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Table 3 Molecular characteristics of S. pneumoniae isolated from children with AOM

From: Etiology of acute otitis media and phenotypic-molecular characterization of Streptococcus pneumoniae isolated from children in Liuzhou, China

ST,serotype (n) Resistance genes n(%) Virulence genes n(%)
erm(B) mef(A/E) tet(M) ply lytA pspA rlrA sipA
ST271,19F(18) 17 (45.9) 15 (40.5) 18 (48.6) 18 (48.6) 18 (48.6) 17 (45.9) 13 (35.1) 17 (45.9)
ST271,23A(1) 1 (2.7) 1 (2.7) 1 (2.7) 1 (2.7) 1 (2.7) 1 (2.7) 0 (0.0) 0 (0.0)
ST320,19F(2) 1 (2.7) 1 (2.7) 1 (2.7) 2 (5.4) 2 (5.4) 2 (5.4) 2 (5.4) 2 (5.4)
ST320,19A(7) 7 (18.9) 5 (13.5) 7 (18.9) 7 (18.9) 7 (18.9) 6 (16.2) 4 (10.8) 5 (13.5)
ST505,3 (1) 1 (2.7) 0 (0.0) 1 (2.7) 1 (2.7) 1 (2.7) 0 (0.0) 0 (0.0) 0 (0.0)
ST505,19F(1) 1 (2.7) 0 (0.0) 1 (2.7) 1 (2.7) 1 (2.7) 0 (0.0) 0 (0.0) 0 (0.0)
ST876,14 (2) 2 (5.4) 0 (0.0) 2 (5.4) 2 (5.4) 2 (5.4) 2 (5.4) 0 (0.0) 0 (0.0)
ST902,19F(1) 1 (2.7) 1 (2.7) 1 (2.7) 1 (2.7) 1 (2.7) 0 (0.0) 1 (2.7) 1 (2.7)
ST1624,6B(1) 1 (2.7) 0 (0.0) 1 (2.7) 1 (2.7) 1 (2.7) 1 (2.7) 1 (2.7) 0 (0.0)
ST7768,15B/C(1) 1 (2.7) 0 (0.0) 1 (2.7) 1 (2.7) 1 (2.7) 1 (2.7) 1 (2.7) 0 (0.0)
ST93,6B(1) 1 (2.7) 0 (0.0) 1 (2.7) 1 (2.7) 1 (2.7) 1 (2.7) 0 (0.0) 0 (0.0)
Untypeable,19F(1) 1 (2.7) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
Total 35 (94.6) 23 (62.2) 35 (94.6) 36 (97.3) 36 (97.3) 31 (83.8) 22 (59.5) 25 (67.6)
  1. NOTE. Values are number of isolates
  2. AOM, acute otitis media