Simultaneous detection of Carnobacterium and Leuconostoc in meat products by multiplex PCR

Journal of Applied Microbiology
M C MaciánRosa Aznar

Abstract

To develop a multiplex PCR approach for simultaneous detection of Leuconostoc and Carnobacterium and its validation in meat products. Two multiplex PCR assays were developed using newly designed 16S rDNA-directed primers adapted to the current taxonomic situation of genera Leuconostoc and Carnobacterium that allow: (i) simultaneous detection of both genera, and members of the nonmotile species of genus Carnobacterium and (ii) identification in a single assay of the nonmotile species C. divergens, C. maltaromicum and C. gallinarum. Sensitivity values of 10(3) and 10(4) CFU g(-1) were determined for multiplex PCR detection of Carnobacterium and Leuconostoc, respectively, following artificially inoculated meat trials. In addition, both multiplex PCR assays were validated in 14 naturally contaminated samples covering nine types of meat products. Results obtained by colony identification were confirmed by PCR detection. The methods described in this study provide a rapid and reliable tool for PCR detection of Carnobacterium and Leuconostoc, in meat products, and for colony identification. This multiplex PCR approach will help in the analysis of the spoilage microbiota of refrigerated vacuum-packaged meat product in order to determin...Continue Reading

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Citations

Aug 5, 2009·International Journal of Food Microbiology·Carmela PennacchiaFrancesco Villani
Jul 11, 2006·Systematic and Applied Microbiology·Empar ChenollRosa Aznar
Jun 11, 2014·Critical Reviews in Food Science and Nutrition·Charalampos VasilopoulosFrédéric Leroy
Jul 13, 2005·FEMS Microbiology Letters·Catherine Cailliez-GrimalJean-Bernard Millière
Apr 28, 2012·FEMS Microbiology Letters·Gabriele RiederSilja Wessler
May 17, 2006·Anaerobe·Yuli Song
Nov 29, 2015·Journal of Food Protection·J J Padilla-FraustoS M Arvizu-Medrano
Feb 2, 2006·International Journal of Systematic and Evolutionary Microbiology·Empar ChenollRosa Aznar
Sep 8, 2018·PloS One·Tiago TouretTeresa Semedo-Lemsaddek

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