Table 2.
Distribution of virulence genes encoding particular proteins between CA-GBS and HA-GBS.
| Category | Virulence genea | Total no. of isolates with virulence geneb (%) | ||
|---|---|---|---|---|
| CA | HA | Total | ||
| Adhesion | fbsA | 29 (33.3) | 33 (37.9) | 62 (71.3) |
| fbsB | 34 (39.1) | 49 (56.3) | 83 (95.4) | |
| scpB | 34 (39.1) | 47 (54.0) | 81 (93.1) | |
| lmb | 32 (36.8) | 47 (54.0) | 79 (90.8) | |
| gbs 0628c | 23 (26.4) | 36 (41.4) | 59 (67.8) | |
| gbs 0629c | 22 (25.3) | 38 (43.7) | 60 (69.0) | |
| gbs 0630c | 23 (26.4) | 35 (40.2) | 58 (66.7) | |
| gbs 0631c | 24 (27.6) | 37 (42.5) | 61 (70.1) | |
| gbs 0632c | 23 (26.4) | 36 (41.4) | 59 (67.8) | |
| Invasion | cylX | 36 (41.4) | 44 (50.6) | 80 (92.0) |
| cylD | 35 (40.2) | 46 (52.9) | 81 (93.1) | |
| cylG | 36 (41.4) | 45 (51.7) | 81 (93.1) | |
| acpC | 36 (41.4) | 47 (54.0) | 83 (95.4) | |
| cylZ | 37* (42.5) | 43* (49.4) | 80 (92.0) | |
| cylA | 37* (42.5) | 42* (48.3) | 79 (90.8) | |
| cylB | 37 (42.5) | 47 (54.0) | 84 (96.6) | |
| cylE | 36 (41.4) | 44 (50.6) | 80 (92.0) | |
| cylF | 34 (39.1) | 45 (51.7) | 79 (90.8) | |
| cylI | 37 (42.5) | 49 (56.3) | 86 (98.9) | |
| cylJ | 36 (41.4) | 48 (55.2) | 84 (96.6) | |
| cylK | 8 (9.2) | 8 (9.2) | 16 (18.4) | |
| spb1 | 14 (16.1) | 13 (14.9) | 27 (31.0) | |
| hylB | 7 (8.0) | 9 (10.3) | 16 (18.4) | |
| rib | 4 (4.6) | 3 (3.4) | 7 (8.0) | |
| bca | 22 (25.3) | 31 (35.6) | 53 (60.9) | |
| Immune evasion | bac | 11 (12.6) | 10 (11.5) | 21 (24.1) |
| cpsM | 22 (25.3) | 33 (37.9) | 55 (63.2) | |
| cpsIaJ | 19 (21.8) | 33 (37.9) | 52 (59.8) | |
| cpsI | 9 (10.3) | 18 (20.7) | 27 (31.0) | |
| cpsG | 7 (8.0) | 18 (20.7) | 25 (28.7) | |
| cpsF | 4 (4.6) | 10 (11.5) | 14 (16.1) | |
| cpsE | 9 (10.3) | 13 (14.9) | 22 (25.3) | |
| cpsD | 23 (26.4) | 34 (39.1) | 57 (65.5) | |
| cpsC | 30 (34.5) | 43 (49.4) | 73 (83.9) | |
| cpsB | 28 (32.2) | 38 (43.7) | 66 (75.9) | |
| cpsA | 10 (11.5) | 12 (13.8) | 22 (25.3) | |
| neuA | 18 (20.7) | 26 (29.9) | 44 (50.6) | |
| neuD | 22 (25.3) | 29 (33.3) | 51 (58.6) | |
| neuB | 30 (34.5) | 38 (43.7) | 68 (78.2) | |
| cspA | 36 (41.4) | 50 (57.5) | 86 (98.9) | |
| Total | 37 (42.5) | 50 (57.5) | 87 (100.0) | |
a
All strains were positive for pavA, cfb, neuC, and pbp1A and were negative for cpsJ.
b
Boldface indicates that there was a significantly different distributions in the CA-GBS and HA-GBS isolates.
*
p < 0.05.
c
GBS pilus cluster.