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T06 Pathogens and Antimicrobials (Listeria) Technical Session Glen 206 8:30 a.m. T6-01 Effect of Temperature and Storage Time on the Fate of Listeria monocytogenes on Inoculated Salami— Catherine A. Simpson, Ifigenia Geornaras, and John N. Sofos, Colorado State University, Fort Collins, CO, USA 8:45 a.m. T6-02 Effects of Low Equal Molar Concentrations of Three Food Grade Acids on Listeria monocytogenes in Bologna— Gianna DuŔan and John N. Sofos, Colorado State University, Fort Collins, CO, USA 9:00 a.m. T6-03 Modeling to Predict the Growth/No Growth and Selected Growth Limit Boundaries of Listeria monocytogenes in Ready-to-Eat Products as a Function of Lactic Acid Concentration, Dipping Time, and Storage Temperature— Yohan Yoon, Patricia A. Kendall, Keith E. Belk, John A. Scanga, Gary C. Smith, and John N. Sofos, Colorado State University, Fort Collins, CO, USA 9:15 a.m. T6-04 Control of Listeria monocytogenes on Frankfurters Formulated without Lactate by Dipping in Sodium Lactate Before and after Inoculation— Buffy A. Stohs, Beth Ann Crozier-Dodson, and Daniel Y.C. Fung, Kansas State University, Manhattan, KS, USA 9:30 a.m. T6-05 Effects and Interactions of Sodium Lactate, Sodium Diacetate, and Pediocin on the Thermal Inactivation of Starved Cells of Listeria monocytogenes on the Surface of Bologna— Camelia Grosulescu, Vijay K.Juneja, and Sadhana Ravishankar, Illinois Institute of Technology, Chicago, IL, USA 9:45 a.m. T6-06 Use of Octanoic Acid as a Post-lethality Treatment to Reduce Listeria monocytogenes on Ready-to-Eat Meat and Poultry Products— Scott L. Burnett, Jocelyn H. Chopskie, Teresa C. Podtburg, and Timothy A. Gutzmann, Ecolab, Inc., Eagan, MN, USA 10:00 a.m. Break 10:30 a.m. T6-07 Impact of Nitrite on Detection of Listeria monocytogenes in Selected Ready-to-Eat (RTE) Meat and Seafood Products— David Nyachuba and Catherine Donnelly, The University of Vermont, Burlington, VT, USA 10:45 a.m. T6-08 Interaction of Pseudomonas putida and Listeria monocytogenes in Mixed Culture Biofilms— Greg Kepka and Heidi Schraft, Lakehead University, Thunder Bay, ON, Canada 11:00 a.m. T6-09 CtsR and Its Interaction with Sigma B are Required for Heat Tolerance, Motility, and Host Cell Invasion in Listeria monocytogenes — Yuewei Hu, Ute Schwab, Martin Wiedmann, and Kathryn J. Boor, Cornell University, Ithaca, NY, USA 11:15 a.m. T6-10 A Method to Detect Significant Clusters in Phylogenies Shows That Listeria monocytogenes Contains Clonal Groups with Distinct Ecological Preferences— Kendra K. Nightingale, Katy Lyles, Rasmus Nielsen, and Martin Wiedmann, Cornell University, Stocking Hall, Ithaca, NY, USA 11:30 a.m. T6-11 Sesitivity and Inclusivity of a Listeria Genus PCR Detection Assay Using a Novel Bacteriophage Derived Cell Binding Domain (CBD) and Phage Endolysin Lysis— Daniel R. DeMarco, Frederick Cooling, Keith Wing, and Stephen Varkey, DuPont Qualicon, Wilmington, DE, USA |