Host-Pathogen Interaction

Yousef Abu-Kwaik, Ph.D., Department of Microbiology and Immunology
Dr. Abu-Kwaik’s research area is focused on Cellular Microbiology, which is the interface of Cell Biology and Pathogenic Microbiology. The research studies involve mechanisms of exploitation of the host cell biology by the two intracellular bacterial pathogens, Legionella and Francisella, and this microbial exploitation is essential for the pathogens to cause disease.

Donghoon Chung, Ph.D., Department of Microbiology and Immunology
Dr. Chung's lab discovers small molecules that can probe the biology of viruses. Our primary interests focus on positive strand RNA viruses as they include many medically important pathogens such as alphaviruses, dengue viruses, West Nile virus, HCV and SARS-CoV. Understanding of the biology of the viruses would provide us insight into the control of the diseases. Dr. Chung's lab is also interested in pursuing the development of these molecules into therapeutics for alphaviral diseases.

Colleen Jonsson, Ph.D., University of Tennessee, Health Science Center
Dr. Jonsson's basic and translational research program spans over 30 years in the study of highly pathogenic RNA viruses, including investigations of hantaviruses, influenza viruses, SARS CoV and retroviruses. Her research has addressed basic questions of the viral life cycle and of the ecology and evolution of virus-host relationships. Her research has also focused on the discovery of antivirals against hantavirus, influenza, SARS-COV, Venezuelan equine encephalitis, dengue, respiratory syncytial and West Nile viruses.

Michael Hughes, M.D., Department of Surgery
Dr. Hughes specializes in liver, pancreas, kidney transplantation, and hepatobiliary surgery. Dr. Hughes also conducts research studying the complications arising from the presence of  hepatitis C virus during liver transplantation as well as the development of implantable pancreatic islet cell delivery systems.

Mathew B. Lawrenz, Ph.D., Department of Microbiology and Immunology
The genus Yersinia contains three pathogenic species that cause human infection. Two of these species, Y. enterocolitica and Y. pseudotuberculosis, are transmitted by contaminated food or water to cause yersiniosis. Y. pestis is responsible for a significantly more deadly disease known as the plague. Y. pestis has recently evolved from Y. pseudotuberculosis to be transmitted to mammalian hosts by an insect vector (the flea). Y. pestis can also be transmitted from person to person by aerosols. Because of the ability for Y. pestis to infect people through aerosols, the lack of an effective vaccine, and the history of development of Y. pestis as a potential bioweapon, Y. pestis is classified by the federal government as a Select Agent. Dr. Lawrenz's lab focuses on two major research topics: 1) Understanding the ability of Y pestis to survive in macrophages and 2) Developing adjuvants to improve plague vaccines.

Igor Lukashevich, M.D., Ph.D., Department of Pharmacology and Toxicology
Dr. Lukashevich's lab conducts research center around two primary areas: 1) Novel vaccine technologies (virus-like-particle vectors; reassortant vaccines, infectious DNA vaccination) and 2) Molecular biology and pathogenesis of viral hemorrhagic fevers.

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