Table 2. Antimicrobial Activity of Ply26F and Ply39O against Clostridium perfringens Isolates Expressed as the Minimum Bacteriacidal Concentration (MBC).
C. perfringensb | genotype | MBCa | |
---|---|---|---|
| |||
Ply26F | Ply39O | ||
Cp26 | α, β2 | 16.67–33.33 (22.22 ± 5.56) | 16.67–33.33 (22.22 ± 5.56) |
Cp39 | α, β2 | 16.67–33.33 (22.22 ± 5.56) | 16.67–33.33 (22.22 ± 5.56) |
Cp509 | α, β2, netB | 33.33–66.67 (50.00 ± 16.67) | 33.33–66.67 (50.00 ± 16.67) |
Cp1048 | α, β2 | 33.33–66.67 (55.56 ± 11.11) | 33.33–66.67 (55.56 ± 11.11) |
Cp1113 | α, β2, netB | 33.33–66.67 (55.56 ± 11.11) | 33.33–66.67 (55.56 ± 11.11) |
CpA12916 | α, enterotoxin | 190 (190)c | 190 (190)c |
Cp3626 | enterotoxin | 190 (190)c | 95 (95)c |
The MBC in μg/mL is defined as lowest concentration to result in 99.9% killing. All assays were performed in triplicate using independent preparations of the antimicrobial, and results are expressed as a range with the mean (the standard error in parentheses.
Bacterial isolates are as reported under Materials and Methods.
This value is omitted for samples in which the results were the same for all three reps.