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Table 2 Sequences of the astA gene found in EPEC strains isolated from diarrheic and non-diarrheic children

From: Detection and genetic analysis of the enteroaggregative Escherichia coli heat-stable enterotoxin (EAST1) gene in clinical isolates of enteropathogenic Escherichia coli(EPEC) strains

astAgene sequence type

N (%) of strains from:

Serogroup ( n)

 

Diarrheic children

Non-diarrheic children

 

042-type EAST1

24 (14.3)

1 (1.8)a

O9 (1), O33 (2), O108 (2), O111 (1), O119 (8), O142 (1), O152 (1), O157 (1), O169 (1), OND (7)

EAST1v5

6 (3.6)

1 (1.8)

O26 (1), O9 (1), O96 (1) O111 (1), O141 (1), ONT (2)

type 1 SHEAST

6 (3.6)

1 (1.8)

O26 (1), O55 (1), O103 (1), O153 (1), OND (3)

type 2 SHEAST

2 (1.2)

0

O26 (1), O55 (1)

mutant

7

6

O26 (3), O55 (1), O111 (5), O119 (1), O127 (2), ONT (1)

Total

45

9

 
  1. ap = 0.03; Fisher’s exact test (diarrheic x non-diarrheic).