TABLE 2.
Anti-SCPB-induced killing of GBS by macrophages in heterologous serotypes
| Strains | Serotype | GBS killed (mean % ± SEM) by BMMs in:
|
||
|---|---|---|---|---|
| Normal serum | Anti-SCPB | Anti-Cpsa | ||
| MIA-00070 | Ia | 14 ± 2.5 | 50 ± 2.3 | 65 ± 3.2 |
| O90R | Ia | 12 ± 1.8 | 50 + 3.1 | (ND) |
| M1A-00063 | Ib | 8.5 ± 2.1 | 48 ± 1.6 | (ND) |
| 78–471 | II | 4 ± 0.3 | 38 ± 1.7 | 45 ± 1.3 |
| M1A-00065 | III | 4 + 0.5 | 48 ± 2.5 | 62 ± 2.5 |
| M1A-00071 | III | 0 ± 4.2 | 55 ± 5.0 | 65 ± 6.4 |
| M1A-00047 | V | 0 ± 2.3 | 42 ± 0.9 | 48 ± 2.5 |
a
Anti-Cps is the percent of streptococci that were preincubated with homologous antisera, which include anti-Cps Ia, anti-Cps II, anti-Cps III or anti-Cps V, respectively. ND, not done.