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. 2021 May 7;7(5):000579. doi: 10.1099/mgen.0.000579

Table 3.

Characteristics of B2 and non-B2 pks-positive E. coli strains with atypical features regarding pks integrity, functionality or location

Group

Strain

Origin**

Sample

Year

ST

Serotype

hlyA (haemolysis)

ybt (locus)

pks (locus)

clbJ-clbK

Megal.†

ICL

H2AX†

C14-Asn †,‡

A

SI-NP020

b

Faeces

2014

7010

uncl:H14

− (−)

+ (not tRNA)

wt

+

+

+

+++

B1

JML285

H

Faeces

2015

109

Gp2:H8

− (−)

+ (not tRNA)

wt

+

+

+

+++

HH-NP008

b

Faeces

2014

847

uncl:H2

− (−)

+ (not tRNA)

wt

+

+

nt

nt

KK-NP025

b

Faeces

2014

6488

uncl:H8

− (−)

+ (not tRNA)

wt

nt

+

nt

nt

KS-NP019

b

Faeces

2013

392

O8:H2

+ (+)

+ (not tRNA)

+ (not tRNA)

wt

nt

+

nt

+++

SI-NP013

b

Faeces

2014

278

uncl:H7

− (−)

+ (not tRNA)

wt

+

+

nt

nt

SI-NP017

b

Faeces

2014

278

Gp2:H21

− (−)

+ (not tRNA)

wt

+

+

nt

nt

NS-NP014

b

Faeces

2014

2079

O8 :H19

− (−)

+ (not tRNA)

f

nt

nt

nt

NS-NP030

b

Faeces

2014

392

uncl:H2

+ (+)

+ (not tRNA)

+ (not tRNA)

f

nt

nt

++

B2

JML114

H

Faeces

2015

73

O6:H1

− (−)

+ (asnT)

+ (asnW)

wt

++

JML165

H

Faeces

2015

550

uncl:H5

− (−)

+ (asnT)

+ (asnW)

wt

nt

++

JML201

H

Faeces

2015

95

O1:H1

− (−)

+ (asnT)

+ (asnW)

wt

nt

nt

JML226

H

Faeces

2015

73

Gp7:H12

+ (+)

+ (asnT)

+ (asnV)

wt

nt

+

nt

nt

KS-P003

b

Faeces

2013

95

Gp7:H5

+ (+)

+ (asnT)

+ (asnU)

wt

nt

+

nt

nt

KS-P027

b

Faeces

2013

95

Gp7:H5

+ (+)

+ (asnT)

+ (asnU)

wt

nt

+

nt

nt

JML008

H

Faeces

2015

95

Gp7:H4

− (−)

+ (asnT)

+ (asnW)

f

nt

nt

JML102

H

Faeces

2015

73

O6:H1

− (−)

+ (asnT)

+ (asnW)

f

nt

nt

JML282

H

Faeces

2015

95

Gp7:H7

− (−)

+ (asnT)

+ (asnW)

f

nt

nt

JML288

H

Faeces

2015

95

O1:H7

− (−)

+ (asnT)

+ (asnW)

f

nt

nt

JML291

H

Faeces

2015

95

O1:H12

− (−)

+ (asnT)

+ (asnW)

f

nt

nt

JML296

H

faeces

2015

73

uncl:H1

− (−)

+ (asnT)

+ (asnW)

f

++

SI-NP032

b

Faeces

2014

73

O25:H5

+ (+)

+ (asnT)

+ (asnW)

f

nt

nt

++

ECSC09

H

Blood

2006

95

Gp7:H7

− (−)

+ (asnT)

+ (asnW)

f

nt

nt

UPEC57

H

Urine

2011

95

Gp7:H7

− (−)

+ (asnT)

+ (asnW)

f

nt

UPEC91

H

Urine

2011

95

O1:H7

− (−)

+ (asnT)

+ (asnW)

f

nt

nt

nt

CM1

H

Urine

2006

95

O1:H1

− (−)

+ (asnT)

+ (asnW)

wt

nt

UPEC129

H

Urine

2011

uncl

Gp7:H7

− (−)

+ (asnT)

+ (asnW)

wt

D

ECSC054

H

Blood

2004

38

O4:H30

− (−)

+ (asnT)

+ (asnW)

wt

+

∗wt, full-length clbJ and clbK genes; f, clbJK fusion gene.

†Megal., megalocytosis; nt, not tested.

‡−, no C14-Asn detected; +, ca. 50−400 pg C14-Asn/108 c.f.u.; ++, ca. 400−600 pg C14-Asn/108 C.F.U.; +++, ca.650−1200 pg C14-Asn/108 c.f.u.

** b, bovine; H, human.