Table 1.
Description of strains used in this study.
| Strain | Sequence type | Serotype | Transformation contribution | Antibiotic susceptibility | Capsule locus genes | References |
|---|---|---|---|---|---|---|
| WU2 | 378 | 3 | Donor (in vivo) | ErmS TmpS | cpsA+ | 46 |
| LEK06 | 43 | 19F | Donor (in vitro) | StrR | cpsA+ | This study |
| MNZ67 | 1464 | NESp | Recipient | ErmR |
cpsA− pspK+ |
9 |
| 67S1 | 1464 | 3 | MNZ67 Transformant | ErmR |
cpsA+ pspK− |
This study |
| MNZ41 | 6153 | NESp | Recipient | TmpR |
cpsA− aliC+ aliD+ |
9 |
| 41S3 | 6153 | 3 | MNZ41 Transformant | TmpR |
cpsA+ aliC− aliD− |
This study |
Capsule genes were determined by polymerase chain reaction (PCR) analysis and verified by whole genome sequencing.
NESp, nonencapsulated Streptococcus pneumoniae; Str, streptomycin; Erm, erythromycin; TMP, trimethoprim; S, sensitive; R, resistant.