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. 2017 Aug 1;83(16):e00953-17. doi: 10.1128/AEM.00953-17

TABLE 1.

Streptococcus pneumoniae strains utilized in this study

Streptococcus pneumoniae strain Serotype Descriptiona Source or reference
D39 2 Avery's virulent strain, isolated in 1916, CSP1 46
TIGR4 4 Invasive isolate from blood of 30-yr-old male in Norway, CSP2 25
SPJV16 4 TIGR4ΔluxS::erm(B), Eryr This study
SPJV20 4 TIGR4ΔcomC::erm(B), Eryr This study
SPJV21 4 SPJV16 transformed with Ami9 DNA, Eryr Strr This study
ATCC 49619 19F Reference strain recommended by CLSI for antimicrobial susceptibility testing 42
R6Ami9 2 R6 derivative, Strr D. Zanher
6B 6B Invasive isolate, utilized as qPCR control 11
8655 6B Invasive isolate, serotype 6B, CSP2; Penr Eryr Clir Trmr Tetr CDC
3875 6B Invasive isolate, serotype 6B, CSP1 CDC
3179 19F Invasive isolate, utilized as qPCR control 11
5131 19F Invasive isolate, serotype 19F, CSP2; Penr Trmr CDC
4924 19F Invasive isolate, serotype 19F, CSP1; Penr Eryr Clir Trmr Tetr CDC
8064 23F Invasive isolate, CSP1; Trmr CDC
23F 23F Invasive isolate, utilized as qPCR control 11
a

Abbreviations: Ery, erythromycin; Str, streptomycin; Pen, penicillin; Cli, clindamycin; Trm, trimethoprim; Tet, tetracycline.