TABLE 2.
Strains used in this study
| Strain | Species | Origin | Site of isolation | Optochinb | Presence of ply-related sequencec |
|---|---|---|---|---|---|
| TIGR4 | S. pneumoniae | S | + | ||
| R75I | S. mitis | United Kingdom | NPAa | R | + |
| R75II | S. mitis | United Kingdom | NPA | R | + |
| R76 | S. mitis | United Kingdom | NPA | R | + |
| R77 | S. mitis | United Kingdom | NPA | R | + |
| 990123 | S. mitis | United Kingdom | Dental abscess | R | + |
| QH17 | S. mitis | United Kingdom | Blood culture | R | + |
| COL15 | S. mitis | United Kingdom | Sputum, chest infection | S | + |
| NCTC 10712 | S. mitis | R | − | ||
| NCTC 12261 | S. mitis | R | − |
a
NPA, nasopharyngeal aspirate.
b
S, sensitive; R, resistant.
c
Presence of ply gene determined by PCR.