期刊
PHYSICAL REVIEW LETTERS
卷 114, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.114.018105
关键词
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资金
- NSF Center for Theoretical Biological Physics Rice University [PHY-1427654, NSF-MCB-1214457]
- Tauber Family Funds
- Maguy-Glass Chair in Physics of Complex Systems at Tel Aviv University
- EU/FP7 Marie-Curie IRG grant
- EU/FP7 REA grant [321777]
- Israel Science Foundation [337/12]
- Roy J. Zuckerberg Career Development Chair for Water Research
- Division Of Physics
- Direct For Mathematical & Physical Scien [1308264] Funding Source: National Science Foundation
Under sublethal antibiotics concentrations, the statistics of collectively swarming Bacillus subtilis transitions from normal to anomalous, with a heavy-tailed speed distribution and a two-step temporal correlation of velocities. The transition is due to changes in the properties of the bacterial motion and the formation of a motility-defective subpopulation that self-segregates into regions. As a result, both the colonial expansion and the growth rate are not affected by antibiotics. This phenomenon suggests a new strategy bacteria employ to fight antibiotic stress.
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