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Table 1 Primers used for amplification of the test genes and their sequences

From: Prevalence and pathologic effects of colibactin and cytotoxic necrotizing factor-1 (Cnf 1) in Escherichia coli: experimental and bioinformatics analyses

Test gene

Primers used and their sequences

Expected PCR product size (bp)

Refs.

Cytotoxic necrotizing factor-1

cnf-1 forward

5′-GGGGGAAGTACAGAAGAATTA-3′

1112

[2]

cnf-1 reverse

5′-TTGCCGTCCACTCTCACCAGT-3′

Colibactin A (phosphopantetheinyl transferase)

clbA forward

5′-CTAGATTATCCGTGGCGATTC-3′

1002

clbA reverse

5′-CAGATACACAGATACCATTCA -3′

Colibactin Q (thioesterase enzyme)

clbQ forward

5′-CTTGTATAGTTACACAACTATTTC-3′

821

clbQ reverse

5′-TTATCCTGTTAGCTTTCGTTC-3′