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Research Abstracts Online
January 2010 - March 2011

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University of Minnesota Twin Cities
College of Veterinary Medicine
Department of Veterinary Biomedical Sciences

PI: Randall Singer

Comparative Plasmid Genomics for Assessing Public Health Risks

The focus of this group’s research program has been to assess the factors that influence horizontal gene transfer of antibiotic resistance and virulence genes among bacteria of varying relatedness. In this context, the pressures influencing the movement and stability of genes represent an ecosystem-based problem, being influenced by agricultural practices, hydrology, land-use, socioeconomics, and other biotic and abiotic factors. Many of these factors are affected by anthropogenic changes to the environment.

This project involves a detailed look at the role of plasmids in the movement of genes among bacteria in the natural ecosystem. They are addressing the hypothesis that environmental factors are capable of influencing the evolution of bacterial plasmids, and that this evolution can have significant human and animal health impacts.

Group Members

Janet M. Anderson, Staff
Timothy Boyer, Graduate Student
Claudia L. Fernandez Alarcon, Graduate Student
Cristian D. Flores, Staff
Kevin Lang, Research Associate