Research Article

Mucosa-Associated Escherichia coli in Colorectal Cancer Patients and Control Subjects: Variations in the Prevalence and Attributing Features

Table 3

Distribution of cyclomodulin-positive E. coli according to phylogenetic groups.

Percentage (number) of E. coli strains from CRC patients in diverse phylogenetic groups
A (n = 9)B1 (n = 5)B2 (n = 24)D (n = 27)E (n = 0)F (n = 0)All (n = 65)

cif22.2 (2)20 (1)8.3 (2)22.2 (6)0 (0)0 (0)16.9 (11)
cnf10 (0)0 (0)16.7 (4)14.8 (4)0 (0)0 (0)12.3 (8)
pks0 (0)0 (0)25 (6)0 (0)0 (0)0 (0)9.2 (6)
cdt0 (0)0 (0)0 (0)0 (0)0 (0)0 (0)0 (0)
Cyclomodulin-encoding genes22.2 (2)20 (1)50 (12)37 (10)0 (0)0 (0)30.7 (20)

Percentage (number) of E. coli strains from the control group in diverse phylogenetic groups
A (n = 16)B1 (n = 8)B2 (n = 5)D (n = 7)E (n = 4)F (n = 2)All (n = 42)

cif6.2 (1)0 (0)0 (0)14.3 (1)0 (0)0 (0)4.7 (2)
cnf0 (0)0 (0)0 (0)0 (0)0 (0)0 (0)0 (0)
pks0 (0)0 (0)0 (0)0 (0)0 (0)0 (0)0 (0)
cdt0 (0)0 (0)0 (0)0 (0)0 (0)0 (0)0 (0)
Cyclomodulin-encoding genes6.2 (1)0 (0)0 (0)14.3 (1)0 (0)0 (0)4.7 (2)

Some E. coli isolates carried more than one cyclomodulin-encoding genes.