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Table 1 Main biochemical characteristics of EIEC according to serogroup and phylogroup

From: Uropathogenic Escherichia coli pathogenicity islands and other ExPEC virulence genes may contribute to the genome variability of enteroinvasive E. coli

Serogroup

No. of strains

Phylogroup

Lactose fermentation

Motility

Lysine decarboxylation

Indole production

O28ac

1

B1

+

-

-

-

2

B1

+

-

-

+

O29

5

B1

+

-

-

+

O124

4

A

-

-

-

-

2

A

-

+

-

+

O136

6

A

-

-

-

-

O143

10

E

+

-

-

+

O144

5

A

+

-

-

+

O152

6

A

-

-

-

+

O164

1

B2

+

-

-

+

1

C

+

-

-

+

1

B1

-

-

-

+

1

A

-

-

-

+

O167

5

E

+

-

-

-

1

A

+

-

-

+w

  1. wweak reaction