Skip to main content

Table 1 Characterization of the seven fecal strains of E. coli ST131

From: The ST131 Escherichia coli H22 subclone from human intestinal microbiota: Comparison of genomic and phenotypic traits with those of the globally successful H30 subclone

Strain/ FimH type Susceptibility β-lactamase Allele typea(amino acid substitution) Flag-2 Phi3 GI-PheV Subclade IncF plasmid replicon
AMX AMC CIP GEN AMK SXT FOS   gyrA parC parE      
S250/H22 S S S S S S S 1a 1 NA (I529L) B1 F89:A-:B62
208/H22 S S S S S S S 1a 1 NA (I529L) + B2
196/H22 R S S S S R S TEM-1 1a 1 NA (I529L) + + B4 F24:A-:B6
187/H30 R S R S S S S TEM-1 1AB (S83 L/D87N) 1aAB (S80I/E84V) NA (I529L) + + + C1 F1:A2:B20
183/H30 R S R S S S S TEM-1 1AB (S83 L/D87N) 1aAB (S80I/E84V) NA (I529L) + + + C1 F1:A2:B20
39/H30 R S R S S S S TEM-1 1AB (S83 L/D87N) 1aAB (S80I/E84V) NA (I529L) + + + C1 F1:A2:B20
02/H30 R S R S S S S TEM-1 1AB (S83 L/D87N) 1aAB (S80I/E84V) NA (I529L) + + + C1 F1:A2:B20
  1. aaccording to reference [3], AMX amoxicillin, AMC amoxicillin + clavulanic acid, CIP ciprofloxacin, GEN gentamicin, AMK amikacin, SXT cotrimoxazole, FOS fosfomycin, R resistant, S susceptible, −: absence, +: presence, NA not available