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Table 1 List of E. coli strains (EC1-EC10) used in the experiment. Species identification was conducted with the API 20E system. PCR was used to confirm the presence of genes encoding catalases (katG and katE), a ferrous transporter (feoB), and receptor proteins for siderophores (fepA, fhuA, fecA, iroN, fyuA, and iutA)

From: The dual role of Escherichia coli in the course of ulcerative colitis

E. coli strain number

Gene presence

katE

katG

feoB

fepA

fhuA

fecA

iroN

fyuA

iutA

EC1

1+

1+

1+

1+

1+

1+

1+

1+

1+

EC2

1+

1+

1+

1+

1+

1-

1+

1+

1+

EC3

1+

1+

1+

1+

1+

1-

1-

1-

1-

EC4

1+

1+

1+

1+

1+

1-

1-

1-

1-

EC5

1+

1+

1+

1+

1+

1-

1-

1-

1-

EC6

1+

1+

1+

1+

1+

1+

1+

1+

1-

EC7

1+

1+

1+

1+

1+

1+

1+

1+

1+

EC8

1+

1+

1+

1+

1+

1+

1-

1+

1+

EC9

1+

1+

1+

1+

1-

1-

1-

1-

1-

EC10

1+

1+

1+

1+

1+

1-

1-

1-

1-

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BMC Gastroenterology

ISSN: 1471-230X

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