Douglas Brumley

Rheology of a concentrated suspension of spherical squirmers: monolayer in simple shear flow

T Ishikawa, DR Brumley, TJ Pedley

Journal article  |  2021  |  JOURNAL OF FLUID MECHANICS

A concentrated, vertical monolayer of identical spherical squirmers, which may be bottom heavy, and which are subjected to a linea..

Cutting Through the Noise: Bacterial Chemotaxis in Marine Microenvironments

Douglas R Brumley, Francesco Carrara, Andrew M Hein, George Hagstrom, Simon A Levin, Roman Stocker

Journal article  |  2020  |  FRONTIERS IN MARINE SCIENCE

The ability of marine microbes to navigate toward chemical hotspots can determine their nutrient uptake and has the potential to a..

Generating Controlled, Dynamic Chemical Landscapes to Study Microbial Behavior

Francesco Carrara, Douglas R Brumley, Andrew M Hein, Yutaka Yawata, M Mehdi Salek, Kang Soo Lee, Elzbieta Sliwerska, Simon A Levin, Roman Stocker

Journal article  |  2020  |  JOVE-JOURNAL OF VISUALIZED EXPERIMENTS

We demonstrate a method for the generation of controlled, dynamic chemical pulses-where localized chemoattractant becomes suddenly..

Bacteria push the limits of chemotactic precision to navigate dynamic chemical gradients

Douglas R Brumley, Francesco Carrara, Andrew M Hein, Yutaka Yawata, Simon A Levin, Roman Stocker

Journal article  |  2019  |  PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Ephemeral aggregations of bacteria are ubiquitous in the environment, where they serve as hotbeds of metabolic activity, nutrient ..

Stability of arrays of bottom-heavy spherical squirmers

DR Brumley, TJ Pedley

Journal article  |  2019  |  PHYSICAL REVIEW FLUIDS

The incessant swimming motion of microbes in dense suspensions can give rise to striking collective motions and coherent structure..

Transitions in synchronization states of model cilia through basal-connection coupling

Yujie Liu, Rory Claydon, Marco Polin, Douglas R Brumley

Journal article  |  2018  |  JOURNAL OF THE ROYAL SOCIETY INTERFACE

Despite evidence for a hydrodynamic origin of flagellar synchronization between different eukaryotic cells, recent experiments hav..

Bacteria push the limits of sensory precision to navigate dynamic seascapes

DR Brumley, F Carrara, AM Hein, Y Yawata, SA Levin, R Stocke

Conference Proceedings  |  2018  |  IUTAM Symposium on Motile Cells in Complex Environments, MCCE 2018

High-avidity IgA protects the intestine by enchaining growing bacteria

Kathrin Moor, Mederic Diard, Mikael E Sellin, Boas Felmy, Sandra Y Wotzka, Albulena Toska, Erik Bakkeren, Markus Arnoldini, Florence Bansept, Alma Dal Co, Tom Voller, Andrea Minola, Blanca Fernandez-Rodriguez, Gloria Agatic, Sonia Barbieri, Luca Piccoli, Costanza Casiraghi, Davide Corti, Antonio Lanzavecchia, Roland R Regoes, et al.

Journal article  |  2017  |  NATURE

Vaccine-induced high-avidity IgA can protect against bacterial enteropathogens by directly neutralizing virulence factors or by po..

Long-range interactions, wobbles, and phase defects in chains of model cilia

Douglas R Brumley, Nicolas Bruot, Jurij Kotar, Raymond E Goldstein, Pietro Cicuta, Marco Polin

Journal article  |  2016  |  PHYSICAL REVIEW FLUIDS

Eukaryotic cilia and flagella are chemo-mechanical oscillators capable of generating long-range coordinated motions known as metac..

Natural search algorithms as a bridge between organisms, evolution, and ecology

Andrew M Hein, Francesco Carrara, Douglas R Brumley, Roman Stocker, Simon A Levin

Journal article  |  2016  |  PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

The ability to navigate is a hallmark of living systems, from single cells to higher animals. Searching for targets, such as food ..