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Spatiotemporal Self-Organization of Fluctuating Bacterial Colonies
2017
Physical Review Letters
We model an enclosed system of bacteria, whose motility-induced phase separation is coupled to slow population dynamics. Without noise, the system shows both static phase separation and a limit cycle, in which a rising global population causes a dense bacterial colony to form, which then declines by local cell death, before dispersing to re-initiate the cycle. Adding fluctuations, we find that static colonies are now metastable, moving between spatial locations via rare and strongly
doi:10.1103/physrevlett.119.188003
pmid:29219541
fatcat:rg4grsj7qffthk6e3hshdlygke