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Flagella bending affects macroscopic properties of bacterial suspensions

Journal Article · · Interface
To survive in harsh conditions, motile bacteria swim in complex environments and respond to the surrounding flow. Here, we develop a mathematical model describing how flagella bending affects macroscopic properties of bacterial suspensions. First, we show how the flagella bending contributes to the decrease in the effective viscosity observed in dilute suspension. Our results do not impose tumbling (random reorientation) as was previously done to explain the viscosity reduction. Second, we demonstrate how a bacterium escapes from wall entrapment due to the self-induced buckling of flagella. Our results shed light on the role of flexible bacterial flagella in interactions of bacteria with shear flow and walls or obstacles.
Research Organization:
Argonne National Laboratory (ANL)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
DOE Contract Number:
AC02-06CH11357
OSTI ID:
1366714
Journal Information:
Interface, Journal Name: Interface Journal Issue: 130 Vol. 14; ISSN 1742-5689
Publisher:
The Royal Society
Country of Publication:
United States
Language:
English

References (48)

Escherichia coli swim on the right-hand side journal June 2005
Bacterial rheotaxis journal March 2012
The role of hydrodynamic interaction in the locomotion of microorganisms journal August 1993
Non-Newtonian Viscosity of Escherichia coli Suspensions journal June 2013
Zipping and entanglement in flagellar bundle of E. coli : Role of motile cell body journal November 2015
Effective viscosity of dilute bacterial suspensions: a two-dimensional model journal November 2008
Living liquid crystals journal January 2014
Self-Concentration and Large-Scale Coherence in Bacterial Dynamics journal August 2004
Hydrodynamic Attraction of Swimming Microorganisms by Surfaces journal July 2008
Bacteria can exploit a flagellar buckling instability to change direction journal July 2013
Rapid expulsion of microswimmers by a vortical flow journal March 2016
Eine neue Bestimmung der Moleküldimensionen journal January 1906
Marine Microbes See a Sea of Gradients journal November 2012
Three-dimensional model for the effective viscosity of bacterial suspensions journal October 2009
Nonlinear Dynamics of a Microswimmer in Poiseuille Flow journal May 2012
Rheological and structural properties of dilute active filament solutions journal January 2008
Active chiral fluids journal September 2012
Turning Bacteria Suspensions into Superfluids journal July 2015
Enhanced mixing and spatial instability in concentrated bacterial suspensions journal September 2009
Bacterial transport suppressed by fluid shear journal February 2014
Extensional rheology of active suspensions journal May 2010
On the dynamics of magnetically driven elastic filaments journal April 2006
Chemotaxis of bacteria in glass capillary arrays. Escherichia coli, motility, microchannel plate, and light scattering journal October 1990
Effects of confinement, surface-induced orientations and strain on dynamical behaviors of bacteria in thin liquid crystalline films journal January 2015
Physical Properties of Collective Motion in Suspensions of Bacteria journal December 2012
The stress system in a suspension of force-free particles journal April 1970
Particle Diffusion in a Quasi-Two-Dimensional Bacterial Bath journal March 2000
Meso-scale turbulence in living fluids journal August 2012
Swimming bacteria power microscopic gears journal December 2009
Reduction of Viscosity in Suspension of Swimming Bacteria journal September 2009
Swarming bacteria migrate by Lévy Walk journal September 2015
Stirring by swimmers in confined microenvironments journal April 2014
Reversible and Irreversible Adhesion of Motile Escherichia coli Cells Analyzed by Total Internal Reflection Aqueous Fluorescence Microscopy journal June 2002
Viscosity of bacterial suspensions: Hydrodynamic interactions and self-induced noise journal May 2011
Flexibility of bacterial flagella in external shear results in complex swimming trajectories journal January 2015
Rotation-Induced Polymorphic Transitions in Bacterial Flagella journal April 2013
The effects of flagellar hook compliance on motility of monotrichous bacteria: A modeling study journal June 2012
The Motion of Ellipsoidal Particles Immersed in a Viscous Fluid journal November 1922
Fluid dynamics and noise in bacterial cell-cell and cell-surface scattering journal June 2011
Motor-driven bacterial flagella and buckling instabilities journal February 2012
Effect of Viscosity on Swimming Velocity of Bacteria journal August 1974
Transport Powered by Bacterial Turbulence journal April 2014
Dynamic states of swimming bacteria in a nematic liquid crystal cell with homeotropic alignment journal May 2017
The Visco‐Elastic Properties of Solutions of Rod‐Like Macromolecules journal March 1951
Three-dimensional tracking of motile bacteria near a solid planar surface. journal June 1995
Concentration Dependence of the Collective Dynamics of Swimming Bacteria journal April 2007
Position control of desiccation cracks by memory effect and Faraday waves journal January 2013
Bacterial ratchet motors journal May 2010

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