Gastrointestinal

Researchers

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David R. Brown

Investigating the mechanisms by which neuroimmune signaling processes influence the interactions of microorganisms with mucosal epithelial cells located on internal body surfaces susceptible to infection.

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James E. Collins

Anatomic pathology as it relates to infectious diseases, agriculture, public health and biomedical research.

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Maxim Cheeran

Our research lab is focused on understanding the role of host responses in the pathogenesis of viral infections, with a substantial effort devoted to investigating the impact of neuroinflammation on CNS viral disease and in promoting recovery from brain damage. We use a mouse model of herpes encephalitis to study the impact of specific immune components of the virus-induced inflammation cascade on neurogenesis in the adult brain. We also investigate immune responses to viral infections in farm animals, most notably swine. Using these animal models, we study mechanisms of disease and emergence of novel viruses like swine influenza virus and porcine epidemic diarrhea virus (PEDv).

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Connie Gebhart

Main focus is diagnostic bacteriology and development/evaluation of diagnostic tests. Research involves enteric diseases of animals caused by bacteria, especially Lawsonia, Brachyspira, and Campylobacter species.

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Sagar Goyal

Dr. Goyal's research interests include diagnosis, pathogenesis and control of viral infections in livestock and poultry and the development of methods for the detection and prevention of human and animal viruses in food, water and environment.

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Richard Isaacson

My laboratory is studying the molecular basis of pathogenesis of two pathogens: Escherichia coli and Salmonella enterica serovar Typhimurium. A common theme in each project is the identification of unique genes required for pathogenesis, understanding the functions of those genes, and determining the mechanisms controlling their expression.

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Tim Johnson

I have two primary research areas: 1) understanding the mechanisms of plasmid dissemination associated with antibiotic resistance in bacterial pathogens; and 2) understanding the succession of the microbial communities in the animal gastrointestinal tract related to health and development. I work primarily with multidrug resistance-encoding plasmids of E. coli and Salmonella humans and production animals. The goal of this work is to understand the spread of these plasmids within and between human and animal bacterial populations. I also work closely with the poultry industries to study the bacterial populations inhabiting the gastrointestinal tracts of turkeys and chickens. The goal of this work is to understand the succession of bacterial communities over time, and how the modulation of these communities can be achieved using non-antibiotic alternatives.

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K.V. Nagaraja

Clostridial infections, Salmonella.

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Randall Singer

I seek to identify cost-effective and efficacious interventions for reducing foodborne pathogen contamination of meat and for minimizing the development and spread of antibiotic resistance in bacteria.

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Bert Stromberg

Epidemiology of ruminant parasites.

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Srinand Sreevatsan

I am interested in ecology, evolution, and epidemiology of infectious agents. My group uses a combination of epidemiological, evolutionary, and molecular tools to address - pathogen-host interactions, population genetic structure of microbes, and investigations on molecular mechanisms host adaptation, enhanced transmissibility and virulence.

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Lucy Vulchanova

My primary area of research is pain mechanisms. We also have ongoing projects on neuro-immune interactions in skin and intestinal mucosa.

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Andre F. Ziegler

Current focus is applied research of production poultry diseases.

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  • Last modified on January 31, 2014