Dr. Martha S. Johnson is a Postdoctoral Research Associate in the Department of Biochemistry and Biophysics at the University of North Carolina at Chapel Hill School of Medicine, working under the direction of Dr. Jean Cook and co-mentored by Dr. Scott Magness. Her work in the Cook Lab focuses on understanding how the cell cycle is regulated, with a particular emphasis on the molecular mechanisms governing cell cycle exit and quiescence. Using live-cell imaging and biosensor-based approaches, she integrates bioanalytical chemistry, quantitative imaging, and molecular and cell biology to study how epithelial cells dynamically balance proliferation and arrest to maintain tissue homeostasis.<\/p>\n
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