TABLE 1.
Identification of the 23 isolates of S. enterica serovar Typhimurium included in this study
| Origina | Zonea | Isolate no. | Date of isolation (day-mo-yr)b | Source | Phage type | Xbal type | Plasmid profile | Antibiotic resistancec |
|---|---|---|---|---|---|---|---|---|
| Arousa | VII | UCM-97 | 10-July-00 | Mussels | 104 | X08 | P05 | A, C, Ce, F, Na, S, Su, T |
| Pontevedra | III | UCM-229 | 17-Sep-02 | Mussels | 104 | X08 | P06 | A, Ce, F, Ne, S, Su, T |
| Arousa | VIII | UCM-10 | 16-Feb-98 | Oysters | 135 | X09 | P07 | Susceptible |
| Arousa | VII | UCM-77 | 15-Dec-99 | Mussels | 135 | X09 | P07 | Susceptible |
| Arousa | VII | UCM-75 | 31-Jan-00 | Mussels | 135 | X09 | P07 | Susceptible |
| Vigo | IV | UCM-74 | 31-Jan-00 | Mussels | 135 | X09 | P07 | Susceptible |
| Arousa | II | UCM-78 | 14-Feb-00 | Mussels | 135 | X09 | P07 | Susceptible |
| Arousa | IX | UCM-79 | 14-Feb-00 | Mussels | 135 | X09 | P07 | Susceptible |
| Arousa | IX | UCM-80 | 14-Feb-00 | Mussels | 135 | X09 | P07 | Susceptible |
| Arousa | VIII | UCM-73 | 24-Jan-00 | Oysters | 193 | X07 | P03 | A, C, Ce, S, Su, T |
| Pontevedra | V | UCM-94 | 21-Aug-00 | Clams | 41 | X02 | P06 | Susceptible |
| Pontevedra | II | UCM-95 | 11-Sep-00 | Mussels | 41 | X01 | P06 | F |
| Arousa | VI | UCM-131 | 20-Aug-01 | Mussels | 41 | X01 | P06 | Sf |
| Arousa | VIII | UCM-133 | 3-Sep-01 | Oysters | 41 | X01 | P06 | Ne |
| Pontevedra | II | UCM-147 | 1-Oct-01 | Mussels | 41 | X01 | P06 | Susceptible |
| Arousa | IX | UCM-182 | 4-Mar-02 | Mussels | 41 | X01 | P06 | Susceptible |
| Arousa | VIII | UCM-228 | 16-Sep-02 | Oysters | 41 | X01 | P06 | Susceptible |
| Pontevedra | II | UCM-234 | 23-Sep-02 | Oysters | 41 | X01 | P06 | G |
| Arousa | VII | UCM-143 | 19-Sep-01 | Mussels | 99 | X06 | P04 | Susceptible |
| Arousa | VII | UCM-146 | 24-Sep-01 | Oysters | 99 | X06 | P04 | Susceptible |
| Vigo | V | UCM-196 | 14-May-02 | Mussels | 99 | X05 | P02 | Susceptible |
| Pontevedra | II | UCM-96 | 11-Sep-00 | Mussels | UNTYd | X03 | P08 | Susceptible |
| Arousa | VII | UCM-100 | 28-Sep-00 | Mussels | UNTY | X04 | P01 | Susceptible |
a
Rias of Galicia and molluscan harvesting zones.
b
Jan, January; Feb, February; Mar, March; Aug, August; Sep, September; Oct, October; Dec, December.
c
Antibiotics: A, ampicillin; Ak, amikacin; Ap, apramycin; Ax, amoxicillin-clavulanic acid; C, chloranphenicol; Ce, cefoperazone; Cf, ceftazidime; Ct, colistin; F, furazolidone; G, gentamicin; Na, nalidixic acid; Ne, neomycin; S, streptomycin; Sf, sulfamethoxazole-trimethoprim; Su, compound sulfonamides; T, tetracycline.
d
UNTY, untypeable.