Abstract
Bacillus cereus isolated from different food sources. The diarrheal toxin genes such as cytK, hemolytic enterotoxin (hblA, hblC and hblD), non-hemolytic enterotoxin (nheA, nheB and nheC), bceT and entFM in addition to emetic toxin gene were detected by PCR. The cyt K gene was observed in 94.87 % of the isolates. entFM and emetic toxin gene were found very rare in all food samples at the percentage 2.56% and 7.69% respectively. Uncooked rice which has a highest number of bacterial isolation, also showed relatively high percentage of the cytK and bceT genes (90%). These two genes present in 100% of Bacillus cereus isolates in most food samples. Bacteria isolated from burger meat contain all investigated genes.
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