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MAHMOUD, M. (1996). IDENTIFICATION OF LISTERIA MONOCYTOGENES SEROVAR IN BEEF HOT DOGS. Egyptian Journal of Agricultural Research, 74(1), 161-171. doi: 10.21608/ejar.1996.427340
MAHMOUD Z. MAHMOUD. "IDENTIFICATION OF LISTERIA MONOCYTOGENES SEROVAR IN BEEF HOT DOGS". Egyptian Journal of Agricultural Research, 74, 1, 1996, 161-171. doi: 10.21608/ejar.1996.427340
MAHMOUD, M. (1996). 'IDENTIFICATION OF LISTERIA MONOCYTOGENES SEROVAR IN BEEF HOT DOGS', Egyptian Journal of Agricultural Research, 74(1), pp. 161-171. doi: 10.21608/ejar.1996.427340
MAHMOUD, M. IDENTIFICATION OF LISTERIA MONOCYTOGENES SEROVAR IN BEEF HOT DOGS. Egyptian Journal of Agricultural Research, 1996; 74(1): 161-171. doi: 10.21608/ejar.1996.427340

IDENTIFICATION OF LISTERIA MONOCYTOGENES SEROVAR IN BEEF HOT DOGS

Article 16, Volume 74, Issue 1, March 1996, Page 161-171  XML PDF (2.27 MB)
Document Type: Original Article
DOI: 10.21608/ejar.1996.427340
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Author
MAHMOUD Z. MAHMOUD
Meat and Fish Technology Research Department, Food Technology Research institute, Agricultural Research Centre, Giza, Egypt
Abstract
Recent food outbreaks of listeriosis have prompted concenrn about the presence of Listeria monocytogenes in uncooked hot dogs. Therefore 32 samples of hot dogs were collected from different eight shops at Amherst (U.S.A.) through two weeks. Total bacterial counts and Listeria monocytogenes counts were determined in these samples. Thereafter a primary identification for the 24 isolates collected was done to make sure that these isolates belonged to L.monocytogenes. This id­entificantion included serological identification for L.monocytogenes de­teced (22 strains). Analysis for the surface proteins of some of these strains (10 strains) was accomplished by SDS-PAGE. Then the virulence of L.monocytogenes strains was examined. Serological identification and the profiles of tested strains indicat­ed that all the strains belonged to virulent serovar 1/2 b. The virulence test exhibited the same result for all the strains.
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