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.