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Table 5 Discrimination of STEC O157 strains within XbaI-PFGE clusters by phage type, stx genotype and BlnI-PFGE.

From: Characterisation of Shiga toxin-producing Escherichia coliO157 strains isolated from humans in Argentina, Australia and New Zealand

Cluster/No. of XbaI-PFGE

No. of strains

Phage type

stx genotype

BlnI-PFGE pattern

I (AREXHX01-0013)

1

14

stx2 and stx2c (vh-a)

AREXHA26-0013

 

1

49

stx2 and stx2c (vh-a)

AREXHA26-0015

 

1

UT

stx2 and stx2c (vh-a)

AREXHA26-0024

II (AUEXHX01-0014)

3

54

stx2 and stx2c (vh-a)

AUEXHA26-0002

III (AREXHX01-0014)

1

49

stx2 and stx2c (vh-a)

AREXHA26-0018

 

1

49

stx2 and stx2c (vh-a)

AREXHA26-0015

IV (AREXHX01-0022)

3

49

stx2 and stx2c (vh-a)

AREXHA26-0015

 

1

4

stx2 and stx2c (vh-a)

AREXHA26-0015

 

1

49

stx 2

AREXHA26-0019

V (NZEXHX01-0010)

1

2

stx 2

NZEXHA26-0003

 

1

2

stx 2

NZEXHA26-0007

VI (AREXHX01-0011)

2

4

stx2 and stx2c (vh-a)

AREXHA26-0008

 

1

4

stx2 and stx2c (vh-a)

AREXHA26-0031

 

1

26

stx2 and stx2c (vh-a)

AREXHA26-0011

 

1

4

stx2 and stx2c (vh-a)

AREXHA26-0023

 

1

4

stx2 and stx2c (vh-a)

AREXHA26-0022

 

1

4

stx2 and stx2c (vh-a)

AREXHA26-0009

 

1

4

stx 2

AREXHA26-0025

VII (NZEXHX01-0006)

1

2

stx 2

NZEXHA26-0005

 

1

2

stx 2

NZEXHA26-0004

VIII (NZEXHX01-0005)

2

2

stx 2

NZEXHA26-0001

 

1

2

stx 2

NZEXHA26-0002

 

1

2

stx 2

NZEXHA26-0006

IX (NZEXHX01-0003)

1

2

stx 2

NZEXHA26-0001

 

1

2

stx 2

NZEXHA26-0002

 

1

2

stx 2

NZEXHA26-0003

X (AUEXHX01-0013)

5

14

stx1 and stx2

AUEXHA26-0001