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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
Antimicrobial resistance of Listeria monocytogenes isolated from dairy-based food products
Science of the Total Environment, Volume 407, No. 13, Year 2009
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Description
In this study Listeria monocytogenes (L. monocytogenes) was isolated from three traditionally consumed Lebanese dairy-based food products. One hundred and sixty four samples (45 samples of Baladi cheese, 36 samples of Shankleesh and 83 of Kishk) were collected from the Bekaa Valley in the Northeast region of Lebanon. Suspected Listeria colonies were selected and initially identified by using standard biochemical tests. Initial identification of the positive L. monocytogenes colonies was confirmed at the molecular level by Polymerase Chain Reaction (n = 30) and the confirmed isolates were evaluated for their susceptibility to 10 commonly used antimicrobials. All of the 30 isolates were confirmed to be L. monocytogenes yielding a PCR product of ∼ 660 base pairs (bp). L. monocytogenes was detected in 26.67%, 13.89% and 7.23% of the Baladi cheese, Shankleesh and Kishk samples, respectively. The highest resistance in L. monocytogenes isolates was noted against oxacillin (93.33%) followed by penicillin (90%). The results provide an indication of the contamination levels of dairy-based foods in Lebanon and highlight the emergence of multi-drug resistant Listeria in the environment. © 2009 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Harakeh, Steve Mustapha
Lebanon, Beirut
American University of Beirut
Saleh, Iman A.
United Arab Emirates, Dubai
Dubai Diabetes Center
Zouhairi, Omar
Lebanon, Beirut
American University of Beirut
Baydoun, Elias Abdel Hasan
Lebanon, Beirut
American University of Beirut
Barbour, Elie K.
Lebanon, Beirut
American University of Beirut
Alwan, Nisreen H.
Germany, Frankfurt am Main
Senckenberg Forschungsinstitut Und Naturmuseum
Statistics
Citations: 111
Authors: 6
Affiliations: 3
Identifiers
Doi:
10.1016/j.scitotenv.2009.04.010
ISSN:
00489697
Research Areas
Food Security