Rebekah DeVinney, Ph.D.Ph.D. in Biology with a focus in Biochemistry University of California, Santa Cruz, USA
B.A. Chemistry with a focus in Biochemistry University of California, San Diego, USA
Areas of Research
ExPEc ST131 is a predominant E. coli sequence type associated with millions of multi-drug resistant infections worldwide. Little is known about the molecular basis for ExPEc ST131’s success or its environmental reservoirs. The DeVinney lab is part of a multi-national team examining ST131 transmission dynamics. Our research is focused on determining the contribution of genomic elements unique to ST131 on its fitness and virulence using in vitro and in vivo model systems. We are also examining whether household dogs can serve as an asymptomatic reservoir for ST131, and its survival within water treatment facilities.
Gastroenteritis is a common illness in companion dogs prompting veterinary visits. A variety of pathogens are associated with HGE, with the role of E. coli increasingly appreciated in dogs of all ages. Work in our lab is focused on characterizing E. coli isolates associated with HGE and determining their virulence mechanisms using genomic, cell biology and biochemical approaches.
V. parahaemolyticus is an important cause of gastroenteritis resulting from the consumption of raw or undercooked shellfish. In contrast, in the marine environment, V. parahaemolyticus asymptomatically colonizes filter feeding shellfish such as oysters and mussels. V. parahaemolyticus interacts differently with molluscan and mammalian phagocytes, and a focus of our group is to understand the molecular mechanism of these differences.
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