Characterization and Control of the Run-and-Tumble Dynamics of Escherichia Coli
Christina Kurzthaler, Yongfeng Zhao, Nan Zhou, Jana Schwarz-Linek, Clemence Devailly, Jochen Arlt, Jian-Dong Huang, Wilson C. K. Poon, Thomas Franosch, Julien Tailleur, Vincent A. Martinez
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Source: Crossref
Published: Jan 19, 2024
DOI: 10.1103/physrevlett.132.038302
Open original source ↗Source abstract
We characterize the full spatiotemporal gait of populations of swimming using renewal processes to analyze the measurements of intermediate scattering functions. This allows us to demonstrate quantitatively how the persistence length of an engineered strain can be controlled by a chemical inducer and to report a controlled transition from perpetual tumbling to smooth swimming. For wild-type , we measure simultaneously the microscopic motility parameters and the large-scale effective diffusivity, hence quantitatively bridging for the first time small-scale directed swimming and macroscopic diffusion. Published by the American Physical Society 2024
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