Table 1. Host range and EOPs of phage pSs-1 against all the bacterial strains used in this study.
| Bacterial species (n) | Strain | Infectivitya | EOPsb |
|---|---|---|---|
| Shigella sonnei (4) | ATCC® c 25931 | ++ | (1.00) |
| ATCC® 29930 | ++ | (0.77 ± 0.07) | |
| ATCC® 11060 | ++ | (0.73 ± 0.08) | |
| ATCC® 9290 | ++ | (0.65 ± 0.05) | |
| Shigella flexneri (3) | ATCC® 29903 | ++ | (0.91 ± 0.05) |
| ATCC® 11836 | ++ | (0.42 ± 0.03) | |
| ATCC® 12022 | + | (0.17 ± 0.07) | |
| Shigella boydii (2) | ATCC® 35966 | − | − |
| ATCC® 8700 | − | − | |
| Escherichia coli (2) | ATCC® 25922 | − | − |
| DH10Bd | − | − |
a++, clear plaque; +, turbid plaque; −, no plaque.
bThe EOP (efficiency of plating) values were shown as the mean of observations at three different occasions.
cpurchased from the American Type Culture Collection.
dpurchased from Invitrogen.