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Multicellular self-organization of P. aeruginosa due to interactions with secreted trails

Abstract:
Guided movement in response to slowly diffusing polymeric trails provides a unique mechanism for self-organization of some microorganisms. To elucidate how this signaling route leads to microcolony formation, we experimentally probe the trajectory and orientation of Pseudomonas aeruginosa that propel themselves on a surface using type IV pili motility appendages, which preferentially attach to deposited exopolysaccharides. We construct a stochastic model by analyzing single-bacterium trajectories, and show that the resulting theoretical prediction for the many-body behavior of the bacteria is in quantitative agreement with our experimental characterization of how cells explore the surface via a power law strategy.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevLett.117.178102

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author


Publisher:
American Physical Society
Journal:
Physical Review Letters More from this journal
Publication date:
2016-10-20
Acceptance date:
2016-09-19
DOI:
EISSN:
1079-7114
ISSN:
0031-9007


Pubs id:
pubs:644308
UUID:
uuid:82744748-4f3a-4028-9796-332047924355
Local pid:
pubs:644308
Source identifiers:
644308
Deposit date:
2016-09-19

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