TABLE 1.

Identification of the 23 isolates of S. enterica serovar Typhimurium included in this study

OriginaZoneaIsolate no.Date of isolation (day-mo-yr)bSourcePhage typeXbal typePlasmid profileAntibiotic resistancec
ArousaVIIUCM-9710-July-00Mussels104X08P05A, C, Ce, F, Na, S, Su, T
PontevedraIIIUCM-22917-Sep-02Mussels104X08P06A, Ce, F, Ne, S, Su, T
ArousaVIIIUCM-1016-Feb-98Oysters135X09P07Susceptible
ArousaVIIUCM-7715-Dec-99Mussels135X09P07Susceptible
ArousaVIIUCM-7531-Jan-00Mussels135X09P07Susceptible
VigoIVUCM-7431-Jan-00Mussels135X09P07Susceptible
ArousaIIUCM-7814-Feb-00Mussels135X09P07Susceptible
ArousaIXUCM-7914-Feb-00Mussels135X09P07Susceptible
ArousaIXUCM-8014-Feb-00Mussels135X09P07Susceptible
ArousaVIIIUCM-7324-Jan-00Oysters193X07P03A, C, Ce, S, Su, T
PontevedraVUCM-9421-Aug-00Clams41X02P06Susceptible
PontevedraIIUCM-9511-Sep-00Mussels41X01P06F
ArousaVIUCM-13120-Aug-01Mussels41X01P06Sf
ArousaVIIIUCM-1333-Sep-01Oysters41X01P06Ne
PontevedraIIUCM-1471-Oct-01Mussels41X01P06Susceptible
ArousaIXUCM-1824-Mar-02Mussels41X01P06Susceptible
ArousaVIIIUCM-22816-Sep-02Oysters41X01P06Susceptible
PontevedraIIUCM-23423-Sep-02Oysters41X01P06G
ArousaVIIUCM-14319-Sep-01Mussels99X06P04Susceptible
ArousaVIIUCM-14624-Sep-01Oysters99X06P04Susceptible
VigoVUCM-19614-May-02Mussels99X05P02Susceptible
PontevedraIIUCM-9611-Sep-00MusselsUNTYdX03P08Susceptible
ArousaVIIUCM-10028-Sep-00MusselsUNTYX04P01Susceptible
  • 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.