Table 1. Distribution of sequence types, serotypes, surface protein and pilus genes of group B streptococcal isolates within clonal complexes, Portugal (24 hospitals), 2009–2015 (n = 555).
| CC/ST (n) | Serotype (n) | Alp gene (n) | Pilus (n) |
|---|---|---|---|
|
CC1 (224) ST1 (196), ST2 (13), ST196 (3), ST153 (2), ST499 (2), ST778 (1), ST810 (1), ST777 (1), ST815 (1), ST817 (1), ST818 (1), ST877 (1), ST879 (1) |
Ib (110), V (77), Ia (12), IV (5), II (3), VI (2), NT (15) | alp3 (202), eps (23), bca (5), rib (1) | PI-1+PI-2a (209), PI-2a (12), PI-1+PI-2b (5), PI-2b (2) |
|
CC4 (6) ST3 (5), ST4 (1) |
Ib (3), Ia (2), NT (1) | bca (5), eps (1) | PI-1+PI-2a (5), PI-2b (1) |
|
CC7 (1) ST7 (1) |
Ia (1) | bca (1) | PI-1+PI-2b (1) |
|
CC10 (37) ST10 (18), ST8 (16), ST12 (3) |
Ib (20), Ia (5), II (5), V (2), NT (5) | bca (35), eps (2) | PI-1+PI-2a (37) |
|
CC17 (32) ST17 (22), ST109 (4), ST290 (2), ST291 (2), ST147 (1), ST779 (1) |
III (31), IV (1) | rib (32) | PI-1+PI-2b (29), PI-2b (3) |
|
CC19 (73) ST19 (36), ST28 (17), ST347 (9), ST110 (4), ST286 (2), ST27 (1), ST182 (1), ST267 (1), ST327 (1), ST335 (1), ST472 (1), ST529 (1), ST769 (1), ST772 (1), ST816 (1), ST876 (1) |
III (37), II (27), V (10), Ia (1), IV (1), VIII (1), NT (2) | rib (73), eps (5), bca (1) | PI-1+PI-2a (74), PI-2a (4), PI-1+PI-2b (1) |
|
CC23 (157) ST23 (79), ST24 (38), ST498 (18), ST144 (10), ST88 (3), ST640 (2), ST452 (1), ST756 (1), ST768 (1), ST774 (1), ST776 (1), ST781 (1), ST875 (1) |
Ia (146), V (5), II (2), III (2), IV (2) | eps (81), bca (58), rib (11), alp2 (7) | PI-2a (149), PI-1+PI-2a (7), PI-2b (1) |
|
CC26 (7) ST26 (7) |
V (7) | None (7) | PI-2a (7) |
|
CC103 (2) ST103 (2) |
Ia (2) | bca (2) | PI-2b (2) |
|
CC130 (8) ST130 (8) |
IX (8) | bca (8) | PI-2a (8) |
|
Singleton (2) ST773 (1) ST775 (1) |
V (1) VIII (1) |
eps (1) alp3 (1) |
PI-1+PI-2a (1) PI-1+PI-2b (1) |
Alp: alpha/alpha-like protein; CC: clonal complex; NT: non-typeable; ST: sequence type.