| Zugriffsnummer | 27285 |
| Dokumenttyp | Zeitschriftenartikel |
| Peer Review | unbekannt |
| Sprache | Englisch |
| Titel | Collective motion and nonequilibrium cluster formation in colonies of gliding bacteria |
| Autor(in); Institution |
Peruani, Fernando; Université de Nice Sophia-Antipolis, Lab.J.'A. Dieudonné, Nice, FRANCE
Starruß, Jörn; TU Dresden, Center for Information Services and High Performance Computing, Dresden, GERMANY
Jakovljevic, Vladimir; MPI for Terrestrial Microbiology, Marburg, GERMANY
Sogaard-Andersen, Lotte; MPI for Terrestrial Microbiology, Marburg, GERMANY
Deutsch, Andreas; TU Dresden, Center for Information Services and High Performance Computing, Dresden, GERMANY
Bär, Markus; 8.4, Mathematische Modellierung und Datenanalyse, PTB-Berlin
|
| Quelle/Jahr | Physical Review Letters: 108 (2012), 9, 098102-1 - 098102-5 |
| ISSN | 0031-9007 (PRINT) ; 1079-7114 (ONLINE) |
| DOI | |
| Verlag | Ridge, NY: American Physical Society |
| Klassifikationscode | PACS: 87.18.Gh ; PACS: 05.65.+b ; PACS: 87.18.Hf |
| Freie Schlagworte | collective motion ; clustering ; bacterial selforganisation |
| Zusammenfassung | We characterize cell motion in experiments and show that the transition to collective motion in colonies of gliding bacterial cells confined to a monolayer appears through the organization of cells into larger moving clusters. Collective motion by nonequilibrium cluster formation is detected for a critical cell packing fraction around 17%. This transition is characterized by a scale-free power-law cluster-size distribution, with an exponent 0:88 ± 0:07, and the appearance of giant number fluctuations. Our findings are in quantitative agreement with simulations of self-propelled rods. This suggests that the interplay of self-propulsion and the rod shape of bacteria is sufficient to induce collective motion. |
Zitierung
Peruani, F., Starruß, J., Jakovljevic, V., Sogaard-Andersen, L., Deutsch, A., & Bär, M. (2012). Collective motion and nonequilibrium cluster formation in colonies of gliding bacteria. Physical Review Letters, 108(9), 098102-1–098102-5. https://doi.org/10.1103/physrevlett.108.098102