Table 1 Prevalence of 89 GBS proteins among South African GBS clinical isolates.
GBS protein | Overall % n = 1251 | Invasive isolates % n = 648 | Colonizing isolates % n = 603 |
|---|---|---|---|
Alp1 | 21.8 (273) | 21.5 (138) | 22.4 (135) |
Alp2/3 | 5.1 (64) | 4.3 (27) | 6.2 (37) |
AlpC | 9.7 (121) | 9.0 (58) | 10.4 (63) |
Rib | 60.0 (750) | 58.2 (377) | 61.9 (373) |
Alp-family* | 96.1 (1202) | 92.0 (596) | 99.8 (602) |
C5a | 85.5 (1070) | 77.8 (504) | 93.9 (566) |
LrrG | 97.6 (1221) | 96.3 (624) | 99.0 (597) |
PI-1 | 70.2 (878) | 68.2 (442) | 72.3 (436) |
PI-2a | 41.7 (522) | 44.1 (286) | 39.1 (236) |
PI-2b | 54.0 (676) | 55.2 (358) | 52.7 (318) |
PI-proteins** | 98.7 (1235) | 98.8 (640) | 98.7 (595) |
SIP | 99.0 (1239) | 98.8 (640) | 99.3 (599) |
Srr2 | 12.5 (157) | 16.4 (106) | 8.5 (51) |
gbs2106 | 98.2 (1230) | 96.8 (628) | 99.8 (602) |
SAN_0021 | 98.3 (1231) | 97.2 (631) | 99.5 (600) |
SAN_0024 | 97.0 (1214) | 95.2 (618) | 98.8 (596) |
SAN_0042 | 99.0 (1240) | 98.5 (639) | 99.7 (601) |
SAN_0145 | 99.4 (1244) | 99.7 (647) | 99.0 (597) |
SAN_0185 | 96.9 (1213) | 94.3 (612) | 99.7 (601) |
SAN_0198 | 99.4 (1245) | 99.7 (647) | 99.2 (598) |
SAN_0226 | 99.3 (1243) | 100 (648) | 98.7 (595) |
SAN_0300 | 99.6 (1247) | 100 (648) | 99.3 (599) |
SAN_0314 | 98.7 (1239) | 98.9 (642) | 99.0 (597) |
SAN_0325 | 99.0 (1240) | 98.8 (641) | 99.3 (599) |
SAN_0343 | 99.4 (1245) | 99.7 (647) | 99.2 (598) |
SAN_0356 | 99.6 (1247) | 100 (648) | 99.3 (599) |
SAN_0413 | 98.6 (1235) | 97.5 (633) | 99.8 (602) |
SAN_0429 | 99.8 (1250) | 100 (648) | 99.8 (602) |
SAN_0438 | 61.6 (771) | 59.2 (384) | 64.2 (387) |
SAN_0453 | 0.2 (2) | 0.15 (1) | 0.2 (1) |
SAN_0496 | 96.2 (1205) | 92.8 (602) | 100 (603) |
SAN_0502 | 99.4 (1244) | 99.2 (644) | 99.5 (600) |
SAN_0504 | 97.7 (1223) | 96.8 (628) | 98.7 (595) |
SAN_0568 | 95.0 (1189) | 90.4 (587) | 99.8 (602) |
SAN_0642 | 99.7 (1248) | 100 (648) | 99.5 (600) |
SAN_0668 | 99.3 (1243) | 99.1 (643) | 99.5 (600) |
SAN_0683 | 99.6 (1247) | 99.4 (645) | 99.8 (602) |
SAN_0699 | 69.1 (865) | 67.0 (435) | 71.3 (430) |
SAN_0791 | 99.5 (1246) | 99.2 (644) | 99.8 (602) |
SAN_0857 | 99.2 (1242) | 99.1 (643) | 99.3 (599) |
SAN_0865 | 98.5 (1233) | 97.5 (633) | 99.5 (600) |
SAN_0881 | 95.4 (1194) | 91.8 (596) | 99.2 (598) |
SAN_0891 | 98.7 (1236) | 98.2 (637) | 99.3 (599) |
SAN_0924 | 91.2 (1142) | 83.4 (541) | 99.7 (601) |
SAN_0990 | 99.1 (1241) | 98.5 (639) | 99.8 (602) |
SAN_1012 | 93.9 (1176) | 89.5 (581) | 98.7 (595) |
SAN_1040 | 99.7 (1248 | 99.7 (647) | 99.7 (601) |
SAN_1095 | 70.2 (879) | 67.8 (440) | 72.8 (439) |
SAN_1130 | 99.7 (1248) | 99.7 (647) | 99.7 (601) |
SAN_1132 | 100 (1251) | 100 (648) | 100 (603) |
SAN_1152 | 93.4 (1169) | 90.0 (584) | 97.0 (585) |
SAN_1174 | 73.5 (920) | 63.5 (412) | 84.2 (508) |
SAN_1228 | 99.5 (1246) | 99.4 (645) | 99.7 (601) |
SAN_1255 | 69.5 (870) | 67.2 (436) | 72.0 (434) |
SAN_1301 | 82.2 (1029) | 65.8 (427) | 99.8 (602) |
SAN_1318 | 99.8 (1249) | 99.7 (647) | 99.8 (602) |
SAN_1326 | 97.0 (1215) | 97.4 (632) | 96.7 (583) |
SAN_1335 | 99.5 (1246) | 99.5 (646) | 99.5 (600) |
SAN_1366 | 98.6 (1234) | 97.8 (635) | 99.3 (599) |
SAN_1427 | 99.1 (1241) | 98.8 (641) | 99.5 (600) |
SAN_1449 | 94.2 (1180) | 89.1 (578) | 99.8 (602) |
SAN_1519 | 53.1 (665) | 53.8 (349) | 52.4 (316) |
SAN_1556 | 98.3 (1231) | 96.8 (628) | 100 (603) |
SAN_1568 | 96.6 (1209) | 93.5 (607) | 99.8 (602) |
SAN_1577 | 99.6 (1247) | 99.2 (644) | 100 (603) |
SAN_1578 | 96.0 (1202) | 92.9 (603) | 99.3 (599) |
SAN_1597 | 99.5 (1246) | 99.5 (646) | 99.5 (600) |
SAN_1621 | 99.8 (1250) | 100 (648) | 99.7 (601) |
SAN_1656 | 98.0 (1227) | 98.3 (638) | 97.7 (589) |
SAN_1657 | 99.3 (1243) | 99.2 (644) | 99.3 (599) |
SAN_1658 | 97.4 (1220) | 95.2 (618) | 99.8 (602) |
SAN_1685 | 99.0 (1240) | 98.5 (639) | 99.7 (601) |
SAN_1725 | 95.1 (1191) | 90.6 (588) | 100 (603) |
SAN_1735 | 99.7 (1248) | 99.5 (646) | 99.8 (602) |
SAN_1808 | 99.4 (1244) | 98.9 (642) | 99.8 (602) |
SAN_1907 | 99.5 (1246) | 99.2 (644) | 99.8 (602) |
SAN_2000 | 72.6 (909) | 59.0 (383) | 87.2 (526) |
SAN_2005 | 100(1251) | 100 (648) | 100 (603) |
SAN_2037 | 94.8 (1187) | 94.6 (614) | 95.0 (573) |
SAN_2041 | 99.1 (1241) | 98.9 (642) | 99.3 (599) |
SAN_2045 | 99.8 (1249) | 100 (648) | 99.7 (601) |
SAN_2074 | 99.5 (1246) | 99.5 (646) | 99.5 (600) |
SAN_2097 | 5.5 (69) | 4.3 (28) | 6.8 (41) |
SAN_2106 | 36.8 (461) | 38.1 (247) | 35.5 (214) |
SAN_2127 | 36.3 (454) | 37.6 (244) | 34.8 (210) |
SAN_2128 | 30.4 (380) | 32.2 (209) | 28.4 (171) |
SAN_2186 | 97.5 (1221) | 96.8 (628) | 98.3 (593) |
SAN_2212 | 95.7 (1198) | 91.8 (596) | 99.8 (602) |
SAN_2224 | 99.3 (1243) | 98.9 (642) | 99.7 (601) |
SAN_2321 | 97.9 (1226) | 96.9 (629) | 99.0 (597) |
SAN_2346 | 49.4 (618) | 47.0 (305) | 51.9 (313) |