Table 4.
Curli variants in E. coli O157:H7 isolates used in this study
| Strain | Source | % curli variants ± SDa |
|---|---|---|
| RM6101 | Pig feces | 0.06 ± 0.06 |
| RM6102 | Water | 0.00 ± 0.00 |
| RM6103 | Cow feces | 0.06 ± 0.05 |
| RM6149 | Soil | 0.09 ± 0.07 |
| RM6067 | Spinach | 0.09 ± 0.10 |
| RM9992 | Spinach | 44.85 ± 5.30 |
| RM9997 | Spinach | 61.90 ± 9.87 |
| RM9998 | Spinach | 47.28 ± 8.53 |
| RM10002 | Spinach | 51.70 ± 10.85 |
| RM6069 | Clinical | 78.90 ± 2.35 |
| RM6655 | Clinical | 75.30 ± 5.58 |
| RM6658 | Clinical | 87.73 ± 8.11 |
a
Percentage of red/brown (curli-producing) colonies over the total number of E. coli O157:H7 colonies examined on CR medium.