Table 2

Properties of the PFGE clusters with >15 GAS isolates collected from invasive infections and tonsillo-pharyngitis in Portugal
PFGE clustera emmtype No. of isolates (% of total) T typeb(no. of isolates) SAg genes profile (no. of isolates) STc(no. of isolates)
Invasive Pharyngitis
A51 3 15 (9.4) 36 (11.25) 3 (22), NT (14), 3/13 (13), 1 (2) 8 (48), 37 (2), 2 (1) 406 (8), 15 (4), 315 (2)
B49 1 28 (17.5) 20 (6.3) 1 (46), NT (2) 10 (47), 3 (1) 28 (10)
stIL103 1 (0.6) 0 1 (1) 10 (1) 28 (1)
C38 89 12 (7.5) 25 (7.8) B3264 (37) 27 (21), 29 (8), 46 (5), 43 (2), 40 (1) 408 (5), 553 (1), 101 (2)
75 0 1 (0.3) 25 (1) 42 (1) 150 (1)
D36 12 10 (6.3) 25 (7.8) 12 (29), NT (6) 33 (29), 16 (5), 46 (1) 36 (13), 551 (2)
94 1 (0.6) 0 B3264 (1) 35 (1) 89 (1)
E30 6 11 (6.9) 19 (5.9) 6 (27), NT (2), 2(1) 2 (28), 5 (1), 9 (1) 382 (6), 411 (3)
F29 4 1 (0.6) 28 (8.8) 4 (29) 23 (27), 22 (2) 39 (5)
G27 4 8 (5.0) 19 (5.9) 4 (23), B3264 (2), 2/27/44 (1), 2/4 (1) 23 (23), 30 (2), 40 (1), 41 (1) 39 (8), 561 (1)
H26 28 7 (4.4) 17 (5.3) 28 (23), NT (1) 27 (13), 24 (10), 15 (1) 52 (10)
22 0 1 (0.3) 12 (1) 3 (1) nd
75 0 1 (0.3) NT (1) 7 (1) 481 (1)
I24 44/61 6 (3.8) 16 (5.0) 2/27/44 (19), NT (2), 12 (1) 32 (16), 12 (6) 25 (5), 554 (1)
75 0 1 (0.3) 25 (1) 36 (1) 150 (1)
89 0 1 (0.3) 5/27/44 (1) 6 (1) 555 (1)
J16 64 11 (6.9) 0 3/13 (5), NT (4), 1 (2) 46 (10), 43 (1) 164 (4), 124 (1)
53 2 (1.3) 0 NT (2) 26 (2) 11 (1)
74 0 1 (0.3) B3264 (1) 11 (1) 120 (1)
87 0 1 (0.3) 28 (1) 38 (1) 62 (1)
89 0 1 (0.3) B3264 (1) 43 (1) 568 (1)

a Clusters are designated by capital letters and a subscript number indicating the number of isolates in each cluster; b NT, non-typeable; c nd, not determined.

Friães et al.

Friães et al. BMC Microbiology 2012 12:280   doi:10.1186/1471-2180-12-280

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