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United States Department of Agriculture

Agricultural Research Service

2011 Annual Report

1a.Objectives (from AD-416)
Develop protein- and nucleic acid-based methods for detection, and characterization of food-borne pathogens. Specifically, develop antibody- and oligonucleotide-based detection microarrays for multiple pathogens; and improved real-time multiplex PCR assays.

Develop rapid and effective means to separate and concentrate targeted pathogens from food matrices that can be coupled to very rapid detection methods such as real-time PCR.

Develop molecular typing methods for pathogens of concern to associated food regulatory agencies.

Examine environmental factors and microbiological culture conditions affecting genotypes or phenotypes that are important for virulence, isolation, or detection of foodborne pathogens.

1b.Approach (from AD-416)
This project will undertake the development of technologies for the detection and characterization of foodborne bacterial pathogens of critical concern. Molecular characterization and typing methods will be generated for the most common foodborne pathogens including E. coli and Salmonella species. Analysis will center on antibody and nucleic acid microarray platforms as supported by co-development of highly effective bacterial concentration, enrichment, isolation and/or separation methods. Emerging technologies will be directed towards usage by food producers and food regulatory agencies for food safety monitoring and follow-up investigations.

3.Progress Report
This was a "Bridge" project to cover the period during which the project was going through the OSQR Review Process. Progress associated with this research is described elsewhere in reports for 1935-42000-057-00D, 1935-42000-058-00D, and 1935-42000-071-00D.

Last Modified: 7/6/2015
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