Table 2.

XbaI-PFGE profile and characteristics of cefotaxime-resistant Enterobacteriaceae strains collected in intestinal flora of ICU-patients.

Ecl, Enterobacter cloacae; Kp, Klebsiella pneumonia; Ec, E. coli; ND, not determined; ESBL, extended-spectrum-beta-lactamase; PFGE, pulsed-field gel electrophoresis; MLST, multi locus sequence typing; ST, sequence type.

^aPatient infected by the same strain recovered in his rectal swab.

^bPatient infected and colonized by two different strains.

^cMLST was performed only for selected strains.

^dVirulence score was calculated as the sum of all virulence genes for which the isolates tested positive.

^ePlasmidic AmpC producing-strain (CMY-2 type) but none ESBL producer.

^fE. coli belonged to phylogroups B2.

^gE. coli belonged to phylogroups B1.

^hE. coli belonged to phylogroups A.