TABLE 3.
Summary analysis of colony blot hybridization results
| Probe | No. (%) positive
|
||||
|---|---|---|---|---|---|
| Multidrug-resistant DT104a | Antibiotic-sensitive DT104b | Multidrug-resistant S. typhimurium not DT104c | ChlrSalmonella not typhimurium | ChlsS. typhimurium | |
| floSt | 44 (100) | 0 (0) | 16 (89) | 2 (12) | 0 (0) |
| int | 44 (100) | 0 (0) | 18 (100) | 14 (82) | 18 (72) |
| invA | 43 (98) | 4 (80) | 18 (100) | 17 (100) | 25 (100) |
| spvC | 44 (100) | 4 (80) | 11 (61) | 3 (18) | 22 (88) |
| Total | 44 | 5 | 18 | 17 | 25 |
a
S. typhimurium DT104 isolates with R type ACSSuT, except seven isolates with R type ACSuT.
b
S. typhimurium DT104 isolates with no known antibiotic resistance.
c
S. typhimurium isolates with R type ACSSuT or ACSuT phage typed as other than DT104.