Encoding Fimbriae | The Presence of Genes Encoding Surface Proteins | Ability to Form Biofilm | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Pl-1 +Pl-2a |
Pl-1 +Pl-2b |
Pl-2a | Pl-2b | epsilon | rib | alp2/3 | bca | alp4 ** | Weak | Modera-te | Strong | |
| Ia | 30 | 2 (6.7) * |
0 (0.0) |
28 (93.3) |
0 (0.0) |
26 (86.7) |
4 (13.3) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
17 (56.7) |
12 (40.0) |
1 (3.3) |
| Ib | 12 | 9 (75.0) |
1 (8.3) |
1 (8.3) |
1 (8.3) |
3 (25.0) |
4 (33.3) |
3 (25.0) |
2 (16.7) |
0 (0.0) |
3 (25.0) |
9 (75.0) |
0 (0.0) |
| II | 19 | 16 (84.2) |
1 (5.3) |
0 (0.0) |
2 (10.5) |
2 (10.5) |
9 (47.4) |
2 (10.5) |
6 (31.6) |
0 (0.0) |
8 (42.1) |
10 (52.6) |
1 (5.3) |
| III | 54 | 22 (40.7) |
27 (50.0) |
4 (7.4) |
1 (1.8) |
2 (3.7) |
40 (74.1) |
12 (22.2) |
0 (0.0) |
0 (0.0) |
23 (42.6) |
28 (51.9) |
3 (5.5) |
| IV | 4 | 1 (25.0) |
3 (75.0) |
0 (0.0) |
0 (0.0) |
3 (75.0) |
1 (25.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
3 (75.0) |
1 (25.0) |
0 (0.0) |
| V | 42 | 35 (83.3) |
2 (4.8) |
5 (11.9) |
0 (0.0) |
1 (2.4) |
12 (28.6) |
29 (69.0) |
0 (0.0) |
0 (0.0) |
16 (38.1) |
24 (57.1) |
2 (4.8) |
| VI | 3 | 3 (100.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
2 (66.7) |
1 (33.3) |
0 (0.0) |
0 (0.0) |
1 (33.3) |
2 (66.7) |
0 (0.0) |
| VII | 1 | 0 (0.0) |
1 (100.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
0 (0.0) |
1 (100.0) |
0 (0.0) |
0 (0.0) |
1 (100.0) |
0 (0.0) |
0 (0.0) |
| Total | 165 | 88 | 35 | 38 | 4 | 37 | 72 | 48 | 8 | 0 | 72 | 86 | 7 |
* The percentage values. ** The alp4 gene was not found in the strains tested.