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RESEARCH PROGRAMS
  Escherichia coli O157:H7

2007 projects (pdf file containing summaries)

Surface-sterilization Methods for Escherichia coli O157:H7 on Lettuce (Lactuca sativa L.)
(G. Zhang, L. Ma, L.R. Beuchat, M.C. Erickson, V.H. Phelan, and M.P. Doyle)

Silver Nanorod Array as a SERS substrate for Foodborne Pathogenic Bacteria Detection
(H.-Y. Chu , Y.W. Huang, and Y.-P. Zhao)

Enumeration of E. coli O157:H7 in Spinach Outbreak Samples
(L. Ma, G. Zhang, P. Garner-Schmidt, and M. P. Doyle)

Isolation and Enumeration of E. coli O157:H7 from Possible Contaminated Ground Beef Samples
(L. Ma, G. Zhang, P. Gerner-Smidt, and M. P. Doyle)

Attachment and Recovery of Escherichia coli O157:H7 and a Non-Pathogenic Surrogate
from Romaine Lettuce after Contact with Contaminated Ice
(J. Kim and M. Harrison)

Contamination and Potential Internalization of Escherichia coli O157:H7 in Pre-harvest Iceberg Lettuce (Lactuca sativa L.)
(G. Zhang, L. Ma, L.R. Beuchat, M.C. Erickson, V.H. Phelan, and M.P. Doyle)

2006 projects (pdf file containing summaries)

Inactivation of Zoonotic Pathogens during Static Composting of Chicken Litter and Peanut Hulls
(M.C. Erickson, C. Smith, J. Liao, G.E. Boyhan, M.P. Doyle, L. Ma, and X. Jiang)

Inactivation of Escherichia coli O157:H7 and Listeria monocytogenes in Cow Manure Composting Systems
(M.C. Erickson, J. Liao, L. Ma, M.P. Doyle, and X. Jiang)

Cryotolerance, Attachment, and Recoverability of Escherichia coli O157:H7 and Selected Surrogates from Romaine Lettuce Leaf Surfaces
(M.A. Harrison)

Silver Nanorod Array as a SERS Substrate for Escherichia coli O157:H7 Detection
(H.Y. Chu, Y. Liu, Y. Huang, and Y. Zhao)

2005 projects (pdf file containing summaries)

Death of Salmonella, Escherichia coli O157:H7, and Listeria monocytogenes in Shelf-stable, Dairy-based, Pourable Salad Dressings
(L. R. Beuchat, J.-H. Ryu, B. B. Adler, and M. D. Harrison)

Development of Rapid Detection Technique for Pathogens using Nanorod-based Sensor
(Y. W. Huang, Y. Zhao, and W. Kisaalita)

Evaluation of Gaseous Chlorine Dioxide as a Sanitizer for Killing Salmonella, Escherichia coli O157:H7, Listeria monocytogenes, and Yeasts and Molds on Fresh and Fresh-cut Produce 
K. V. Sy, M. B. Murray, M. D. Harrison, and L. R. Beuchat)

Thermal Tolerance of Acid-adapted and Unadapted Salmonella, Escherichia coli O157:H7, and Listeria monocytogenes in Cantaloupe Juice and  Watermelon Juice
(M. Sharma, B. B. Adler, M. D. Harrison, and L. R. Beuchat)

2004 projects (pdf file containing summaries)

Inactivation of Escherichia coli O157:H7 in Biofilm on Stainless Steel by Treatment with an Alkaline Cleaner and a Bacteriophage  
(M. Sharma, J.-H. Ryu, and L.R. Beuchat)

Survival and Growth of Escherichia coli O157:H7 in Roast Beef and Salami After Exposure to an Alkaline Cleaner 
(M. Sharma, G. M. Richards, and L. R. Beuchat)

Treatments for control of enterohemorrhagic Escherichia coli in drinking water contaminated with rumen content or feces 
(P. Zhao, M. P. Doyle, T. Zhao, J. W. West, J. Bernard, and H. Cross)

Attachment and Biofilm Formation by Escherichia coli O157:H7 on Stainless Steel as Influenced by Exopolysaccharide Production, Nutrient Availability, and Temperature  
(J.-H. Ryu, H. Kim, and L. R. Beuchat)

Biofilm Formation by Escherichia coli O157:H7 on Stainless Steel and Its Resistance to Chlorine as Affected by Exopolysaccharide and Curli Production 
(J.-H. Ryu and L. R. Beuchat)

Persistence of Escherichia coli O157:H7, Salmonella Newport, and Salmonella Poona in the Gut of a Free-living Nematode, Caenorhabditis elegans, and Transmission to Progeny and Uninfected Nematodes 
(S. J. Kenney, G. L. Anderson, P. L. Williams, P. D. Millner, and L. R. Beuchat)

2003 projects (pdf file containing summaries)

Survival and Control of E. coli O157:H7 in Drinking Water for Cattle 
(P. Zhao, M. P. Doyle, and T. Zhao)

Radio-frequency Heating of Alfalfa Seed for Reducing Human Pathogens 
(S. O. Nelson, C.-Y. Lu, L. R. Beuchat, and M. A. Harrison)

Fate of Escherichia coli O157:H7, Listeria monocytogenes, and Salmonella spp. in Reduced Sodium Home-style Beef Jerky
(M. A. Harrison)

Viability of Acid-adapted Escherichia coli O157:H7 in Ground Beef Treated with Acidic Calcium Sulfate 
(L. R. Beuchat and A. J. Scouten)

Sensitivity of Escherichia coli O157:H7 to Commercial Alkaline Cleaners and Subsequent Resistance to Heat and Sanitizers
(M. Sharma and L. R. Beuchat)

Interaction of a Free-living Soil Nematode, Canenorhabditis elegans, with Surrogates of Foodborne Pathogenic Bacteria 
(G. L. Anderson, K. N. Caldwell, L. R. Beuchat, and P. L. Williams)

Attachment of Escherichia coli O157:H7 Grown in Tryptic Soy Broth and Nutrient Broth to Apple and Lettuce as Related to Cell Hydrophobicity, Surface Charge, and Capsule Production
(A. N. Hassan and J. F. Frank)

Ethanol-mediated Variations in Cellular Fatty Acid Composition and Protein Profiles of Two Genotypically Different Strains of Escherichia coli O157:H7 
(R. Y.-Y. Chiou, R. D. Phillips, P. Zhao, M. P. Doyle, and L. R. Beuchat)

Factors Affecting Production of Extracellular Carbohydrate Complexes By Escherichia coli O157:H7 
(J.-H. Ryu and L. R. Beuchat)

Evaluation of Inoculation Method and Inoculum Drying Time for Their Effects on Survival and Efficiency of Recovery of Escherichia coli O157:H7, Salmonella, and Listeria monocytogenes Inoculated on the Surface of Tomatoes
(M. M. Lang, L. J. Harris, and L. R. Beuchat)

Survival and Recovery of Escherichia coli O157:H7, Salmonella, and Listeria monocytogenes on Lettuce and Parsley as Affected by Method of Inoculation, Time Between Inoculation and Analysis, and Treatment with Chlorinated Water 
(M. M. Lang, L. J. Harris, and L. R. Beuchat)

Development of a Method to Quantify Extracellular Carbohydrate Complexes Produced by Escherichia coli O157:H7 
(J.-H. Ryu and L. R. Beuchat)