Table 1.
Bacterial strains used in this study.
| Strain | Relevant characteristics | References |
|---|---|---|
| DL1 (Challis) | Streptococcus gordonii blood isolate | (Kilian et al., 1989) |
| UB1545 | DL1, hsa::aphA3; Kanr | (Jakubovics et al., 2005) |
| SK36 | S. sanguinis human oral plaque isolate | (Plummer et al., 2005) |
| VT1614 | SK36, srpA::aphA3; Kanr | (Plummer et al., 2005) |
| TIGR4 | S. pneumoniae serotype 4 clinical isolate | (Tettelin et al., 2001) |
| STM199 | Signature-tagged mutagenesis of psrP gene done in TIGR4; Cmr | (Hava & Camilli, 2002) |
| HR1001.1 | Capsule-free TIGR4 | This study |
| HR1001.1ΔpsrP | Capsule-free and ΔpsrP | This study |
a
Kanr, Kanamycin resistant; Cmr, Chloramphenicol resistant.