TABLE 1.

Properties of the strains studied

Strain (no. of isolates)Country of originAbsence or presence of the followinga:
blaCTX-M-2blaCTX-M-3blaCTX-M-9blaCTX-M-14blaCTX-M-15blaCTX-M-28armAIncL/M
C. freundii
    2Bulgaria+++
    1Poland+++
E. coli
    1France+
    1France+++
    1Bulgaria+++
    1France+
    2France+
    8Bulgaria+
    1India+
    4France+
K. pneumoniae
    2Bulgaria+++
    2France+++
    1Turkey+
K. oxytoca (1)Bulgaria+
E. cloacae (1)France+++
E. aerogenes (1)Bulgaria+
P. mirabilis (1)France+
S. enterica (1)Bulgaria+++
S. flexneri (1)Bulgaria+++
S. marcescens (1)France++
  • a − and +, absence and presence of the gene, respectively.