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Hanna Salman


Speaker: Hanna Salman
Title: Bacterial Migration in Non-Homogeneous Environments
Affiliation: University of Pittsburgh
Date: Friday, April 13, 2012
Place and Time: Room 101, Love Building, 3:35-4:30 pm
Refreshments: Room 204, Love Building, 3:00 pm

Abstract. It has been long established that bacteria are able to sense and respond to temperature gradients. However, their response depends on several environmental variables such as chemical environment, the steepness of the gradient, as well as the physiological state of the cell. In this talk, I will focus on the behavior of bacteria in a shallow temperature gradient with steepness below the sensing ability of the cell. Our recent results show that even in such environment E. coli bacteria do thermotax and the direction of their migration is still dependent on the chemical environment. I will disccuss how that is done and the environmental and cellular factors that influence the bacterial termotaxis direction.