A novel approach to chemotaxis: Active particles guided by internal clocks
| Autor: | Luis Gómez Nava, Fernando Peruani, Carsten Beta, Marius Hintsche, Robert Großmann |
|---|---|
| Přispěvatelé: | Laboratoire Jean Alexandre Dieudonné (JAD), Université Côte d'Azur (UCA)-Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Centre National de la Recherche Scientifique (CNRS), Institut für Physik und Astrophysik [Potsdam], Universität Potsdam |
| Rok vydání: | 2020 |
| Předmět: |
Physics
0303 health sciences Chemical substance Statistical Mechanics (cond-mat.stat-mech) Field (physics) [PHYS.PHYS.PHYS-BIO-PH]Physics [physics]/Physics [physics]/Biological Physics [physics.bio-ph] Active particles FOS: Physical sciences General Physics and Astronomy Chemotaxis 01 natural sciences 03 medical and health sciences Biological Physics (physics.bio-ph) 0103 physical sciences Phenomenological model Physics - Biological Physics [NLIN.NLIN-AO]Nonlinear Sciences [physics]/Adaptation and Self-Organizing Systems [nlin.AO] 010306 general physics Concentration gradient Biological system Condensed Matter - Statistical Mechanics 030304 developmental biology |
| Zdroj: | EPL-Europhysics Letters EPL-Europhysics Letters, European Physical Society/EDP Sciences/Società Italiana di Fisica/IOP Publishing, 2020, 130 (6), pp.68002. ⟨10.1209/0295-5075/130/68002⟩ |
| ISSN: | 1286-4854 0295-5075 |
| DOI: | 10.1209/0295-5075/130/68002 |
| Popis: | Motivated by the observation of non-exponential run-time distributions of bacterial swimmers, we propose a minimal phenomenological model for taxis of active particles whose motion is controlled by an internal clock. The ticking of the clock depends on an external concentration field, e.g. a chemical substance. We demonstrate that these particles can detect concentration gradients and respond to them by moving up- or down-gradient depending on the clock design, albeit measurements of these fields are purely local in space and instantaneous in time. Altogether, our results open a new route in the study of directional navigation, by showing that the use of a clock to control motility actions represents a generic and versatile toolbox to engineer behavioral responses to external cues, such as light, chemical, or temperature gradients. *LGN and RG contributed equally to this work. 7 pages, 5 figures and Supplemental Material |
| Databáze: | OpenAIRE |
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