Volume 8, Number 4—April 2002
Research
Salmonella enterica serotype Typhimurium DT104 Isolated from Humans, United States, 1985, 1990, and 1996
Table
Molecular characterization of multidrug-resistant Salmonella Typhimurium DT104 isolates, 1985–1996
| Isolate number | Year | R-type | PFGE pattern | Plasmid content | Amplicons | Gene cassette(s) | flo-like genea |
|---|---|---|---|---|---|---|---|
| B1579 | 1985 | ACSSuT | 1 | 60 mDa | 1 kb; 1.2 kb | ant(3")-Ia; psE1 | + |
| C3591 | 1990 | ACSSuT | 1 | 60 mDa | 1 kb; 1.2 kb | ant(3")-Ia; psE1 | + |
| C4501 | 1990 | ACSSuT | 1 | 60 mDa ~5 mDa | 1 kb; 1.2 kb | ant(3")-Ia; psE1 | + |
| C5234 | 1990 | ACSSuT | 1b | 60 mDa | 1 kb; 1.2 kb | ant(3")-Ia; psE1 | + |
| G10217 | 1996 | ACSSuT | 1 | 60 mDa 3 mDa | 1 kb; 1.2 kb | ant(3")-Ia; psE1 | + |
| G10518 | 1996 | ACSSuT | 1 | 60 mDa | 1 kb; 1.2 kb | ant(3")-Ia; psE1 | + |
| G10551 | 1996 | ACSSuT | 1 | 60 mDa | 1 kb; 1.2 kb | ant(3")-Ia; psE1 | + |
aAll integrons are located on the chromosome.
A = ampicillin; C = chloramphenicol; S = streptomycin; Su = sulfamethoxazole; T = tetracycline; PFGE = pulsed-field gel electrophoresis.
