TABLE 5.
Distribution of the hylB gene and IS1548 in relation to the sources, serotypes, and MLEE phylogenetic groups of S. agalactiae strains (24)
| Distribution of: | n | No. of isolates with:
|
|||
|---|---|---|---|---|---|
|
hylB gene amplification
|
IS1548 amplification
|
||||
| 2.9-kb fragment | 4.2-kb fragment | No ampli-fication | 1.3-kb fragment | ||
| Sourcea | |||||
| Vagina | 37 | 36 | 1 | 36 | 1 |
| Gastric fluid | 22 | 21 | 1 | 21 | 1 |
| CSF | 54 | 44 | 10 | 44 | 10 |
| Total | 113 | 101 | 12 | 101 | 12 |
| Serotype | |||||
| Ia | 16 | 16 | 0 | 16 | 0 |
| Ib | 12 | 12 | 0 | 12 | 0 |
| II | 19 | 19 | 0 | 19 | 0 |
| III | 55 | 43 | 12 | 43 | 12 |
| Others | 12 | 12 | 0 | 12 | 0 |
| Total | 114 | 102 | 12 | 102 | 12 |
| MLEE phylogenetic group | |||||
| MLEE group I | 41 | 41 | 0 | 41 | 0 |
| MLEE group II | 73 | 61 | 12 | 61 | 12 |
| ET 11 | 6 | 6 | 0 | 6 | 0 |
| ET 12 | 15 | 5 | 10 | 5 | 10 |
| Total | 114 | 102 | 12 | 102 | 12 |
a
The type strain, NCTC 8181T, isolated from milk was not included in this analysis.