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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