Research Article
Characterization of Shiga Toxigenic Escherichia coli O157 and Non-O157 Isolates from Ruminant Feces in Malaysia
Table 5
Isolation and virulence profiles of E. coli O157 and “big 6” E. coli non-O157 serogroups lacking stx.
| | Serogroup | Farm | Source | Number of + samples | Number of isolates tested | Virulence factors | Intimin subtype |
| | O103 | A | Cattle feces | 3 | 3 | None | — |
| | O157 | B | Cattle feces | 1 | 2 | eaeA | NTa | | Sheep feces | 2 | 3 | eaeA (1 isolate)
none (2 isolates) | NT | | Buffalo feces | 3 | 5 | eaeA | NT |
| | O26 | B | Buffalo feces | 2 | 5 | eaeA, ehxA (2 isolates) none (3 isolates) | eaeA-β1 |
| | O103 | B | Buffalo feces | 1 | 7 | None | — |
| | O26 | C | Cattle feces | 2 | 11 | None | — |
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NT = non-typable.
—: not applicable.
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