Diagnostic Performance of rep-PCR as a Rapid Subtyping Method for Listeria monocytogenes
نویسندگان
چکیده
منابع مشابه
Presenting a rapid method for detection of Bacillus cereus, Listeria monocytogenes and Campylobacter jejuni in food samples
Objective(s): Listeria monocytogens, Bacillus cereus and Campylobacter jejuni are three toxin producing bacteria over the world, especially in Iran, and it is essential to find a certain, rapid procedure to identify these microorganisms. In this research, these bacteria were simultaneously detected by multiplex PCR technique in foods. Materials and Methods: The primary approval of bacterial str...
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Listeria monocytogenes is a species of foodborne pathogen often related to foods, such as poultry, ready-to-eat products, fruits, and vegetables. The culture method is a standard procedure for the detection of bacteria in food products. The real-time quantitative PCR (qPCR) technique can be used for the quantification of foodborne pathogens. The current research was aimed to assess...
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Sixty-one Listeria monocytogenes strains from raw milk were analyzed with an automated repetitive element-based PCR (rep-PCR) system to examine the utility of this system for serotype grouping and to determine whether specific regional relationships could be identified. Results of the similarity analysis revealed two primary clusters of L. monocytogenes isolates. Cluster 2 exclusively contained...
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Serotyping is a universally accepted subtyping method for Listeria monocytogenes. Identification of the strain serotype permits differentiation between important food-borne strains (1/2a, 1/2b, and 4b) and provides a "gold standard" for comparing isolates analyzed in different labs and with different techniques. Although an efficient enzyme-linked immunosorbent assay serotyping protocol was des...
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The present study was carried out to know the lowest detection limit of Listeria monocytogenes by PCR. The quantification of organisms was done by CFU counting from ten fold serial dilution and PCR amplification of inlA gene fragment was performed from each dilution. The PCR could detect as low as 20 organisms indicating the lowest PCR detection limit. Thus, lowest number of L. monocytogenes de...
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ژورنال
عنوان ژورنال: Food Analytical Methods
سال: 2012
ISSN: 1936-9751,1936-976X
DOI: 10.1007/s12161-012-9496-1