TABLE 1.

E. coli strains belonging to ribotype B21 or to other ribotypes used for MLST and DNA pathoarray analyses

Ribotype and strain categoryaSourcebCountryPhylogenetic groupSerotypeRibotype/sequence typec
Ribotype B21
    S14NMFinlandB2O18:K1B21/ST29
    C5NMUnited StatesB2O18:K1B21/ST29
    S26NMUnited StatesB2O18:K1B21/ST29
    S67NMFranceB2O18:K1B21/ST29
    S69NMFranceB2O18:K1B21/ST29
    RS218NMUnited StatesB2O18:K1B21/ST29
    S111NMUnited StatesB2O18:K1B21/ST29
    S126NMFranceB2O18:K1B21/ST29
    S32NMFranceB2O45:K1B21/ST29
    S50NMFranceB2O45:K1B21/ST29
    S53NMFranceB2O45:K1B21/ST29
    S72NMFranceB2O45:K1B21/ST29
    S88NMFranceB2O45:K1B21/ST29
    S132NMFranceB2O45:K1B21/ST29
    S174NMFranceB2O45:K1B21/ST29
    S136NMFranceB2O1:K1B21/ST29
    S158NMFranceB2O1:K1B21/ST29
    ECOR62ECOR, PB2O2:K1B21/ST29
    HN7PFranceB2O2:K1B21/ST29
    HN30PFranceB2O2:K1B21/ST29
    HN50PFranceB2O2:K1B21/ST29
    NNC28NCFranceB2O2:K1B21/ST29
    NNC59NCFranceB2O2:K1B21/ST29
Ribotype non-B21
    S114NMUnited StatesAO12:K1A01/ST171
    S122NMUnited StatesAO12:K1A01/ST171
    S82NMFranceAONT:K1A01/ST171
    K-12 (MG1655)United StatesAO16:KA01/ST171
    ECOR4ECORAONTA01/ST167
    ECOR15ECORAO25A01/STND
    CFT073PUnited StatesB2O6:K2B26/ST27
    S107NMUnited StatesB2O16:K1B27/ST304
    S108NMUnited StatesB2O16:K1B28/ST304
    ECOR56ECORB2O6B26/STND
    ECOR59ECORB2O4B2J96/STND
    ECOR35ECORDO1D10/STND
    ECOR41ECORDO7D04/STND
    S16NMUnited StatesDO7:K1D04/ST301
    S39NMFranceDO7:K1D04/ST301
    S18NMUnited StatesDO7:K1D08/ST301
  • a From ST7 of EcMLST. Origin and ribotype as previously described (2, 5, 6, 7, 9, 24, 31).

  • b NM, neonatal meningitis; P, pyelonephritis; NC, neonatal colonization; ECOR, E. coli reference collection.

  • c STND, ST not determined.