TABLE 3.
Binding of E. coli O157:H7 strain 86-24 and its mutants to alfalfa sprouts and seed coats
| Bacterial strain | Mutation or genotype | Mean log10 no. (± SD) of bacteria recovered per sprout or seed coat
|
|
|---|---|---|---|
| Sprouts | Seed coats | ||
| 86-24 | Wild type | 4.7 ± 0.6 | 5.6 ± 0.2 |
| AGT103 | cah1 cah2 | 3.8 ± 0.8 | 5.4 ± 0.5 |
| AGT601 | ompA | 3.2 ± 0.5 | 3.9 ± 1.5 |
| AGT602 | ompA tdcA | 0a | 0a |
| 86-24A | csgA | 4.1 ± 0.2 | 5.7 ± 0.2 |
| P9C8B1 | csgD | 5.8 ± 0.7 | 5.3 ± 0.5 |
| P10C9E1 | yidE | 5.4 ± 0.4 | 5.4 ± 0.1 |
| P9C8F2 | tdcA | 5.9 ± 0.1 | 5.9 ± 0.5 |
| P6C6E25 | waaI | 5.7 ± 0.1 | 5.4 ± 0.5 |
| P9C12D4 | cadA | 6.0 ± 0.3 | 6.1 ± 0.3 |
| P9C8F1 | lpfD2 | 6.2 ± 0.2 | 6.4 ± 0.4 |
| AGT103A | cah1 cah2 csgA | 4.7 ± 0.6 | 6.0 ± 0.2 |
a
No bacteria were recovered.