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Article

Collective motion of surfactant-producing bacteria imparts superdiffusivity to their upper surface.

Biophysical journal - 7 Sept 2011

Be'er Avraham, Harshey Rasika M

Abstract excerpt

Swarming bacteria move on agar surfaces in groups, using flagella as motive organelles. Motility depends critically on surface wetness, which is enabled by osmotic agents and surfactants secreted by the bacteria. In a recent study, the upper surface of an Escherichia coli swarm was found to be stationary, as determined from the motion of MgO particles deposited on the swarm. This led to the remarkable conclusion...

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Identifiers

PMID: 21889437
DOI: 10.1016/j.bpj.2011.07.019
PMCID: PMC3164129

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