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Table 2 Characteristics of the sat positive strains from the ECOR collection isolated from stools of healthy humansa

From: The secreted autotransporter toxin (Sat) does not act as a virulence factor in the probiotic Escherichia coli strain Nissle 1917

   

Sat amino acid residue at position

Strain

Serotype

Group

352

729

894

CFT073b

O6:K2:H1

B2

D

D

N

IH11128b

O75:K5:H

B2

D

D

N

EcNb

O6:K5:H1

B2

N

N

D

ECOR24

O15:NM

A

N

N

D

ECOR35

O1:NM

D

N

N

D

ECOR36

O79:H25

D

N

N

D

ECOR38

O7:NM

D

N

N

D

ECOR39

O7:NM

D

N

S

D

ECOR41

O7:NM

D

N

S

D

ECOR43

ONT:HNT

E

N

S

D

ECOR49

O2:NM

D

N

N

D

ECOR51

O25:N

B2

N

N

D

ECOR56

O6:H1

B2

D

D

N

  1. a Analyzed strains that did not yield sat amplification in the PCR screening: ECOR strains 1, 2, 4, 5, 6, 8, 9, 10, 12, 13, 15, 26, 28, 42, 53, 54, 56, 59, 61 and 63
  2. b Strains CFT073 (UPEC), IH11128 (Afa/Dr DAEC) and EcN were included for comparison