Yayınlanmış 1 Ocak 2009 | Sürüm v1
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RAPID DETECTION OF LISTERIA MONOCYTOGENES IN GROUND TURKEY BY IMMUNOMAGNETIC SEPARATION AND POLYMERASE CHAIN REACTION

  • 1. Ankara Univ, Sch Vet Med, Dept Food Hyg & Technol, TR-06110 Ankara, Turkey

Açıklama

The aim of this study was to determine the prevalence of Listeria monocytogenes in packaged fresh ground turkey in Turkey using immunomagnetic separation (IMS) as a selective enrichment step in method and polymerase chain reaction (PCR). A total of 180 ground turkey samples were collected during a 1-year period. Thirty-two (17.7%) of the samples contained L. monocytogenes, 24 (13.3%) contained Listeria innocua, 7 (3.8%) had Listeria ivanovii and 5 (2.7%) had Listeria seeligeri by means of IMS-based cultivation method. A PCR assay was performed, based on hlyA gene-specific primers. In all L. monocytogenes isolates, hlyA gene was confirmed, indicating that the correlation between IMS-based cultivation and PCR methods was 100%. The results suggest that the prevalence of L. monocytogenes in ground turkey is relatively high in Turkey and that ground turkey should be produced under appropriate hygienic and technological conditions for the prevention of public health hazards.

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