PhD Comprehensive Seminar | Brittany Howell, The physiological origin of the antagonism between DNA-synthesis- and protein-synthesis-targeting antibioticsExport this event to calendar

Tuesday, July 19, 2022 10:00 AM EDT

MC 5479
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Candidate

Brittany Howell | Applied Mathematics, University of Waterloo

Title

The physiological origin of the antagonism between DNA-synthesis- and protein-synthesis-targeting antibiotics

Abstract

Bacteria must constantly adapt their growth to changes in their environment, whether that be nutrient availability or antibiotic administration. These changes strongly influence the efficacy of antibiotics, yet the connection between antibiotic susceptibility and physiology remains uncertain. One of the more puzzling aspects of antibiotic efficacy is the strong antagonism between protein-synthesis and DNA-synthesis inhibitors: when these two classes are added together, the growth rate increases almost to the drug-free level. Our main objective here is to build a mathematical model in agreement with presented literature and experimental data. We are hopeful that combining these two elements, we will better understand the intrinsic coupling among protein synthesis, DNA synthesis and growth rate in bacteria.

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