Accession Number:

AD1052425

Title:

Multi-Fractal Characterization of Bacterial Swimming Dynamics: A Case Study on Real and Simulated Serratia marcescens

Descriptive Note:

Journal Article - Open Access

Corporate Author:

UNIVERSITY OF SOUTHERN CALIFORNIA LOS ANGELES LOS ANGELES United States

Report Date:

2017-06-15

Pagination or Media Count:

19.0

Abstract:

To add to the current state of knowledge about bacterial swimming dynamics, in this paper, we study the fractal swimming dynamics of populations of Serratia marcescens bacteria both in vitro and in silico, while accounting for realistic conditions like volume exclusion, chemical interactions, obstacles and distribution of chemoattractant in the environment. While previous research has shown that bacterial motion is non-ergodic, we demonstrate that, besides the non-ergodicity, the bacterial swimming dynamics is multi-fractal in nature. Finally, we demonstrate that the multi-fractal characteristic of bacterial dynamics is strongly affected by bacterial density and chemoattractant concentration.

Subject Categories:

  • Microbiology
  • Operations Research
  • Numerical Mathematics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE