TABLE 5.
Detection of STEC in naturally contaminated meat samples by the AmpliSensor PCR assay and the culture method: samples positive for STEC by the PCR assay or the culture method
Sample origin or taxon | Sample or strain | Detection indexa | STEC isolated |
---|---|---|---|
Boneless beef | 344 | −0.02 | Yes |
449 | 0.67 | No | |
470 | 0.67 | No | |
476 | 0.58 | Yes | |
543 | 0.5 | Yes | |
599 | 0.68 | Yes | |
1024 | 0.71 | No | |
1029 | 0.49 | Yes | |
Boneless pork | 311 | 0.41 | No |
409 | 0.7 | Yes | |
685 | 0.67 | Yes | |
756 | 0.64 | No | |
911 | 0.56 | No | |
918 | 0.68 | No | |
Ground beef | 82 | 0.77 | Yes |
132 | 0.61 | Yes | |
373 | 0.49 | Yes | |
548 | 0.66 | Yes | |
842 HAL | 0.63 | Yes | |
850 HAL | 0.69 | Yes | |
Ground pork | 194 | 0.52 | Yes |
244 | 0.62 | Yes | |
Kielbasa | 280 | 0.68 | Yes |
Pepperoni | 428 | 0.65 | Yes |
Tyrolee salami | 879 | 0.7 | Yes |
STEC | 933W | 0.7 | Yes |
E. coli | ATCC 25922 | 0 | No |
Detection index values were determined at the end of 25 cycles of seminested amplification.