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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

We characterize the full spatiotemporal gait of populations of swimming Escherichia coli 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 E. coli, 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.
Original languageEnglish
Article number038302
Pages (from-to)1-7
Number of pages7
JournalPhysical Review Letters
Issue number3
Publication statusPublished - 19 Jan 2024

Keywords / Materials (for Non-textual outputs)

  • cond-mat.soft


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