TABLE 2.
Virulence genes in E. coli O157:H7 isolates from gallbladders of beef cattle
| Sample type | Presence (+) or absence (−) of gene
|
||||
|---|---|---|---|---|---|
| eaeA | stx2 | stx1 | hlyA | fliC | |
| Gallbladder mucosal tissue (n = 4) | + | + | − | + | + |
| Gallbladder mucosal swab (n = 1) | + | + | + | + | + |
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