Table 3

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) ST(no. of isolates)
Invasive Pharyngitis
K14 2 1 (0.6) 13 (4.1) 2 (13), 4 (1) 31 (12), 48 (2) 55 (5)
L13 22 1 (0.6) 7 (2.2) 12 (8) 21 (6), 13 (1), 19 (1) 46 (2), 389 (1)
9 1 (0.6) 1 (0.3) 9 (1), NT (1) 46 (2) 75 (2)
2 0 1 (0.3) 2 (1) 31 (1) 55 (1)
74 1 (0.6) 0 9 (1) 5 (1) 120 (1)
st106M 1 (0.6) 0 4 (1) 49 (1) 53 (1)
M11 28 8 (5.0) 3 (0.9) 28 (11) 24 (7), 27 (3), 15 (1) 52 (5)
N10 87 2 (1.3) 7 (2.2) 28 (8), 6 (1) 20 (3), 27 (3), 2 (1), 18 (1), 44 (1) 62(2)
22 0 1 (0.3) 12 (1) 21 (1) 46 (1)
O9 1 4 (2.5) 5 (1.6) 1 (8), 13 (1) 10 (9) 28 (4)
P8 78 4 (2.5) 4 (1.3) 11 (7), 3/13 (1) 29 (8) 409 (3)
Q8 43 4 (2.5) 0 3/13 (2), NT (2) 11 (4) 3 (2)
58 2 (1.3) 2 (0.6) NT (4) 17 (3), 14 (1) 410 (3), 176 (1)
R6 75 0 6 (1.9) 25 (6) 39 (6) 150 (2)
S6 9 1 (0.6) 4 (1.3) 9 (5) 40 (5) 75 (2)
12 0 1 (0.3) 12 (1) 33 (1) 36 (1)

a Clusters are designated by capital letters and a subscript number indicating the number of isolates in each cluster; b NT, non-typeable.

Friães et al.

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

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