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Noise and synchronization in pairs of beating Eukaryotic Flagella
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Goldstein, Raymond, Polin, Marco and Tuval, Idan (2009) Noise and synchronization in pairs of beating Eukaryotic Flagella. Physical Review Letters, Volume 103 (Number 16). Article number 168103 . doi:10.1103/PhysRevLett.103.168103
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.103.168103
Abstract
It has long been conjectured that hydrodynamic interactions between beating eukaryotic flagella underlie their ubiquitous forms of synchronization; yet there has been no experimental test of this connection. The biflagellate alga Chlamydomonas is a simple model for such studies, as its two flagella are representative of those most commonly found in eukaryotes. Using micromanipulation and high-speed imaging, we show that the flagella of a C. reinhardtii cell present periods of synchronization interrupted by phase slips. The dynamics of slips and the statistics of phase-locked intervals are consistent with a low-dimensional stochastic model of hydrodynamically coupled oscillators, with a noise amplitude set by the intrinsic fluctuations of single flagellar beats.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science > Physics | ||||||
| Journal or Publication Title: | Physical Review Letters | ||||||
| Publisher: | American Physical Society | ||||||
| ISSN: | 0031-9007 | ||||||
| Official Date: | 16 October 2009 | ||||||
| Dates: |
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| Volume: | Volume 103 | ||||||
| Number: | Number 16 | ||||||
| Article Number: | Article number 168103 | ||||||
| DOI: | 10.1103/PhysRevLett.103.168103 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Restricted or Subscription Access |
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